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 SA257NEAddition of master test switch for warning lights in cockpit.Georgetown Aircraft Serv · May 3, 1985STC SE133NEIncorporation of Hamilton Standard EDM 110-3 Engine Data MultiplexerUnited Technologies · May 3, 1985STC SA1507NMInstallation of a Litton LTN-211 Omega navigation system.Douglas Aircraft Co, Inc · May 1, 1985STC SA2104CEInstallation of external baggage compartment on the bottom of the fuselage.Butler National Corporation,Avcon Div · May 1, 1985STC SA54NE-DInstallation of Trans Com Video projection system. (747-212B)Pan American World Airways Inc · May 1, 1985STC SH2930NMInstallation of an electronic weighting system.Measurement Systems Intl · May 1, 1985STC SA340NEInstallation of a single global navigation sys. GNS-1000 integrated flight management system W/A NBB-2 data base.Stead Aviation Corp · Apr 30, 1985STC SA5926SWInstallation of flight crew seat.Falcon Jet Corporation · Apr 30, 1985STC SA5927SWInstallation of flight crew seat.Falcon Jet Corporation · Apr 30, 1985STC SA255NMInstallation of KS Avionics EGT/CHT-2( ) combined exhaust gas and cylinder head temperature monitoring system.K S Avionics Inc · Apr 29, 1985STC SE319NEInstallation of 'auto-vac 2' backup instrument vacuum system.Raymond Ives · Apr 29, 1985STC SA1854SWInstallation of Sperry AA-220 radio altimeter.Page AvJet Corp · Apr 26, 1985STC SA1981SWInstallation of Sperry SPI-77G flight director system.Page AvJet Corp · Apr 26, 1985STC SA2098CEOperation of airplane on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Intermixing with aviation gasoline also approved.Petersen Aviation Inc · Apr 26, 1985STC SA2376SWInstallation of Sperry SPI 80/81 flight director.Page AvJet Corp · Apr 26, 1985STC SA2693SWInstallation of Collins AL-101 radio altimeters system.Page AvJet Corp · Apr 26, 1985STC SA2800SWInstallation of Fairchild flight recorder 5424-501.Page AvJet Corp · Apr 26, 1985STC SA2925SWInstallation of three (3) position autopilot V.G. switching.Page AvJet Corp · Apr 26, 1985STC SA2927SWInstallation of four (4) position navigation switching unit.Page AvJet Corp · Apr 26, 1985STC SA4283SWFabrication and installation of INS accessory unit.Page AvJet Corp · Apr 26, 1985STC SA5545SWInstallation of Universal Navigation UNS-1 flight management system.Page AvJet Corp · Apr 26, 1985STC SA5389SW-DInstallation of S-TEC manual electric trim system, Model ST-282.S-TEC Corporation · Apr 25, 1985STC SA897GLInstall a passenger cabin entry door telescoping street.Fischer Brothers Avn Inc · Apr 25, 1985STC SE5924SWInstallation of stainless steel replacement exhaust studs on AVCO engines.Perrigo & Steele Aircraft Engr Company · Apr 24, 1985STC SE2094CEAdd the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Intermixing with aviation gasoline also approved.Petersen Aviation Inc · Apr 23, 1985STC SH5768SWInstallation of dual electric powered air conditioners.Advanced Flight System, Inc · Apr 23, 1985STC SA2567NMInstallation of dual Universal UNS-1 flight management systems, dual UNC Omega/VLF sensors, one Litton LTN-91 inertial reference sensor and dual Collins Model DME's.Universal Navigation Corp · Apr 22, 1985STC SA5747SWManufacture of Wall Colmonoy muffler P/N PI M006 which is interchangeable with Piper P/N 12433-14 and 12433-15.Wall Colmonoy Corp · Apr 22, 1985STC SA895GLInstall top wing, center section fairing. (G-164B S/N 401 AND UP)Vincent S Buraas · Apr 22, 1985STC SE336NEAdd the following approved fuel: unleaded automotive gas 87 min. antiknock index.Tecnomotion · Apr 22, 1985STC SA2566NMInstallation of fuel transfer indicator light system.Amphibians West · Apr 19, 1985STC SA2926NMInstallation iof a camera port and an optical portFlightcraft Inc · Apr 19, 1985STC SH1757SOAn airframe mounted lubrication oil scavenge filter is installed in the existing scavenge system.Aircraft Porous Media, Inc · Apr 19, 1985STC SA1759SOModification of the Master Warning Panel.Gulfstream Aerospace Corporation · Apr 18, 1985STC SA2565NMRelocate cylinder head temperature probe to cylinder number 3.Mission Aviation Fellowship · Apr 16, 1985STC SA2676NMInstallation of external hinged-plate spoilers and dive brakes.Thompson Aero Products · Apr 16, 1985STC SA337NEInstallation of Canadian Marconi CMA-776 status display sys.CMC Electronics Inc · Apr 15, 1985STC SA786GLInstallation of a dual Honeywell laser navigation system.Gulfstream Aerospace Corporation · Apr 13, 1985STC SA1774SOInstallation of a TIO-540-J2B or TIO-540-J2BD Lycoming engine on the left side and LTIO-540-J2B or LTIO-540-J2BD Lycoming engine on the right side.Southern Express Airways, Inc · Apr 12, 1985STC SH5919SWModification of skid landing gear to use Spinks SU-10 ground handling gear.Spinks Industries, Inc · Apr 11, 1985STC SA1228EAInstallation of speed command of attitude/thrust, fuel performance computer plus provisions for wind shear monitor sys.Safe Flight Instrument Corp · Apr 9, 1985STC SA1228NEInstallation of speed command of attitude/thrust, fuel performance computer plus provisions for wind shear monitor system.Safe Flight Instrument Corp · Apr 9, 1985STC SA5917SWInstallation of dual Tracor 7800 Omega/VLF navigation system.Tracor Aerospace Austin Inc · Apr 9, 1985STC SH1775SOInstallation of Wright R-1300-3 engine.Orlando Heli Airways Inc · Apr 8, 1985STC SA5101SW-DS-TEC System 60 single axis automatic flight guidance system model ST-109.S-TEC Corporation · Apr 3, 1985STC SA5213SW-DInstallation of S-TEC System 60 pitch stabilization system Model ST-111 with optional electric trim system.S-TEC Corporation · Apr 3, 1985STC SA2854SWInstallation of leading edge cuffs, stall fences, aileron seals, and wing tips.Bob Williams · Apr 2, 1985STC SA1938WEInstallation of Madras Air Service 'Super Tips.'Madras Air Service · Mar 29, 1985STC SA2703NMInstallation of replacement exhaust system riser.Heliarc Welding Service Inc. · Mar 28, 1985STC SA2704NMInstallation of replacement exhaust system riser.Heliarc Welding Service Inc. · Mar 28, 1985