Supplemental type certificates

49,120 STCs, most recently changed first. Search by what an STC changes, its holder or a model.

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STC SH1657SWFull length, hard surface, skid shoes on standard skid landing gear.Northrop Worldwide Aircraft · Jun 18, 1973STC ST540SOInstallation includes: four interior overhead emergency lights powered by power supply located in forward fuselage; exterior overwing emergency light in wing fillet, one on each side, powered by power supply in aft fuselage; emergency light control switches installed in both flight and passenger compartments.Survival Products Inc · Jun 15, 1973STC SA2699WEONE ONLY STC, S/N 864: Installation of clear air turbulence measurement instrumentation system.Continental Airlines Inc · Jun 12, 1973STC SA1673SWBattery isolation system.AiResearch Aivation Service Co · Jun 11, 1973STC SA1138WEInstallation of fire warning monitoring circuit in engine fire detection system. (707-227, 720-027)Celesco Industries · Jun 8, 1973STC SA1551WEInstallation of fire warning moni- toring circuit in engine fire detection system. (707-331)Celesco Industries · Jun 8, 1973STC SA1555WEInstallation of fire warning elec- trical monitoring circuit in engine fire detection system. (707-321)Celesco Industries · Jun 8, 1973STC SA1696WEInstallation of engine mounts P/N VIP 50525-1 and VIP 50545-1.Vibration Isolation Products, Inc · Jun 7, 1973STC SA2707WEInstallation of cabin lounge seats, folding tables, cart stowage unit, and class divider partition.National Airlines, Inc · Jun 6, 1973STC SH1700SWHard surface skid shoes.Northrop Worldwide Aircraft · Jun 6, 1973STC SA4-761GC-1-3 heavy duty 'bubble' windshield.Aircraft Windshield Co · Jun 4, 1973STC SA643CEInstall center section spar reinforcement kit. (H18 BA680, -618 THRU -710 AND -712 THRU -722)Jourdan Ray M · Jun 1, 1973STC SA2534WEInstallation of Cessna 310P-type fiberglass tail stinger and yaw reduction adapter.Aerocessories Company · May 30, 1973STC SA2694WEModification for installation of: nose and wingtip instrumentation boom provisions; research apparatus mounting provisions; dropsonde dispenser; increased breathing oxygen provisions and research electrical system.University Corporation for Atmospheric Research · May 30, 1973STC SA2695WEModification for installation of: nose instrumentation boom and wingtip instrumentation boom. Modification per STC SA2694WE is required prior to this modification.University Corporation for Atmospheric Research · May 30, 1973STC SA1665SWFabricate and install bar assembly.Ward Intl Aircraft Service · May 29, 1973STC SA2697WEModification including those airplanes further modified per STC SA1096WE for turbo propeller power for installation of cargo door, cargo floor and cargo lining.American Jet Industries · May 25, 1973STC SA4-1090Installation of R-985 series engines modified in accordance with STC SE4-865 in lieu of original engines.Export Airmotive, Inc · May 25, 1973STC SA4-981Installation of R-985 series engine modified in accordance with STC SE4-864 in lieu of original engines.Export Airmotive, Inc · May 25, 1973STC SA2053WEAn adjustable lateral trim capability through spring bungee control of aileron per Strato Engineering Company.Consulting Aerospace Engineers Inc · May 23, 1973STC SA2438WEInstallation of spar reinforcing steel straps, on aircraft previously modified per STC SA1747WE.Consulting Aerospace Engineers Inc · May 23, 1973STC SA533SOInstallation of hull booster plates, booster fouler and stiffener plate, S/N 246 and subsequent.Lawrence H Bradway · May 22, 1973STC ST731SOInstallation of automatic in-flight lock for ventral stair-door.Eastern Airlines, Inc · May 18, 1973STC SA537SOInstallation of Bendix YD-4 yaw damper.Bendix Corporation Avionics Div · May 15, 1973STC SA2689WEInstallation of horizontal situation indicator. (L-1011-385-1 193K)Court Line Aviation · May 11, 1973STC SA1650SWReplacement of military surplus AT-6 seat with Snow Engineering Company seat assembly 10136-1.Snow Engineering Company · May 7, 1973STC SA1651SWReplacement of military surplus AT-6 seat with Snow Engineering Company seat assembly 10136-1.Snow Engineering Company · May 7, 1973STC SA1652SWReplacement of military surplus AT-6 seat with Snow Engineering Company seat assembly 10136-1.Snow Engineering Company · May 7, 1973STC SA36NWInstallation of Sundstrand Ground Proximity Warning SystemSundstrand Data Control Inc · May 7, 1973STC SA1630SWInstallation of revised exhaust system.McWilliams Karl D · May 5, 1973STC SA1699SWInstallation of Solar T-62T-39 turbine APUJSF Aviation Services Inc. · May 4, 1973STC SA954EAInstallation of battery isolation system.Atlantic Aviation Corporation · May 4, 1973STC SA1649SWCamera installation.A D Howard Jr · May 1, 1973STC SA2-880Installation of nacelle changes and exhaust system changes using existing 0-478-B or 0-470-M engines.Aerocessories Company · May 1, 1973STC SA2-903Manufacture and installation of 1/4 inch thick plexiglass windshieldAerocessories Company · May 1, 1973STC SA1191SWInstallation of jump seat.Associated-Page-Interiors Inc. · Apr 27, 1973STC SA433SOInstallation of Bendix Model M4C flight control system.Bendix Corporation Avionics Div · Apr 27, 1973STC SA618SOInstallation of M-4B or M-4C auto- matic flight control systems.Bendix Corporation Avionics Div · Apr 27, 1973STC SA632SOInstallation of Bendix Model M-4C automatic flight control system, including manual electric trim.Bendix Corporation Avionics Div · Apr 27, 1973STC SA994SWInstallation of Pratt & Whitney R-1340 engine and Hamilton Standard12D40/6101-12 propeller.Grumman American Avn Corp · Apr 19, 1973STC SA935EAInstallation of window in bottom of fuselage at F. Station 35.5.Long Island Airways · Apr 18, 1973STC SA38NWInstallation of a Pratt and Whitney R985-AN3 engine, Hamilton Standard 2D30/6101A-12 propeller, BE-18 exhaust collector and carburetor heat system, Beech 18 oil cooler, oil tank (5 gallon) and BT-13 wheels and brakesJenkins, J. S. · Apr 16, 1973STC SA936EAInstallation of expanded digital flight data recorder system. (747-121)Pan American World Airways, Inc · Apr 13, 1973STC ST534SOInterior - two pallet cargo/65 passenger MAC configuration installed. (727-25C)Eastern Airlines, Inc · Apr 13, 1973STC SA17GLInstallation of Bendix FCS-810 autopilot.Hartzog Aviation, Inc · Apr 12, 1973STC SA952EAInstallation of Solar T-62T-39 gas turbine auxiliary power unit.Butler Aviation-Friendship Inc · Apr 11, 1973STC SA37NWInstallation of a Continental O-200-A engine, a McCauley propeller and a Whelan strobe lightFarmin & Brown · Apr 9, 1973STC SA2NEInstallation of Cleveland wheels and brakes, 7.00-6 or 6.00-6, C38500-HA, 40-6, in accordance with S.V. Scherbon modifications, 3/6/73, on several models of Piper aircraft.Scherbon William V. · Apr 5, 1973STC SA111SW200,000 B.T.U. Janitrol S-200 heater in tail section.Ward Intl Aircraft Service · Apr 1, 1973STC SA119SWInterior modification.Ward Intl Aircraft Service · Apr 1, 1973