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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duckdb -csv -c "SELECT stc_number, description, holder, status, status_date
  FROM 'https://openairdocs.org/data/latest/faa_stc.parquet'
  ORDER BY status_date DESC NULLS LAST, stc_number"

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STC SA746NWInstallation of steel reinforcement angles on nose gear attach castingC & P Aircraft · Apr 6, 1979STC SA437SOInstallation of Bendix FCS-810 automatic flight control system, including manual electric trim and optional flight director indicator.Bendix Corporation Avionics Div · Apr 4, 1979STC SA299GLInstallation of Cessna Nav-O-Matic200A autopilot.Galesburg, AP & L · Apr 2, 1979STC SA3337WEInstallation of ventral air skeg.Walker Engineering Co · Apr 2, 1979STC SA3680WEInstallation of centerline external air skeg.Walker Engineering Co · Apr 2, 1979STC SA735NWInstsallation of IFR instrument panelFlightcraft Inc · Apr 2, 1979STC SA3880WEModifications to permit an increase in maximum allowable zeo fuel weight.G S Rasmussen · Mar 28, 1979STC SA3527WEInstallation of single or dual Litton LTN-201 omega navigation systems.Litton Systems, Inc · Mar 26, 1979STC SA3755WEInstallation of a single Litton LTN-51 inertial navigation system, a single Litton LTN-211 omega navi- gation system and a true airspeed system.Litton Systems, Inc · Mar 23, 1979STC SE1057SOInstallation of capacitance type probe with oil quantity indicating system in oil tank.Aircraft Equipment Certification Corporation · Mar 23, 1979STC SA1478CEInstallation of pitot heater failure indication system. (707-131B) (707-331B)Trans World Airlines Inc · Mar 22, 1979STC SA294GLInstall Cleveland wheel 40-97A and brake 30-63A.Weber's Aero Repair, Inc · Mar 22, 1979STC SA1477CEStructural plug installation in right side of forward fuselage when camera door is removed.Avcon Industries Inc · Mar 21, 1979STC SA3854WEInstallation of Tracor 7640A ONS.Transinternational Airlines · Mar 21, 1979STC SH734NWInstallation of an Onboard Weighing System.Onboard Weighing Systems · Mar 21, 1979STC SA3541WEInstallation of Armour Plate Glass windshields.Staggerwing Museum Foundation Inc. · Mar 20, 1979STC SA3542WEInstallation of Armour Plate Glass windshields.Staggerwing Museum Foundation Inc. · Mar 20, 1979STC SA3543WEInstallation of Armour Plate Glass windshields.Staggerwing Museum Foundation Inc. · Mar 20, 1979STC SA3545WEInstallation of Armour Plate Glass windshield.Staggerwing Museum Foundation Inc. · Mar 20, 1979STC SA3546WEInstallation of Armour Plate Glass windshields.Staggerwing Museum Foundation Inc. · Mar 20, 1979STC SA3886WEInstallation of Aerospace Controls Corp. No. 1922 air conditioning air conditioning system. (S2R AS MODIFIED UNDER STC SA3227WE)Marsh Aviation Company · Mar 20, 1979STC SA3875WEInstallation of Continental Air Lines flight attendant seat, P/N 225-46317.Continental Airlines Inc · Mar 16, 1979STC SH543NWInstallation of Bell 205 type cyclic gripWeyerhaeuser Company · Mar 16, 1979STC SA1053SOInstallation of FCS-870 automatic flight control system, including manual electric trim, optional yaw damper system, and optional flight director.Bendix Corporation Avionics Div · Mar 13, 1979STC SA1054SOInstallation of Bendix NP-2041A area navigation computer programmer.Bendix Corporation Avionics Div · Mar 13, 1979STC SA716NWInstallation of two Hartzell HC-E3YR-2ATF/FC7663-2R propellers with number D3273P spinners on Lycoming TIO-540-C1A enginesLogan and Reavis Air Service · Mar 13, 1979STC SA731NWInstallation of a cargo doorAviation Inspection & Repair Inc · Mar 13, 1979STC SA730NWInstallation of modified seat base attachment for 8th seat placeAir Puyallup Inc · Mar 12, 1979STC SA29CELycoming O-360-A1D engine with Hartzell HC-92ZK-2B/8447-12A or HC-C2YK-2R/7666-4 propellers.Reed Jackson M. · Mar 9, 1979STC SA3878WEInstallation of Eldec engine fuel flow and totalizer system.AiResearch Aivation Service Co · Mar 8, 1979STC SA1475CEInstallation of Simmonds Precision performance advisory system (fuel management). (727-231)Trans World Airlines Inc · Mar 6, 1979STC SA3876WEInstallation of Alvis Leonides engine and Dowty Rotol(c)R284/3-20-3/8 constant speed propeller. (G-164B RESTRICTED CATEGORY)Serv-Aero Engineering Inc · Mar 6, 1979STC SA3603WEInstallation of fire retardant tanks.Waig Aircraft, Inc · Mar 5, 1979STC SA729NWInstallation of a left wing, rear spar to fuselage attach repair procedureCollins Aviation Inc · Mar 2, 1979STC SA724NWInstallation of a Lycoming GO-480-B1D engine, Hartzell HC-83X20-2CL/L8433-H propeller, new nacelle, engine mount, modified rear spar, Motorola Model 24N35 (35 amp) alternator with a Leice Neviel MA-2 Adapter and associated systemsJerry Poole · Mar 1, 1979STC SA2920SOInstallation of BKM pilot heat monitor system.BKM Systems · Feb 28, 1979STC SA126CEInstall Hartzell Model HC-A3XF-2B/7636D or HC-A3VF-2B/V7636D or HC-A3VF-2B/V7636N or PHC-A3XF-2B/7636D or PHC-A3VF-2B/V7636D or PHC-A3VF-2B/V7636N propellers with Woodward Model 210355 or 210438 governors.Hartzell Propeller, Inc · Feb 26, 1979STC SA674NWInstallation of a Continental engine, McCauley propellerAircraft Specialties, Inc. · Feb 23, 1979STC SA718NWInstallation of seat tracks in main cabin floorFlight Structures Inc. · Feb 23, 1979STC SA719NWInstallationo f an aft mounted (Sta. 190 to 247) ski carrier rackFlightcraft Inc · Feb 23, 1979STC SA3869WEModifications to permit an increase in maximum allowable zero fuel weight.G S Rasmussen · Feb 20, 1979STC SH717NWInstallation of Simplex Model 4500 spray system.Simplex Manufacturing Co · Feb 20, 1979STC SA715NWInstallation of wing fabric attachment clipsSkymotive Inc · Feb 16, 1979STC SA699NWInstallation of a Lycoming O-320-E3D engine, Sensenich 74DN6-O-60 propeller, throttle quadrant controls (Piper P/N 65850-00) and quadrant pedistal, and associated systemsLarry Gross · Feb 13, 1979STC SA1473CEInstallation of Tull microwave landing system with modified King KX175B and KN 73 receivers.Wilcox Electric, Inc · Feb 12, 1979STC ST484SOInstallation of cargo restraining bulkhead.Aeronautical Engineers, Inc · Feb 12, 1979STC SA3862WEShorten vertical leg of the control column 1-1/4 inches to provide clearance for additional avionics equipment in the instrument panel. (182 NORMAL CATEGORY)Big Bear Avionics · Feb 6, 1979STC SA564NWInstallation of a Beech Model P35 Instrument Panel Kit No. 35-693Collins Aviation Service · Feb 6, 1979STC SA3452WEInstallation of Lycoming IO-720-A1B engine and Hartzell HC-C3YR-1RF/ F8475R constant speed propeller.Johnston Aircraft Svc Inc · Feb 5, 1979STC SA3793WEInstallation of Tracor 7640A ONS.Transinternational Airlines · Feb 2, 1979