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 SA420NWInstallation of cargo pac (Reference Drawing Number 0700067) and Pee Kay Ventral Fin with Pee Kay Seaplane FloatsRenton Aviation Inc · Mar 17, 1977STC SA985CE-DSide cargo door and interior installation. (720-023B)Boeing Company · Mar 17, 1977STC SA414NWInstallation of Lycoming O-360-A1F6D engine and McCauley propeller and associated systemsSalem Aviation · Mar 15, 1977STC SH422NWInstallation of electrical sensors on each main rotor blade to monitor blade integrity in flight.Columbia Helicopters · Mar 14, 1977STC SA158GLInstallation of engine fiberglass cowling.Aero Fabricators Co · Mar 10, 1977STC SA3367WEInstallation of nine-abreast coach seating and associated oxygen and electrical system modification.Continental Airlines Inc · Mar 10, 1977STC SA3368WEInstallation of eight-abreast coach seating in forward cabin behind the first class section, and associated oxygen and electrical system modifications.Continental Airlines Inc · Mar 10, 1977STC SA415NWInstallation of EDO Model Wb-5030 floats.Jobmaster Company Inc · Mar 10, 1977STC SA416NWInstallation of EDO Model 61-5870 floats.Jobmaster Company Inc · Mar 10, 1977STC SA417NWInstallation of EDO Model Ya-6235 floats.Jobmaster Company Inc · Mar 10, 1977STC SA3348WERecognition light installation on horizontal stabilizer.Devore Aviation Corp · Mar 7, 1977STC SA493ALInstall leading edge cuff.Center Clinton C · Mar 4, 1977STC SA496ALInstallation of leading edge cuff. (PA-14 Seaplanes)Center Charles C · Mar 4, 1977STC SA542ALInstallation of leading edge cuff.Crosswinds STOL · Mar 4, 1977STC SA596ALInstall Hartzell propeller Model HC-C2YL-1BF/F8468-8R.Wick Air Inc. · Mar 4, 1977STC SA757SOInstallation of emergency exit RH fuselage at F.S. 49-76, and permanent closure of three existing overhead exits.Puerto Rico Intl Airlines Inc · Mar 4, 1977STC SA412NWInstallation of #40-97A Cleveland wheels and #30-63A brakesAbdo Michael J · Mar 3, 1977STC SA509SOInstallation of Bendix FCS-810 automatic flight control system including manual electric trim and optional flight director indicator.Bendix Corporation Avionics Div · Mar 3, 1977STC SA121CENose and main gear wheel fairing(Jetstreams) using standard unaltered Cessna landing gear and nose gear fork for model and year using 500 x 5 nose and 600 x 6 main gear tires.Creative Designs · Mar 1, 1977STC SA1327CEInstallation of Bendix ONS-25-5 Omega navigation system for updating primary self-contained naviagation system. (707-331)Trans World Airlines Inc · Mar 1, 1977STC SA688SWAngle of attack system.Continental Develop Corporation · Mar 1, 1977STC SA532ALInstallation of Lycoming O-360-A2A engine.Center Charles C · Feb 25, 1977STC SA553ALInstallation of O-360 Lycoming engine.Center Charles C · Feb 25, 1977STC SA610ALInstall Avco Lycoming O-360-A2A engine.Charles C Center · Feb 25, 1977STC SA346NWInstallation of a three bladed McCauley 3A32C76-N/S-82NB-2 propeller with a Woodward A210680 governor on a Continental IO-470-N engineH. A. Parsons DBA Aircraft Specialties · Feb 24, 1977STC ST925SOManufacture of main landing gear door arm for Fan Jet Falcon Series airplane.Aircraft Equipment Certification Corporation · Feb 24, 1977STC SA1368WEInstallation of Lycoming IO-540 series engines.Riley Turbostream Corp · Feb 23, 1977STC SA409NWInstallation of a Continental O-470K oil pan on a Continental O-470L engineSessler, Jay L. · Feb 23, 1977STC SA814EAInstallation of Fairchild Company voice recorder Model A100 and control unit A151 and Lockheed Corp. flight recorder Model 109C.Dassault Falcon Jet · Feb 22, 1977STC SA923SOInstallation of Bendix FCS-870 automatic flight control system.Bendix Corporation Avionics Div · Feb 17, 1977STC SA924SOInstallation of Bendix NP-2041A area navigation computer.Bendix Corporation Avionics Div · Feb 17, 1977STC SA152GLInstallation of X band weather radome only on models with Convair22-71001-1 support assembly(bulk-head assembly).Norton Company, Performance Plactics · Feb 16, 1977STC SA153GLInstallation of X band weather radome only on models with Convair 22-71001-1 support assembly (bulk-head assembly). (30A 990)Norton Company, Performance Plactics · Feb 16, 1977STC SA154GLInstallation of Norton radome kit,No. 4132X.Norton Company, Performance Plactics · Feb 16, 1977STC SA408NWInstallation of a Lycoming IO-360-A1A engine and Hartzell HC-c2YK-1B/7666-2 propellerSky Services Inc · Feb 16, 1977STC SA2408SWInstallation of three-place couch side facing with toilet.Ward Intl Aircraft Service · Feb 14, 1977STC SA407NWInstallation of a Brittian Model B-4 flight control systemCollins Aviation Inc · Feb 11, 1977STC SA3331WEInstallation of stretcher carrier AM2003.Air Medic, Inc · Feb 8, 1977STC SA3332WEInstallation of stretcher carrier AM 2003.Air Medic, Inc · Feb 8, 1977STC SA3333WEInstallation of stretcher carrier AM 2003.Air Medic, Inc · Feb 8, 1977STC SA401NWInstallation of a Beech P-35 instrument panel with modified lower panel for switches and circuit breakersCollins Aviation Inc · Feb 2, 1977STC SA520ALInstallation of leading edge cuff stall fences, tip fences.Crosswinds STOL · Feb 2, 1977STC SA1230CE-DPassenger cabin contemporary interior installation. (707-338C)Boeing Company · Feb 1, 1977STC SA148GLInstallation of radome kit 4088X.Norton Company, Performance Plactics · Jan 31, 1977STC SA402NWInstallation of a Prestolit Alternator and electrical systemAviation Inspection & Repair Inc · Jan 31, 1977STC ST921SOFabrication and installation of baggage stowage rack, P/N 325100.Delta Airlines Inc · Jan 28, 1977STC SA3294WEModification by installation of dual mach/airspeed warning system.US Airways, Inc · Jan 20, 1977STC SA399NWModify type design by installation of Sorm Bulk Liquid Cargo Tank Assembly SI-9101Sorm Inc · Jan 20, 1977STC ST914SOInstallation of cargo floor. (707-321)Aeronautical Engineers, Inc · Jan 19, 1977STC SA3320WEInstallation of radio altimeter system No. 1. (707-138B)Aviation Service & Support Corporation · Jan 17, 1977