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Aviation Manufacturing and Systems

Canonical industry reference for Aviation Manufacturing and Systems.

As of 2026-06-30Last reviewed 2026-07-31

Aviation Manufacturing and Systems

This register is the controlling source for aircraft builders, equipment manufacturers, technical standards and standard onboard allowances used in Aircraft of the Republic and Aircraft of the Syndicate. It distinguishes the organisation holding design responsibility from the factories and suppliers that manufacture the equipment. An aircraft dossier may describe an item generically after giving its catalogue identity, but the generic word does not replace the catalogue entry. Dates are dates of production or contracted supply, not merely dates on which an item remained in service.

Registry method

Every airframe block has an allowance code. The allowance resolves to a construction standard, flight and navigation fit, safety fit, habitability fit, ground-support pack and controlled-consumables schedule. Mission equipment and propulsion are added by exact model. Quantities are per aircraft unless the entry explicitly describes a squadron, balloon train or ground-control set. A quantity such as 1 set means the complete enumerated set, not an unspecified collection.

Repeated rivets, screws, cable runs, hoses, pipe lengths and fabric panels are governed by a named standard and a drawing quantity. They are not given individual serial histories. Ammunition, food, water, gases and fluids are stated at normal dispatch load; commanders and civil dispatchers may reduce or increase them within the approved loading schedule.

In this register, a prime contractor holds programme integration and contractual responsibility, a design authority controls the approved drawings and changes, and a production establishment performs a defined manufacturing or assembly task. These roles may belong to different firms. A company named as builder in an aircraft register is therefore not assumed to make its engines, landing gear, electronics, fasteners or every fuselage section.

Manufacturers and production establishments

Code Manufacturer or supplier Established and ownership Principal facilities Aviation production
BAC Blue Skies Aerostatic Company 1797; chartered concern, absorbed by Meridian in 1912 Blue Skies Balloon envelopes, baskets and hydrogen plant, 1798-1912
CIG Crown Instrument Guild 1801; imperial guild, reorganised as Crown Instruments in 1884 The Capital Barometers, compasses, lamps and aeronautical watches, 1801-1948
CTW Capital Telegraph Works 1848; chartered company, merged into Stratolink in 1971 The Capital Telegraph, spark transmitters, field telephones and early radio, 1852-1971
MAC Meridian Aircraft Company 1906 from three Kingsbury flying workshops; listed company Blue Skies and Airfield Cross Trainers, utility aircraft, light civil aircraft and instruments, 1906-present
AET Aether Aerospace and predecessor Aether Motor Works 1896; listed company with a national-security share Blue Skies and Brelminster Engines to 1957; bombers, airliners, transports and advanced combat aircraft, 1898-present
GRI Griffin Aerospace 1924; listed company Brelminster and Blue Skies Transports, business aircraft, helicopters, mission-aircraft modification and conversions, 1926-present
SKY SkyTech Aviation 1931; listed company Blue Skies, Bellmarket and Airfield Cross Tactical aircraft, regional transports and naval delivery aircraft, 1933-present
SEA SeaForge Aviation 1904 from naval workshops; listed company with a national-security share Seaward and Calderport Seaplanes, carrier aircraft, arresting-gear interfaces and maritime conversions, 1905-present
VAL Valence Aeronautics 1946; listed company Blue Skies and Highcliff Fighters, interceptors, advanced trainers and flight-control integration, 1948-present
ROT RotorWorks Maritime and Air 1947; listed company Calderport and Avermouth Rotorcraft, transmissions and folding-rotor equipment, 1948-present
HOR Horizon Air Systems 1968 from airline overhaul and freight-conversion shops; listed company Airfield Cross and Blue Skies Tankers, freighter conversions, fuel systems and large-aircraft completion, 1971-present
NST Northstar Surveillance Aircraft 1974; listed company Markhaven and Blue Skies Radar aircraft, environmental qualification and mission-aircraft integration, 1978-present
STH Stratos Titan Civil Aircraft 1971; Aether-led commercial-aircraft consortium with supplier and airline shareholdings Brelminster and Blue Skies ST-100 and ST-220 wide-body airliners, freighters and product support, 1975-present
PCA Pegasus Caelus Aircraft 1965; Griffin-controlled civil-aircraft division with outside minority investors Brelminster and Blue Skies PC-60 and PC-92 regional airliners and civil C-35 derivatives, 1968-present
NEU Neuvo Flight 1907; Meridian-controlled training-aircraft company, with a SeaForge minority holding since 1988 Airfield Cross and Seaward Elementary trainers and deck-adapted light trainers, 1908-present
AFL AeroFlux Dynamics 1956 from the separated Aether and Valence engine divisions; listed company Blue Skies and Harrowford Piston engines and civil, combat and large high-bypass turbines, 1958-present
STP SkyThrust Power Systems 1960; listed company Eastgate and Brelminster Reheated military turbofans, fan modules and fleet overhaul, 1963-present
JPT JetPulse Technologies 1963; listed company Blue Skies and Highcliff Complete strike-aircraft engines, 1965-1984; hot-section modules, test instrumentation and overhaul thereafter
VAM Venturi AeroMechanics 1969; listed company Eastgate and Bellmarket Turboprops, propeller reduction gearboxes, nacelle systems and auxiliary power units, 1977-present
NIM Nimbus AeroSystems 1964; listed company Calderport and Avermouth Turboshafts, helicopter gearboxes and salt-environment engine support, 1967-present
ORI Orion Systems 1992; AeroFlux-led joint venture with MetalMind and SecureWing Blue Skies and Harthchester Adaptive-cycle cores, exhaust systems and engine thermal management, 1998-present
APW Apex Powerplant Works 1928; employee and pension-fund-owned private company Airfield Cross and Eastgate Licensed piston-engine production, small-turbine modules and civil-engine overhaul, 1929-present
SWA SecureWing Avionics 1948; listed company with a national-security share Blue Skies, Harthchester and The Capital Flight instruments, recorders, sensors, mission computers and displays, 1949-present
OTR OmniTech Radar Solutions 1941 as the Imperial Radio Laboratory production office; corporatised 1958 Blue Skies and The Capital Airborne radar and radio-frequency modules, 1942-present
SNS SkyNet Systems 1962; listed company with a national-security share The Capital and Blue Skies Electronic warfare, uncrewed aircraft and defensive aids, 1964-present
STL Stratolink Communications 1971 from CTW and regional radio firms; listed company The Capital and Blue Skies Secure radio, datalinks and satellite terminals, 1971-present
CTH CoreTech Systems 1973; listed company Auricford and Brelminster Electro-optical equipment and medical electronics, 1975-present
QNV QuantumNav Systems 1966; listed company Scholar's Mere and Elder Lake Inertial, satellite and terrain-navigation equipment, 1968-present
SKYV Skyware Avionics 1981; privately held civil-electronics firm Harthchester and Airfield Cross Civil displays, air-data computers and automatic-flight equipment, 1983-present
AGS AeroGuard Systems 1987; mutual-insurer and employee-owned company Dunford and Harthchester Traffic alert, terrain warning and civil safety processors, 1989-present
NOL NightOwl Optics 1978 university laboratory spin-out; listed company Elder Lake and Blue Skies Cooled detectors, infrared windows and electro-optical sensor modules, 1980-present
EPS ElectroPulse Power Systems 1959; listed industrial-electrical company Eastgate and Southwell Aircraft generators, power conversion, distribution units and starter-generators, 1961-present
VTC Vortex Turbine Controls 1972; private engineering company Brelminster and Eastgate Fuel metering, engine controls, actuators and health-monitoring units, 1974-present
QCS QuantaChip Semiconductors 1984; listed semiconductor company Blue Skies and Glass City Qualified processors, radio-frequency devices and secure packaging, 1987-present
FOP FlareOptics 1969; employee-owned optics company Elder Lake Optical glass, detector cooling assemblies and laser components, 1971-present
ISB IonStream Batteries 1990; listed battery company Glass City and Southwell Aircraft batteries, emergency power modules and battery-management electronics, 1992-present
AHC AeroHull Composites 1976 from an aircraft-repair co-operative; privately held medium enterprise Blue Skies and Eastgate Avionics housings, radomes, fairings and non-primary composite structures, 1978-present
MTL MetalMind Materials 1952; listed company Harrowford and Casterford Aerospace alloys, armour, forgings and composite feedstock, 1954-present
SYN SynthoChem and SynthoPolymers 1949 and 1955; listed companies Glass City and Casterford Sealants, paints, elastomers, insulation and cleaners, 1950-present
WAB Ward Aeronautical Bureau 1842; imperial design and inspection bureau, dissolved 1943 Central Ward District Ward balloon, airship and military-aircraft design authority, 1842-1943
MAF Malgor Airframe Combine 1943; Syndicate state combine Malgor Governorate Fighters, transports, airliners and UAV airframes, 1944-present
KTE Kalvek Turbine and Engine Combine 1943; Syndicate state combine Kalvek and Stavro governorates Piston engines, turbines, gearboxes and APUs, 1944-present
VAE Vosk Aeronautical Engineering Combine 1945; Syndicate state combine Vosk Maritime Governorate Maritime aircraft, helicopters and corrosion protection, 1946-present
CEA Central Electronics Arsenal 1943; Syndicate state enterprise Central Ward District and Malgor Governorate Instruments, radar, radio, computers and electronic warfare, 1944-present
SPW State Polymer Works 1944; Syndicate state combine Mirzh Chemical Governorate Fabric, coatings, seals, hoses, insulation and cabin plastics, 1945-present
OMA Ordan Maritime Arsenal 1907; Ward naval arsenal, retained as a state arsenal Ordan Harbour Authority Carrier aircraft, torpedoes, sonobuoys and naval survival equipment, 1908-present
SSO Syndicate Supply Organisation 1943; state procurement directorate Central Ward District with governorate depots Clothing, food, documents, cleaning materials and general aircraft stores, 1943-present

Structure of the Republic industrial base

The Republic does not possess a set of self-contained aircraft factories. Its principal airframe companies are systems integrators at the head of overlapping supplier networks. Aether, Valence, SkyTech, Griffin, SeaForge, Meridian, RotorWorks, Horizon and Northstar control major designs or final assembly lines; Stratos Titan, Pegasus Caelus and Neuvo operate as civil or training-aircraft businesses within wider corporate relationships. A typical current aircraft draws structures, propulsion, electronics and furnished equipment from several states. The same Eastgate machine shop may supply a civil landing-gear actuator, a naval wing-fold part and a rail-brake customer; the mixture protects it from one programme ending, while making quality escapes capable of affecting several fleets at once.

Listed aerospace companies operate as private commercial concerns, not ministries. The government nevertheless retains national-security shares in the most sensitive firms. These shares do not entitle it to ordinary dividends or day-to-day management, but allow it to block an unacceptable change of control, disposal of a sovereign design authority or transfer of controlled technical data. Pension funds, insurers and individual investors own much of the remaining quoted equity. Smaller suppliers are commonly family-, employee- or founder-owned and depend more heavily on bank credit, progress payments and long-term purchase agreements.

Industrial returns for 2026 record about 318,000 people directly employed in Republic airframe, engine, aircraft-systems and aviation-material businesses. A further 470,000 work in identifiable aerospace supply, maintenance, software, testing and technical services. The boundary is approximate: a fastener company, battery works or machine-tool builder may earn only a minority of its revenue from aircraft, while an airline engineering base may perform work equivalent to a manufacturer's overhaul shop.

The Department of the Economy treats aerospace as a long-horizon productivity and industrial-capability sector. Its Industry, Productivity and Investment Division uses supplier-concentration data, skills forecasts, export exposure and investment plans to test whether a proposed expansion can be staffed and supplied rather than simply announced. Sector panels bring primes, smaller suppliers, unions, universities and state officials into the same discussion. Their recommendations inform growth and resilience policy but do not give the department control over company boards, military requirements or procurement.

Regional division of work

Industrial area Dominant work Structural limitation
Blue Skies and the wider Westrake corridor Prime-contractor headquarters, aerodynamic and systems design, final assembly, software integration, secure laboratories and flight test High land and housing costs; congestion around the shared flight-test range
Eastgate, Brelminster and Harthchester Machine tools, forgings, landing gear, actuators, wiring, power electronics, gauges, engine modules and production engineering Ageing skilled workforce and competition from automotive, energy and medical manufacturing
Airfield Cross and Bellmarket Light-aircraft assembly, civil completion, training fleets, freight conversion and independent maintenance Runway and noise constraints within the Capital outer belt
Seaward, Calderport, Prosper Cove and Avermouth Carrier-aircraft work, rotorcraft, salt-corrosion laboratories, naval mission equipment and shipboard support Higher material and inspection costs caused by maritime qualification
Markhaven, Highcliff and Elder Lake Cold-weather, altitude, navigation, optics and environmental testing Seasonal test windows and long logistics routes
Harrowford, Casterford and Glass City Alloys, forgings, composite feedstock, coatings, batteries and production chemicals Energy intensity and dependence on a small number of qualified process lines

Major structures move between these areas by rail in enclosed jigs or by dedicated freighter. Final assembly plants normally hold only days of sequenced parts at the line and several weeks of less expensive consumables. Engines, radar arrays, ejection seats, landing gear and some forgings have much longer buffers because replacement can take months. This makes a stoppage at a small qualified supplier more dangerous than its workforce or revenue would suggest.

Programme authority, certification and procurement

The civil design authority demonstrates compliance to the Department of Transport and remains responsible for continuing-airworthiness instructions after delivery. A production approval belongs to the factory or supplier performing the work; moving a line therefore requires new process evidence rather than merely transporting the tooling. Military aircraft receive a service release through the defence airworthiness system, but civil-derived tankers and transports retain their civil baseline wherever practical. This allows common engines, structural repairs and simulator data to remain in the larger civil support market.

Prime contractors control configuration, supplier acceptance and final delivery. They do not have an unrestricted right to substitute a component. A change in resin, processor, bearing, coating or software library can require fatigue, electromagnetic, fire, environmental or security requalification even when the substitute appears commercially equivalent. Procurement contracts therefore fund obsolescence monitoring, test articles and last-time purchases as well as visible production.

The armed services generally buy aircraft in multi-year lots with annual appropriations, indexed labour and material clauses, and separately priced initial spares. Civil manufacturers rely on deposits, milestone payments, export credit and customer acceptance finance. Engines on airliners are frequently sold with long-term availability agreements under which the operator pays by flying hour; the apparent sale price is consequently a poor measure of the engine maker's eventual revenue or liability.

Manufacturers regularly lobby the Department of the Economy over production credits, skills funding, research priorities, infrastructure capacity and the treatment of imported components. The department records those representations beside its productivity evidence and sends trade-agreement questions to the Department of Trade, procurement choices to the responsible buyer and budget consequences to the Ministry of Finance. The recurring argument is whether a strategic capability deserves patient public support or is merely a well-connected firm's preferred investment case.

The broader company register includes the firms that make the primes' footprint visible in daily commerce: Blue Skies Flight Services maintains aircraft and simulators, Calderport Marine Fabrication supplies hull modules and cranes, and smaller aerospace-structure and flight-support companies move between civil, defence and maritime contracts. They are commercially independent even when a national programme makes one prime their most important customer.

Capacity, resilience and dependencies

Production capacity is constrained by tools, people and approvals rather than floor area alone. Composite curing vessels, large presses, single-crystal blade furnaces, radar-module lines, software-integration rigs and experienced inspectors cannot be duplicated quickly. A second supplier is maintained for routine fasteners, cable, batteries and some machined parts. Complete second sources are uncommon for engines, ejection seats, large forgings, flight-control computers and low-observable materials because qualification would cost almost as much as the original development.

The Republic retains domestic design and production capability for airframes, combat engines, high-bypass civil engines, rotorcraft transmissions, flight controls, radar, electronic warfare, inertial navigation, secure communications and the principal structural materials. It is not autarkic. Qualified semiconductor fabrication equipment, some rare-earth magnets, specialist optical crystals, machine-tool controls and chemical precursors are imported from allied or neutral markets. Strategic stocks cover interruption, not indefinite isolation, and neutral-country intermediaries are subject to end-user audit because Syndicate-origin material can otherwise enter controlled programmes.

Surge planning is based on sustaining existing fleets before expanding final assembly. In a crisis, engine and component overhaul, repair of stored airframes and additional spares yield usable aircraft sooner than opening a new line. Current final-assembly plants can normally add a second shift within months, but a durable increase beyond roughly one quarter above the funded rate requires new jigs, supplier tooling, inspectors and trained labour. The combat-engine and radar chains are the slowest to expand.

The aviation base therefore carries both strategic continuity and cyclical crowd-out. Multi-year defence orders smooth revenue for primes and qualified suppliers, but a surge can absorb machine tools, inspectors, cleared engineers, port capacity and finance that civil aircraft, engines and industrial customers also need. Some firms become bureaucratic or politically protected because their closure would strand a qualified workforce or break a national programme; survival is not proof of innovation. The Regional Economic Cycle Ledger records these trade-offs without altering production blocks, aircraft allowances or equipment identities.

Export approval attaches to the configuration, software, training and support package rather than to the bare airframe. Sensitive radar modes, cryptography, electronic-warfare libraries and low-observable repairs are supplied in reduced form or retained in Republic-controlled support facilities. Export customers therefore receive a sovereign operating capability but not necessarily the same mission data or depot rights as Republic forces. Long support commitments also limit sales: a politically attractive order can be refused when it would consume engines, test equipment or field engineers needed for domestic readiness.

Propulsion and lifting systems

Lighter-than-air and early powerplants

Model Manufacturer Production Description and applications
BAC Furnace No. 2 BAC 1798-1826 Charcoal-fired copper balloon furnace; one per KA-LTA-001 and KA-LTA-002 balloon train
BAC Calorifier No. 5 BAC 1827-1859 Coke-fired double-wall burner with spark hood; one per KA-LTA-003 free balloon
Crown H-3 hydrogen cart BAC / CIG 1854-1888 Twelve-retort mobile hydrogen generator; six carts per military balloon train
Crown H-8 hydrogen plant BAC 1886-1918 Trailer plant with iron retorts, purifier and fabric gas main; one plant per airship or three-balloon section
Aether AM-8 AET 1898-1912 28 kW eight-cylinder petrol engine, 96 built; used in Kingsbury experimental airships
Aether AM-16 AET 1909-1922 82 kW water-cooled V-8, 3,840 built; early aeroplanes and coastal airships
Meridian MB-83 Festival MAC 1982-present Dual propane burner with redundant valves; Republic M-80 and club balloons
SkyNet HM-12 Watchmast SNS 2010-present Helium-management, tether-power and automatic-deflation unit; Republic Watchmast aerostats
Ward WAB-E6 WAB 1889-1906 24 kW six-cylinder spirit engine, 182 built; Ward dirigibles
Ward WAB-E18 WAB 1905-1919 75 kW water-cooled engine, 5,420 built; Ward airships and early aeroplanes
State Burner PB-9 SSO/KTE 1989-present Dual propane burner and bottle set; Syndicate civil and ceremonial balloons
CEA Tether Unit TU-18 CEA/MAF 2007-present Helium pressure control, powered tether and emergency deflation unit; Border Mast aerostats
SynthoPolymers Aircloth AC-83 SynthoPolymers 1982-present Coated polyester envelope, load tape, crown ring and deflation-panel standard for Republic civil balloons
SPW Ripstop Envelope RE-12 State Polymer Works 1988-present Coated polyester envelope, load tape, crown ring and deflation-panel standard for Syndicate civil balloons
Republic Lift Helium RH-5 National Fuel Corporation 2009-present Aviation lifting helium supplied in sealed tube trailers for Watchmast aerostats
State Lift Helium LH-8 SSO/Stavro Gas Directorate 2007-present Aviation lifting helium supplied in sealed tube trailers for Border Mast aerostats

Republic and Kingsbury aeroplane engines

Model Manufacturer Production Rated output and principal fits
Meridian M-60 Rowan MAC 1906-1918 60 kW inline engine; O-01, T-01, M-2 and NT-02
Aether R-220 Crownstar AET 1918-1938 220 kW nine-cylinder radial; F-12, M-5, NF-12 and T-11
Aether R-610 Broadstar AET 1927-1945 610 kW fourteen-cylinder radial; B-14, M-14, NS-15 and SF-19
Griffin R-980 Hearth GRI 1936-1954 980 kW eighteen-cylinder radial; F-21, A-22, GA-22 and NC-24
Aether V-1650 Crownfire AET 1939-1957 1,230 kW liquid-cooled V-12; F-21B, NF-21 and B-24
Valence J-28 Swift VAL 1948-1961 18.5 kN centrifugal turbojet; F-30, NF-28 and T-29
AeroFlux AJ-34 Gate AeroFlux Dynamics 1958-1973 54 kN afterburning turbojet; F-34 and NF-34
SkyThrust ST-36 Lowroad SkyThrust Power Systems 1963-1982 62 kN afterburning turbojet; A-36 and NS-36
JetPulse JP-38 Hammer JetPulse Technologies 1965-1984 78 kN reheated turbofan; B-38
Nimbus NTS-35 Hearthwind Nimbus AeroSystems 1967-1994 2,150 kW turboshaft/turboprop core; C-35, STech 40 and T-37
AeroFlux AF-40 Clearblade AeroFlux Dynamics 1978-1998 93 kN afterburning turbofan; F-40
SkyThrust STX-43 Burrow SkyThrust Power Systems 1981-2012 71 kN reheated turbofan; A-43 and NS-44
AeroFlux AF-46 Night Furrow AeroFlux Dynamics 1983-2003 86 kN reheated turbofan; B-46
Venturi VM-42 Loadmaster Venturi AeroMechanics 1977-2007 3,650 kW turboprop; C-42, NC-41 and STech 46
AeroFlux AF-44 Longroad AeroFlux Dynamics 1986-2015 242 kN high-bypass turbofan; C-44 and ST-100
Nimbus NTS-33 Kittiwake Nimbus AeroSystems 1975-2008 1,520 kW turboshaft; H-33, NH-39 and NT-38
Nimbus NTS-38 Warden Nimbus AeroSystems 1982-2018 2,050 kW turboshaft; H-38 and NH-42
Orion OAC-52 Kestrel Orion Systems / AeroFlux 2003-present 132 kN adaptive afterburning turbofan; F-52 and NF-52
SkyThrust STX-51 Highgate SkyThrust Power Systems 1998-present 118 kN afterburning turbofan; F-51 and NF-53
AeroFlux AF-54 Quietfire AeroFlux Dynamics / Orion 2007-present 168 kN low-observable turbofan; B-54
AeroFlux CF-118 Starling AeroFlux Dynamics 2001-present 126 kN high-bypass turbofan; AA-118 and PC-92 derivatives
AeroFlux CF-92 Fen AeroFlux Dynamics 1997-present 72 kN high-bypass turbofan; PC-92-100 and early PC-92-200 blocks
AeroFlux CF-220 Titan AeroFlux Dynamics 2004-present 326 kN high-bypass turbofan; ST-220 and C-47
Venturi VP-52 Prairie Venturi AeroMechanics 1998-present 4,050 kW turboprop; STech 52, T-39 and maritime patrol derivatives
Nimbus NR-42 Moorhen Nimbus AeroSystems 2000-present 2,480 kW turboshaft; NH-42M, H-38R and heavy civil helicopters
AeroFlux AP-31 Finch AeroFlux Dynamics / Apex licensed line 1991-present 145 kW piston engine; T-31, NT-21 and approved club trainers
AeroFlux AP-44 Larkspur AeroFlux Dynamics / Apex licensed line 1994-present 165 kW piston engine; M-44 family
AeroFlux AP-47 Surveyor AeroFlux Dynamics / Apex licensed line 1999-present 260 kW piston engine; M-47 family
AeroFlux TJ-34 Schooljet AeroFlux Dynamics 1986-present 12 kN non-reheated turbojet; NT-34 family
SkyNet SP-18 Survey SkyNet Systems 2004-present 48 kW heavy-fuel piston engine; U-72 family
SkyNet SP-55 Endurance SkyNet Systems 2007-present 135 kW heavy-fuel piston engine; Q-55 and NU-55 families

Ward and Syndicate powerplants

Model Manufacturer Production Rated output and principal fits
Ward W-240 Iron Finch WAB 1916-1934 240 kW radial; WA-FW-011, 012 and 014
Ward W-720 Grey Ox WAB 1928-1945 720 kW radial; WA-FW-021, 022, 024 and civil transports
Ward W-1380 Red Crown WAB 1937-1948 1,030 kW radial; WA-FW-031, 032 and carrier aircraft
KTE P-45 Continuance KTE 1944-1960 1,260 kW piston engine; SA-FW-041 and 042
KTE J-7 Spear KTE 1948-1967 23 kN centrifugal turbojet; SA-FW-051 and 052
KTE J-19 Rampart KTE 1958-1979 58 kN reheated turbojet; SA-FW-061 and 063
KTE T-22 Cart KTE 1961-1988 2,250 kW turboprop; SA-FW-064, 065 and civil STC-22
KTE R-12 Hook KTE 1952-1983 1,180 kW turboshaft; SA-RW-061 and 062
KTE F-31 Shield KTE 1974-2004 82 kN reheated turbofan; SA-FW-071 and 073
KTE F-36 Long Hand KTE 1978-2008 118 kN turbofan; SA-FW-074 and civil STC-36
KTE R-28 Crane KTE 1979-2016 1,940 kW turboshaft; SA-RW-071, 072 and civil helicopters
KTE F-48 Bastion KTE 1995-present 105 kN reheated turbofan; SA-FW-081 and 082
KTE T-44 Provision KTE 1994-present 3,600 kW turboprop; SA-FW-084 and STC-44
KTE R-41 Marsh KTE 1998-present 2,250 kW turboshaft; SA-RW-081 and 082
KTE D-18 Vigil KTE / CEA 1999-present 135 kW heavy-fuel UAV engine; SA-UAV-081 and 082
KTE D-8 Border KTE 1986-2004 92 kW heavy-fuel piston engine; SU-30 family
KTE D-12 Survey KTE 2006-present 48 kW heavy-fuel piston engine; SU-C12 family
KTE P-18 Field KTE 1987-present 155 kW piston engine; MAF-L18 family
KTE F-52 Continuant KTE 1999-present 118 kN high-bypass turbofan; MAF-52 family
KTE F-68 Presidium KTE 2002-present 286 kN high-bypass turbofan; MAF-68 family

Construction and finish standards

Standard Supplier and procurement Complete controlled content
KAS-1800 Balloon Standard BAC/CIG, 1798-1859 BAC Varnished Cambric 1798 envelope cloth; Crown No. 1 hemp net and 18 mm suspension rope; Blue Skies willow basket; CIG brass suspension rings, ballast knife, mercury barometer, magnetic compass, sand bags and two whale-oil lamps; beeswax seam dressing and linseed varnish
KAS-1856 Aerostat Standard BAC/CTW, 1854-1908 BAC Goldbeater Composite envelope; Crown No. 3 manila net; 22 mm Crown laid rope; iron quick-release, ripping panel and valve line; CTW Field Telegraph No. 2; CIG Aneroid No. 4; asbestos burner shield, wicker car, mooring stakes, hydrogen hose and Crown Red anti-corrosion paint
KAS-1898 Airship Standard BAC/AET/CTW, 1898-1918 BAC Rubberised Cotton 7A envelope, spruce keel, Crown Piano Wire No. 6 bracing, Aether bronze propeller shafts, CTW Spark Set S-3, CIG Air Compass 9, kapok jackets, canvas bunks, enamel mugs, chemical closet and hand fire pump
KAS-1908 Wood-and-Fabric Standard MAC/AET, 1906-1925 Meridian Aircraft Spruce M1, Crown Birch Ply B2, drawn-steel tube ST-4, Crown Airwire 2 control cable, Meridian brass turnbuckles, Blue Skies Irish Linen L4, BAC cellulose dope D6, casein glue C2, split pins SP-1 and red-lead primer P3
KAS-1926 Service Standard MAC/AET/SEA, 1919-1942 Meridian Spruce M3 and Birch Ply B5, Aether duralumin D-2 fittings, Crown Airwire 5, SeaForge saltproof cable terminals, BAC nitrate/butyrate dope D11, Crown 4BA/2BA fasteners, laminated safety glass G3 and leather cockpit coaming
KAS-1941 Metal Standard AET/GRI, 1938-1959 Aether Alclad A24 sheet, Griffin 24ST extrusions, Crown Hi-Shear rivets R7, Cadmium Bolt Standard CB4, braided loom WL8, flexible fuel hose FH6, Crown Perspex P9, zinc-chromate primer Z2 and SynthoChem glycol sealant GS1
RAS-1964 Jet Standard MTL/SYN, 1958-1983 MetalMind MM-2024 and MM-7075 alloys, titanium hot-zone sheet T4, Cherrylock-pattern CR6 fasteners, SWA Wire Standard AW12, SynthoChem Fluoroseal FS3 hose and sealant, acrylic canopy AC8, epoxy primer EP4, thermal blanket TB2 and hydraulic pipe HP9
RAS-1987 Digital Standard MTL/SYN, 1981-2006 MM-7150 alloy, MetalMind Carbon Laminate CL3, titanium Ti-6 structural stock, interference fasteners IF8, SWA shielded data cable DC17, SynthoPolymers Halon-free insulation HI4, polysulphide sealant PS9, lightning mesh LM2 and low-smoke cabin panel CP6
RAS-2008 Network Standard MTL/SYN, 2001-present MetalMind CL8 carbon composite, MM-2195 alloy, ceramic armour CA5, blind fastener BF12, SWA fibre/data loom FD6, SynthoChem conductive sealant CS4, low-observable coating LC7, phosphate-ester hose PH8 and low-toxicity cabin material CM11
WAS-1906 Ward Standard WAB, 1905-1923 Ward spruce WS2, birch ply WP3, Ward linen WL2, spirit dope WD4, iron fittings WF5, control wire WC2, plain glass WG1 and Ward red-oxide primer
WAS-1928 Ward Metal Standard WAB, 1925-1945 Ward Dural Sheet DS6, chromoly tube CT3, rivet WR4, armoured glass AG2, rubber hose RH5, cotton wire loom CW7, oil varnish OV9 and bitumen corrosion coat BC2
SAS-1950 State Standard MAF/SPW, 1945-1971 State Alloy SA4, Kalvek steel KS8, State Rivet SR6, cotton-insulated loom SL3, SPW Buna hose BH4, acetate glazing G5, zinc primer ZP6 and red identification lacquer RL2
SAS-1976 Dispersal Standard MAF/SPW, 1970-1998 State Alloy SA8, titanium TS2, flush rivet FR7, CEA shielded loom CL9, SPW fluororubber hose FH8, epoxy primer EP7, removable field panels FP4 and chemical-resistant cabin board CB3
SAS-2002 Digital Standard MAF/SPW, 1997-present State Alloy SA11, Carbon Laminate CL5, titanium TS6, lockbolt LB8, CEA digital loom DL4, SPW low-smoke insulation LS7, radar-absorbent coating RA3 and phosphate hose PH5

Flight, navigation and mission equipment

Package or model Manufacturer Production Contents and normal quantity
CIG Visual Flight Set V1 CIG 1905-1924 Airspeed tube, altimeter, compass, clock, engine tachometer and oil-pressure glass; one of each
Crown Panel P6 CIG/MAC 1920-1942 Airspeed indicator, sensitive altimeter, turn-and-slip, compass, clock, two engine gauges, flare pistol and map board
Imperial Blind Panel BP9 CIG/CTW 1936-1953 Artificial horizon, directional gyro, rate-of-climb, radio compass, CTW R/T-8 voice radio and friend-or-foe lamp
Republic Flight Set RF12 SWA/QNV 1956-1977 dual attitude and heading indicators, QNV Navstar N2, SWA VHF-12, oxygen regulator OR6, ejection intercom and flight recorder FR3
Republic Flight Set RF28 SWA/QNV/STL 1978-1999 dual electronic instruments, QNV INS-28, STL V/UHF-31, SWA AP-28 autopilot, crash recorder CR7 and radar altimeter RA8
Republic Flight Set RF46 SWA/QNV/STL 1998-present four redundant displays, QNV RingNav 46 inertial-satellite unit, STL Clearcall 46 radio, SWA FlightLaw 46 computers, terrain database, solid-state recorder and emergency locator
Ward Panel WP4 WAB 1914-1935 airspeed tube, altimeter, compass, clock, tachometer, oil sight glass and map case
Ward Blind Panel WP12 WAB/CTW copies 1932-1946 gyro horizon, compass, climb indicator, radio direction finder and Ward R-12 voice set
State Flight Set SF9 CEA 1946-1968 six-dial blind panel, CEA R-9 radio, beacon receiver, oxygen regulator and film recorder
State Flight Set SF24 CEA 1965-1990 electromechanical director, CEA R-24 radio, Doppler navigator, radar altimeter, autopilot and wire recorder
State Flight Set SF38 CEA 1982-2007 cathode-ray displays, inertial set, secure radio, digital autopilot, warning recorder and ground-test socket
State Flight Set SF52 CEA 2000-present colour displays, ring-laser inertial unit, satellite receiver, encrypted radio, digital flight controls, recorder and terrain-warning computer

Current Republic AF-, N- and named civil sensor models retain the designations listed in the service sources. Their production dates are controlled below.

Model family Manufacturer Production Applications
AFR/AFO/AFE/AFC/AFN/AFM 31-49 series SWA, OTR, SNS, STL, QNV, CTH 1977-present Republic F-40, A-43, B-46, C-35/42/44/47, R-51, E-48, trainers and helicopters; block letter dates match the airframe block
AFR/AFO/AFE/AFC/AFN/AFM 50-55 series SWA, OTR, SNS, STL, QNV, CTH 1998-present F-51/52, B-54, E-50, Q-55 and their support fleets
NR/NEW/NCL/NCB/NEO/NSN 39-55 series OTR, SNS, STL, SWA, CTH, Tideharbour Sonar Works 1980-present Current Fleet Air Arm; precise fit follows the Fleet Air Number suffix
CEA RP-18 Hearth radar CEA 1957-1978 SA-FW-061 and 063 interceptors
CEA RP-31 Wall radar CEA 1976-2003 SA-FW-071 and 073
CEA RP-48 Bastion AESA CEA 1998-present SA-FW-081 and elite SA-FW-082
CEA EO-44 Watchglass CEA 1996-present SA-RW-081, SA-UAV-081 and maritime patrol blocks
CEA DL-50 Statechain CEA 2001-present elite Syndicate fighter, command, maritime and UAV units
CEA EW-47 Closed Hand CEA 1999-present elite Syndicate self-protection and electronic-attack aircraft
CEA MR-45 Maritime Watch CEA 1999-present surface-search radar and sonobuoy-processing suite for SM-45
CEA CT-43 Command Table CEA 2001-present ten-position command and electronic-support system for SE-43
CEA CS-43 Control Shelter CEA 2000-present two-shelter SU-43 ground-control set with four consoles, recorders and encrypted links
CEA CC-12 Civil Control CEA 2007-present three-position civil UAV control van for SU-C12 survey aircraft

Weapons and mission stores

Model Manufacturer Production Standard aircraft use
Crown Observer Carbine C8 Crown Small Arms Factory 1888-1918 One per Kingsbury balloon or airship car with 120 cartridges
Imperial Air Gun MG4 Crown Small Arms Factory 1914-1934 Flexible or synchronised gun; 500 rounds per gun
Crown Air Gun MG11 Crown Small Arms Factory 1932-1958 12.7 mm fixed or turret gun; 400 rounds per gun
Republic Cannon AC-20 Ironvale Ordnance 1951-1988 20 mm aircraft cannon; 180 rounds per gun
Republic Cannon AC-27 Ironvale Ordnance 1978-present 27 mm cannon; 150 combat or 90 training rounds
AAM-34 Gatebolt SecureWing Guided Weapons 1963-1984 Semi-active radar missile for F-34/NF-34; two or four
AAM-51 Longfeather SecureWing Guided Weapons 1998-present Networked air-to-air missile; two to eight
ASM-43 Bracken (Millstone service name) SkyNet Systems 1984-present Precision surface weapon for A-43/NS-44; two to six. Millstone Defence Systems supplies the warhead and propulsion section under SkyNet integration authority
AGM-45 Yardarm CoreTech Systems 1990-present Close-support guided missile; four to twelve
SOW-54 Quiet Pike SecureWing Guided Weapons 2008-present Low-observable standoff weapon; four internal on B-54
NMT-42 Reedfish Tideharbour Ordnance 1987-present Lightweight air-launched torpedo; two on NH-42 or maritime patrol aircraft
NSB-42 Bell Buoy Tideharbour Sonar Works 1985-present Active/passive sonobuoy; 12 on helicopter or 48 on patrol aircraft
Ward Air Gun WMG-6 Ward Arsenal 1915-1945 7.7 mm gun; 500 rounds per gun
Ward Cannon WC-20 Ward Arsenal 1937-1951 20 mm cannon; 120 rounds per gun
State Cannon SC-23 Dornik Armament Combine 1950-1985 23 mm cannon; 200 rounds per gun
State Cannon SC-30 Dornik Armament Combine 1972-present 30 mm cannon; 150 rounds per gun
State AAM P-19 East Kalvek Guided Works 1961-1984 Radar-guided interceptor missile; two or four
State AAM P-31 East Kalvek Guided Works 1978-2008 Medium-range missile; four or six
State AAM P-48 East Kalvek Guided Works 1999-present Digital medium-range missile; four to eight
State ASM K-37 East Kalvek Guided Works 1985-present Anti-ship or land-attack missile; two or four
Ordan Torpedo AT-28 OMA 1981-present Lightweight air torpedo; two per naval helicopter
Ordan Sonobuoy SB-33 OMA/CEA 1986-present Twelve per helicopter, forty per maritime patrol aircraft

Specialist cabin and medical equipment

Model Manufacturer Production Standard quantity and application
CoreTech MedRail MR6 CoreTech Systems 1998-present Two stretcher rails in GA-90 ambulance blocks
CoreTech Oxygen Rack OR9 CoreTech Systems 1998-present One six-cylinder medical-oxygen rack per Republic ambulance conversion
CoreTech Suction Unit SU4 CoreTech Systems 1999-present Two portable suction units per Republic ambulance conversion
SynthoPolymers Washfloor WF7 SynthoPolymers 1998-present One sealed removable cabin floor set per ambulance conversion
State Stretcher SR-8 SSO 2001-present Two stretchers per VAE-32 medical block
State Oxygen Rack OR-12 SSO/CEA 2001-present One four-cylinder rack per VAE-32 medical block

Safety, habitability, tools and consumables

These packages enumerate ordinary equipment that earlier aircraft histories often left unnamed.

Package Supplier and production Complete standard allowance
KS-08 Open-Air Safety Crown Supply Office, 1908-1935 Two Crown Type 2 leather helmets, two Amberglass goggles, two wool flying coats, two map gauntlets, lap belts, four red Very cartridges, one MG4 flare pistol, one Field Dressing Tin 6, one 1.8 L enamel water flask and one hand axe
KS-32 Enclosed-Aircraft Safety Crown Supply Office, 1932-1958 Crew Sutton-pattern harnesses, Crown Pack Parachute 9 for every occupant, Mae West Kapok Jacket 4 for over-water seats, two Pyrene Model A extinguishers, First Aid Case 12, crash axe, signal mirror, whistle, raft appropriate to capacity and one emergency ration tin per occupant
RS-62 Jet Safety Defence Supply Office, 1958-1989 Martin Vale E-6 ejection seat or Republic Harness RH4, Pilot Chute PC8, Aircrew Helmet AH9, Oxygen Mask OM6, Sea-Light Jacket SJ3 where required, Graviner Fire Bottle FB7, trauma case TC4, two survival radios SR8 and named theatre survival pack
RS-91 Digital Safety Defence Supply Office/CoreTech, 1988-2010 Martin Vale E-12 seat where fitted, AH14 helmet, OM12 mask, CoreTech Beacon CB6, SynthoPolymers anti-exposure suit AE5, Halon-replacement bottle FB12, medical pack MP9, raft, locator dye, torch, cutter and survival water pouches
RS-11 Network Safety Defence Supply Office/CoreTech, 2008-present Martin Vale E-18 seat or crashworthy CrewSeat CS8, AH21 helmet, OM19 mask, CB11 locator, AE9 immersion suit, lithium-safe FB18 bottle, MP14 medical pack, body armour BA7 when tasked, raft and role-specific land or sea survival modules
WS-18 Ward Air Safety Ward Supply Directorate, 1918-1945 Leather helmet, goggles, wool coat, lap belt, Ward Pack Chute 3 after 1927, signal pistol, dressing tin, water flask and emergency biscuits
SS-49 State Safety SSO, 1946-1975 State Chute 6, Helmet H4, Oxygen Mask O3, fire bottle F5, dressing case D7, raft where required, signal pistol and three-day ration block
SS-76 Dispersal Safety SSO, 1974-2003 Ejection Seat S9 or crash seat C6, Helmet H11, Mask O9, Beacon B4, fire bottle F11, medical pack D12, raft, winter or steppe survival case and service pistol where authorised
SS-03 Digital Safety SSO/CEA, 2001-present Seat S14 or crash seat C10, Helmet H18, Mask O14, Beacon B9, clean-agent bottle F16, medical pack D18, body armour A5, raft and coded survival module
KH-20 Service Cabin Crown Aircraft Furnishing Office, 1920-1952 leather or moquette seats to certified capacity, net hat racks, wool blankets at one per four seats, enamel cups, Crown Water Urn 2, chemical closet C3 where fitted, hand broom, dustpan, carbolic soap, paper sick bags and linen curtains
RH-68 Transport Cabin Republic Cabin Supply, 1966-1995 certified reclining seats and belts, overhead rack or bin, wool-blend blanket, foam life vest on over-water routes, Galley Heater GH4, insulated beverage urn, melamine crockery, stainless cutlery, vacuum lavatory VL2 on large aircraft, detergent RD6 and disinfectant AD4
RH-05 Modern Cabin Republic Cabin Supply/SynthoPolymers, 2003-present crashworthy seats and restraints, LED light unit LL6, privacy curtain PC4, Galley Oven GO8, Brew Unit BU7, Atlas chilled cart, reusable polycarbonate crockery, SteelLine cutlery, vacuum lavatory VL8, potable-water cart interface PW5, CleanCabin CC9 detergent, Medisafe MD7 disinfectant and PestStop PS4 traps
SH-72 State Cabin SSO/SPW, 1970-2005 State Seat S12, wool blanket B8, aluminium cup C4, Food Heater FH3, tea urn TU6, chemical or recirculating lavatory L5, soap S7, chloride disinfectant D9, brush set B3 and curtain P2
SH-04 State Modern Cabin SSO/SPW, 2002-present State Seat S20, LED lamp L11, curtain P7, Galley Heater G9, tea boiler T12, steel crockery set C9, vacuum lavatory L12, water interface W8, detergent D15, disinfectant D16 and pest trap P9
KT-18 Field Tool Pack MAC/Crown Supply, 1918-1955 Whitworth spanners 1/8-1 inch, six screwdrivers, safety-wire pliers, fabric needle roll, dope brush, spark-plug spanner, tyre pump, jack, grease gun, funnel, drain pan, propeller cover, pitot cover, tie-downs and Aircraft Form Book 8
RT-66 Flight-Line Pack National Tool Works, 1964-1993 AF-pattern socket and spanner set, torque wrench TW4, multimeter MM3, safety-wire pliers, hydraulic hand pump HP2, nitrogen gauge NG3, grease gun, jack pads, tow bar, intake and pitot covers, bonding lead, drip trays and Technical Log TL6
RT-01 Digital Support Pack National Tool Works/SWA, 1999-present insulated tool chest IT8, torque wrench TW11, digital multimeter MM9, fibre tester FT4, avionics test set ATS12, hydraulic cart HC7, nitrogen cart NC5, battery analyser BA8, software load terminal SLT6, tow bar, covers, grounding lead, spill kit and Technical Log TL12
ST-52 State Field Pack SSO/Kalvek Machine Tool Works, 1950-1981 metric spanners, sockets, screwdrivers, wire pliers, pressure gauge, hand pump, jack, grease gun, funnel, canvas covers, tow rope and Airframe Book A6
ST-82 State Digital Pack SSO/CEA, 1980-present metric insulated tools, torque wrench, multimeter, radar test box, hydraulic cart, gas cart, battery tester, code loader after 2001, tow bar, covers, earthing cable, spill box and Airframe Book A14

Provisions, documents and personal stores

Catalogue item Supplier and procurement Standard quantity and application
Crown Flight Biscuit FB2 Crown Victualling Office, 1908-1947 One 250 g waxed packet per occupant plus two reserve packets on every flight exceeding two hours
Crown Tea Brick TB4 Crown Victualling Office, 1920-1952 One 20-serving tin per KH-20 galley and one replacement tin per operating day
Crown Air Meal AM7 Crown Victualling Office, 1936-1958 One tinned meat, biscuit and fruit pack per crew member on flights exceeding six hours
Republic Air Meal Blue RAM-05 Green Table, 2005-present One sealed meal tray per catered passenger and crew member plus five per cent dispatch reserve
Republic Crew Meal Night RCM-08 Green Table, 2008-present Two high-protein trays per long-duty crew member, separately marked from passenger catering
Skybrew Beverage Pack SB-6 Green Table, 2003-present One 100-serving tea/coffee/sugar pack per RH-05 Brew Unit BU7, with paper filters and stirrers
Northmark Cold Survival Pack NC-9 Northmark Ranger Supply, 1991-present One three-day high-energy ration, stove tablet set and insulated water pouch per occupant on northern routes
State Flight Ration FR-6 SSO, 1946-1988 One bread, meat paste, sugar and tea packet per occupant on flights exceeding four hours; two per crew member on bomber missions
State Air Meal AM-12 SSO, 1986-present One sealed grain, meat and fruit tray per catered passenger and crew member plus three per cent reserve
State Tea Issue TI-9 SSO, 1970-present One 80-serving tea/sugar tin per SH-72 or SH-04 galley per operating day
Republic Flight Document Set FD-12 Department of Transport/SWA, 1958-1986 Aircraft flight manual, loading schedule, defect log, journey log, emergency checklist, paper charts, pencil case, seals and one SteelSafe DS4 document box per aircraft
Republic Flight Document Set FD-28 Department of Transport/SWA, 1982-2008 Block-specific manuals, laminated checklists, technical log, route charts, dangerous-goods guide, security seals and SteelSafe DS8 box; one set per aircraft
Republic Electronic Flight Set EFB-6 Department of Transport/SWA, 2005-present Two certified tablets, one charging cradle, paper emergency checklist, technical log, security seals and SteelSafe DS12 box per cockpit; mission aircraft add one set per console team
Crown Air Book Set CAB-4 Crown Air Office/CIG, 1914-1958 Pilot notes, engine card, load sheet, route chart, signal card, pencils and Crown Lockbox L4; one set per aircraft
Ward Air Book Set AB-4 WAB, 1914-1945 Pilot notes, engine card, load sheet, route chart, signal card, pencils and lockable steel dispatch box; one set per aircraft
State Air Book Set AB-14 SSO/CEA, 1946-2005 Flight manual, engine book, defect book, load form, route charts, code card envelope, seals and State Safe S6; one set per aircraft
State Electronic Flight Set EF-8 SSO/CEA, 2002-present Two certified tablets, code loader card, paper emergency checklist, airframe book, seals and State Safe S12 per cockpit; mission aircraft add one per console section
Republic Aircrew Clothing Set AC-21 Defence Supply Office, 2008-present One flame-resistant flying suit, thermal underlayer, gloves, boots, helmet bag, reflective ground vest and hearing protectors per crew member; body armour BA7 added by task
Republic Cabin Crew Set CC-11 Republic Cabin Supply, 2003-present One uniform, apron, heat gloves, disposable hygiene gloves, smoke hood and torch per cabin crew member plus one spare smoke hood per galley
State Aircrew Clothing Set AC-18 SSO, 2001-present One flame-resistant suit, thermal layer, gloves, boots, helmet bag, ground vest and ear defenders per crew member; armour A5 added by task
State Cabin Crew Set CC-9 SSO, 2002-present One uniform, apron, heat gloves, hygiene gloves, smoke hood and torch per attendant plus one spare hood per galley
Republic Long-Flight Welfare Pack WF-5 Republic Cabin Supply, 2004-present Ten current newspapers, twelve magazines, two card packs, two children's activity packs, writing paper and pencils per long-haul passenger aircraft; sealed devotional texts supplied on request
State Long-Flight Welfare Pack WF-3 SSO, 1988-present Six approved newspapers, eight magazines, two chess sets, two card packs, writing paper and pencils per long-haul aircraft
Consumable schedule Supplier and procurement Normal dispatch contents
KC-10 Piston Schedule Crown Fuel Board/AET, 1910-1958 Crown Aviation Spirit 80 or 100-octane by block; Aether Castor Oil AO2 then Mineral Oil MO7; distilled cooling water where required; Crown Grease G3; BAC Dope Patch D11; red-lead touch-up paint; cotton waste and carbolic cleaner
RC-64 Jet Schedule National Fuel Corporation/SYN, 1958-1996 Republic Jet Fuel RJ-4; AeroLube AL8 turbine oil; HydraSafe H6 fluid; SynthoChem glycol coolant GC4; oxygen and nitrogen to drawing quantity; sealant PS9; epoxy paint EP4; SolvClean SC6; absorbent pads and battery electrolyte
RC-06 Modern Schedule National Fuel Corporation/SYN, 1998-present RJ-8 low-freeze fuel or approved sustainable blend; AeroLube AL14; phosphate fluid PH8; CoolSafe CS7; oxygen, nitrogen and fire-suppression gas; conductive sealant CS4; coating repair LC7; aqueous cleaner AQ9; lithium battery modules and spill-control consumables
WC-14 Ward Schedule Ward Fuel Directorate, 1914-1945 Ward Spirit 74/92, Castor Blend O2, Mineral Oil O6, water-glycol, grease G4, dope WD4, varnish OV9, cotton waste and cresol cleaner
SC-48 State Schedule SSO/KTE/SPW, 1946-1989 State Aviation Petrol P6 or Jet Fuel J5 by block; Turbine Oil T7; Hydraulic Fluid H5; glycol G6; oxygen and nitrogen; sealant S8; primer ZP6; solvent C4 and absorbent cloth
SC-90 State Schedule SSO/KTE/SPW, 1988-present Jet Fuel J9 or UAV Heavy Fuel D4; Turbine Oil T12; Hydraulic Fluid H11; coolant C9; oxygen, nitrogen and clean-agent gas; sealant S14; coating RA3; detergent D15; battery modules and spill granules

Standard allowance combinations

Allowance Applicable period and complete composition
A-KA-1800 KAS-1800, BAC Furnace No. 2 or Calorifier No. 5, CIG instruments named in KAS-1800, contemporary basket stores and balloon-train ground equipment
A-KA-1856 KAS-1856, Crown H-3/H-8 gas equipment, Crown Hydrogen Grade H1 supplied by BAC from 1854 to 1918, CIG/CTW fit, Crown Observer Carbine C8, mooring and telegraph stores
A-KA-1898 KAS-1898, specified Aether engine, CTW communications, bunks/galley/closet listed in the construction standard and airship ground pack
A-KA-1908 KAS-1908, CIG V1, KS-08, KT-18 and KC-10 plus specified propulsion and mission kit
A-KA-1926 KAS-1926, Crown P6 or BP9, KS-32, KH-20, KT-18, KC-10, CAB-4, Crown Flight Biscuit and applicable Tea Brick/Air Meal plus specified propulsion and weapons
A-KA-1941 KAS-1941, BP9, KS-32, KH-20 where occupied cabin exists, KT-18, KC-10, CAB-4 and applicable Crown provisions plus specified propulsion and weapons
A-RA-1964 RAS-1964, RF12, RS-62, RH-68 where applicable, RT-66, RC-64, FD-12 and period catering/clothing plus block propulsion, sensors and weapons
A-RA-1987 RAS-1987, RF28, RS-91, RH-68 where applicable, RT-66, RC-64, FD-28 and period catering/clothing plus block propulsion, sensors and weapons
A-RA-2008 RAS-2008, RF46, RS-11, RH-05 where applicable, RT-01, RC-06, EFB-6, AC-21 or CC-11 and applicable RAM-05/RCM-08/SB-6/NC-9/WF-5 stores plus block propulsion, sensors and weapons
A-WA-1906 WAS-1906, Ward WP4, WS-18, Ward field tools and WC-14 plus block propulsion and weapons
A-WA-1928 WAS-1928, WP12, WS-18, Ward cabin stores where applicable, Ward field tools, WC-14, AB-4 and applicable contemporary provisions plus block propulsion and weapons
A-SA-1950 SAS-1950, SF9, SS-49, state cabin where applicable, ST-52, SC-48, AB-14 and FR-6 plus block propulsion and weapons
A-SA-1976 SAS-1976, SF24 or SF38, SS-76, SH-72 where applicable, ST-82, SC-48/SC-90, AB-14 and applicable FR-6/AM-12/TI-9/WF-3 stores plus block propulsion and weapons
A-SA-2002 SAS-2002, SF52, SS-03, SH-04 where applicable, ST-82, SC-90, EF-8, AC-18 or CC-9 and applicable AM-12/TI-9/WF-3 stores plus block propulsion, sensors and weapons

Political costs and opposition

Common aircraft standards, certified suppliers and controlled substitutions protect crews and simplify maintenance across Republic, civil and allied fleets, but they make entry expensive for small manufacturers and slow the adoption of cheaper components. A firm can possess a technically sound part and still lose the contract because it lacks the approved test history, security status or support chain.

Domestic production preserves strategic autonomy and skilled work while tying public money to qualified primes and long-lived tooling. Civil airlines and customers may pay more for a domestic component, and exporters can lose markets when a military or neutral-country restriction applies to a dual-use system. The compromise is block-based approval, dual-use suppliers and emergency substitutions recorded in the catalogue, accepting delay and cost in exchange for traceable safety.

Catalogue control

An allowance substitution is valid only when an aircraft block record names it. Emergency repairs may use a later approved sealant, fastener or instrument, but the aircraft history must record the repair and date. Museum restorations are not evidence of operational fit. Civil catering varies by operator, but the aircraft allowance records the certified galley, potable-water and restraint equipment; operator-branded food is an operating store rather than an airworthiness component.

Source metadata and relationships
Status
canonical
As of
2026-06-30
Publisher
National Business Register
Last reviewed
2026-07-31
Type
canonical-register
ID
SRC-INDUSTRY-AVIATION-MANUFACTURING-AND-SYSTEMS

Scope: Canonical industry reference for Aviation Manufacturing and Systems.

Authoritative for: aviation-manufacturing-and-systems

Dependencies

  • None declared.

Supersedes

  • None declared.

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