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 SH214WEInstallation of external neutron detector moduel and associated cockpit displays.E G & G, Incorporated · Apr 18, 1978STC SA1409CERewire battery isolation relay system.Wells Aircraft, Inc · Apr 14, 1978STC SA345NWRemoval of one or two main cabin doorsLogan and Reavis Air Inc · Apr 14, 1978STC SA3623WEInstallation of stretcher carrier P/N 2003.Air Medic, Inc · Apr 13, 1978STC SA978SOInstallation of NP-2041A area navigation computer programmer.Bendix Corporation Avionics Div · Apr 12, 1978STC SA979SOInstallation of Bendix FCS-870automatic flight control system including manual electric pitch trim and optional yaw damper and optional flight director.Bendix Corporation Avionics Div · Apr 12, 1978STC SE81WEInstallation of two Rajay turbo- chargers, Model 325EF80, P/N 0330-1 and -2, and 9 lb. +- 1 lb. sonic nozzle on Lycoming engine Model IO-540-S1A5.Aerostar Aircraft Corporation · Apr 11, 1978STC SA230GLInstallation of single piece front and lower cowl.Larsen Industries · Apr 10, 1978STC SA3622WEModifications to add installation provisions for twin aerial survey cameras in the belly of the airplane.Mark Hurd Aerial Surveys, Inc. · Apr 10, 1978STC SA444CEConversion of Goodyear L6H/MBD wheel to Rawdon Brothers T2A-2650 wheel.Spinks Industries · Apr 7, 1978STC SH2746SWModification of four emergency exit panels.Petroleum Helicopters Inc · Apr 4, 1978STC SA1431WEInstallation of rudder trim system.Robertson Aircraft Corp · Apr 2, 1978STC SA10NEInstallation of a 'back-up' passenger seat restraining system.SAGE Corp · Mar 30, 1978STC ST974SOInstallation of extra crew seating and air distribution system.Bellomy-Lawson Aviation Inc · Mar 29, 1978STC SA136RMRemoval of existing nose cone,P/N 95-410011-3 and replacement with later model nose cone,Beech P/N 95-410021-605.Spanish Fork Flying Service Inc · Mar 28, 1978STC SA150GLInstall Norton Company radome Kit No. 4131X.Norton Company, Performance Plactics · Mar 28, 1978STC SA42GLInstall Norton Company radome kit No. 3060X.Norton Company, Performance Plactics · Mar 28, 1978STC SA490EAInstallation of Chamberlain Radome Kit No. 3060K-B for Bendix radar RDR-100 or RDR-110 systems.Norton Company · Mar 28, 1978STC SA111RMModify exhaust stacks by installing straight slip joint.Heliarc Welding Service Inc. · Mar 27, 1978STC SA23NEInstallation of aluminum grating on cargo door at fuselage station539.75.SAGE Corp · Mar 27, 1978STC SA3611WEModification to permit increase in maximum allowable zero fuel weight.G S Rasmussen · Mar 27, 1978STC SA3612WEModifications to permit increase in maximum allowable zero fuel weight.Balz G W · Mar 27, 1978STC SA3618WERelocation of forward airstair to rear left hand type 1 exit.American Jet Industries · Mar 27, 1978STC SA625ALInstall fiberglass wing tip assembly.Charles C Center · Mar 27, 1978STC SA118GLInstallation of Huron Aviation Products alternator, P/N 10346 and regulator, P/N 10316.Pampe Robert E · Mar 23, 1978STC SA232GLInstallation of Huron Aviation Products alternator, P/N 10346, and regulator, P/N 10316.Pampe Robert E · Mar 23, 1978STC SA2853WERetractable tiedown assemblies.H Koch & Sons · Mar 23, 1978STC SA572NWInstallation of a Lycoming GO-480-C1D6 engine, Hartzell HC-83X20-2A/9333C-3 three bladed propeller, modified carburetor heat box, modified engine mount and cowling, oil radiator with flush type ram air inlet and external scoop, modified cowl flap, paper carburator air filter and duel battery systemClover Park Vocational/Technical Institute · Mar 22, 1978STC ST752SOModification of main cabin passenger seating arrangement.Eastern Airlines, Inc · Mar 22, 1978STC SA1404CERestricted category tanker conversionCentral Air Services · Mar 21, 1978STC SA3512WEInstallation of stretcher carrier, P/N 2003.Air Medic, Inc · Mar 21, 1978STC SA624ALInstall fiberglass wing tip assembly.Charles C Center · Mar 21, 1978STC SA626ALInstall fiberglass wing tip assembly.Charles C Center · Mar 21, 1978STC SA35RMInstallation of Bendix FCS-810 autopilot, a trim adapter and Bendix HSD-830 compass.Aircraft Radio & Accessory Company Inc · Mar 20, 1978STC SA229GLInstallation of Lycoming O-235-C1, O-235-C1C, O-235-C2A, O-235-C2B or O-235-C2C.Larsen Industries · Mar 16, 1978STC SA3596WEReplace existing one-piece entry door with a two-piece door with integral steps in the lower half.American Jet Industries · Mar 15, 1978STC SA3272SW-DMitchell automatic flight system AK501 consisting of Century III autopilot with optional radio and glide slope couplers.Mitchell Industries, Inc · Mar 10, 1978STC SA3601WEInstallation of a single Collins INS 61B inertial navigation system. (707-347C)Western Airlines, Inc · Mar 10, 1978STC SA573NWInstallation of a Continental O-200-A engine, Sensenich M69CK/6952 propeller, PA-11 engine mount and cowling, PA-11 windshield, PA-18 flaps, PA-18 balanced horizontal tail surfaces, wing leading edge cuff modification kit, and PA-18 fuel systemJerry Burr · Mar 10, 1978STC SA1361CEChrome plated brake disc installation.Engineering Plating & Processing, Inc. · Mar 6, 1978STC SA3602WEInstallation of vapor cycle airconditioning system.Dynamic Air Engr Inc · Mar 6, 1978STC SH226GLInstallation of Lycoming VO-435-A1F engine.Agri Helicopter, Inc · Mar 6, 1978STC SH227GLInstallation of Lycoming VO-435-A1F engine.Agri Helicopter, Inc · Mar 6, 1978STC SH95WEInstallation of low profile spray system.Simplex Manufacturing Co · Mar 6, 1978STC SA135RMInstallation of Leach P/N V110-D-032-AC overvoltage relays.Frontier Airlines Inc · Mar 3, 1978STC SA116GLInstallation of Global GNS-500A VLF/OMEGA navigation system.Onan Corporation · Mar 2, 1978STC SA1352CEChrome-plated brake disc installation.Engineering Plating & Processing, Inc. · Mar 2, 1978STC SA1316CEChrome-plated brake disc installation.Engineering Plating & Processing, Inc. · Mar 1, 1978STC SA1317CEChrome-plated brake disc installation.Engineering Plating & Processing, Inc. · Mar 1, 1978STC SA21NEInstallation of Whelen A600-PR and A600-PG anti-collision strobe with forward and tail position light assemblies as replacements for wing tip lights.Whelen Engineering Co Inc · Mar 1, 1978