Supplemental type certificates

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

Query with SQL
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"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

STC SA191NEReplace original brake discs with discs modified in accordance with Roland Longarzo procedure.Orel Aviation, Inc · Oct 4, 1984STC SA2665NMRemoval of existing inverted oil system and installation of Christen Industries Model 801 Series Inverted Oil System,Roy G. Kogle · Oct 4, 1984STC SA835GLModification of underwing fuel quantity gages, Accessory Prod. Co. P/N 727100 (Lockheed P/N LAC 634063) by removing spring and poppet valve and installing a petcock P/N CCA-1550 (TSO-C76).Zantop Intn'l Airlines, Inc · Oct 4, 1984STC SA5343SW-DInstallation of S-TEC System 40/50 single and two axis automatic flight guidance systems, Model ST-247-40/50.S-TEC Corporation · Oct 3, 1984STC SA5344SW-DInstallation of S-TEC System 40/50, single and two axis automatic flight guidance systems, Model ST-247-40/50.S-TEC Corporation · Oct 3, 1984STC SA2025CEInstallation of baggage compartment in aft fuselage.Midcoast Aviation Inc · Oct 2, 1984STC SA5341SW-DInstallation of S-TEC System 60 single axis automatic flight guidance system, Model ST-244.S-TEC Corporation · Oct 2, 1984STC SA5342SW-DInstallation of S-TEC System 60 single axis automatic flight guidance system, Model ST-244.S-TEC Corporation · Oct 2, 1984STC SE2016CEAdd the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index(RON+MON)/2.Petersen Aviation Inc · Oct 2, 1984STC SA2495SWInstallation of Pratt & Whitney R-985-AN-1 or AN-14B engineAir Spares · Oct 1, 1984STC SA2496SWInstallation of wing leading edge cuffs.Air Spares · Oct 1, 1984STC SA2523NMInstallation of lowered stream- lined spray booms.Johnston Aircraft Svc, Inc · Oct 1, 1984STC SA2524NMInstallation of lowered streamlined spray booms. (A188B RESTRICTED CATEGORY)Johnston Aircraft Svc, Inc · Oct 1, 1984STC SA280NEInstallation of a Collins electronic flight instrument system (EFIS).Teterboro Aircraft Svc · Sep 28, 1984STC SA5816SWInstallation of Cockpit Carpet Heating System.Falcon Jet Corporation · Sep 28, 1984STC SA5817SWInstallation of EFIS Master System.Falcon Jet Corporation · Sep 28, 1984STC SH1684SOInstallation of a three (3) place couch (divan) within passenger compartment.Advanced Technology & Research Inc · Sep 27, 1984STC SH295NEInstallation of Novatech TSR-16 engine parameter time sequence recorder, P/N 720C0010J.Atlantic Aviation Corporation · Sep 27, 1984STC SA2024CESide facing lavatory seat installation.Midcoast Aviation, Inc · Sep 26, 1984STC SA1585SOInstallation of engine fire detection system.Armtec Industries, Inc · Sep 24, 1984STC SA1586SOInstallation of engine fire detection system.Armtec Industries, Inc · Sep 24, 1984STC SA2640NMInstallation of Jack Nagel Sliding Bubble CanopyCharles Lischer Jr. · Sep 24, 1984STC SA274NEInstallation of Canadian Marconi CME 776 static display system.Canadian Marconi Company · Sep 24, 1984STC SA292NEInstallation of a Global GNS-500A series 3B VLF/Omega navigation system.Stead Aviation Corp · Sep 21, 1984STC SA293NEInstallation of a Canadian Marconi CMA-734A Omega System.Stead Aviation Corp · Sep 21, 1984STC SE2514NMInstallation of Schwitzer Model4LD turbocharger.Douthitt Robert · Sep 21, 1984STC SA1680SOInstallation of an adjustable nine-inch trim tab on the left aileron.Aero Trim, Inc · Sep 20, 1984STC SA4919SWInstallation of 6-inch nose wheels and tires including modification of gear door, bracketry, relocation of miscellaneous items.Falcon Jet Corporation · Sep 20, 1984STC SA1645SOInstallation of ITT Neo-Dyn autofeathering switches as alternatives to the CCC auto- feathering switches.Atlantic Southeast Airlines, Inc. · Sep 19, 1984STC SA281NEInstallation of R-1830-92 engine in place of R-1830-90C and removal of two speed supercharger speed controls.Northern Airways, Inc · Sep 19, 1984STC SA4982SWTailspring bolt-up modification.Lyon Flying Service Inc · Sep 19, 1984STC SA5131SW-DS-TEC System 60 single axis automatic flight guidance system ST-097.S-TEC Corporation · Sep 19, 1984STC SA5703SWInstallation of avionics systems.Clark Engineering Service · Sep 19, 1984STC SA2660NMInstall a Teledyne continental IO-470-N engine, a McCauley 2A36C23/84B-0 Propeller, and miscellaneous partsCollins Aviation Service · Sep 18, 1984STC SE80NEInstallation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less.Bel-Ray Company, Inc · Sep 18, 1984STC SA5795SWInstallation of Colllns YDS-80 Series Yaw Damper SystemFalcon Jet Corporation · Sep 17, 1984STC SA2508NMInstallation of Lycoming IO-360-C106 engine, Hartzell HC-C2YK-IBF / F7666A-2 constant speed propeller, and other associated components.Watson John · Sep 14, 1984STC SA294NEInstallation of General Electric CT7-5A1 engines.Fairchild Republic Co · Sep 14, 1984STC SE5791SWInstallation of any or all engine components parts or modifications on Avco 0-235 series engines.Airmotive Engineering Corp · Sep 14, 1984STC SA2504NMInstallation of power brake valve.Tempco Engr, Inc · Sep 11, 1984STC SA5002SW-DFM radio installation, aircraft6971 and 6972. (707-153B)Boeing Aerospace Company · Sep 11, 1984STC SA5339SW-DInstallation of S-TEC System 60 pitch stabilization system, Model ST-246 with optional automatic electric trim system.S-TEC Corporation · Sep 11, 1984STC SA5340SW-DInstallation of S-TEC System 60 pitch stabilization system, Model ST-246, with optional automatic electric trim system.S-TEC Corporation · Sep 11, 1984STC SA810GLInstallation of start valve indication system.Republic Airlines, Inc. · Sep 11, 1984STC SA1053SWInstallation of Mitchell automatic flight system model AK287 consisting of Century III autopilot with optional automatic pitch trim and radio coupler.Century Flight Systems Inc · Sep 7, 1984STC SA291NEInstallation of a Safe Flight Instrument wind shear warning system.Stead Aviation Corp · Sep 7, 1984STC SA228GLInstallation of Lycoming O-320-D3G engine in lieu of Lycoming O-320- E3D engine using original installation hardware and components.Young W Irvine · Sep 6, 1984STC SE318GLInstallation of a fuel flow transducer.Shadin Company Inc · Sep 6, 1984STC SA5336SW-DInstallation of S-TEC System 60 pitch stabilization system, Model ST-242, with optional automatic electric trim system.S-TEC Corporation · Sep 5, 1984STC SA5337SW-DInstallation of S-TEC System 60 pitch stabilization system, Model ST-242, with optional automatic electric trim system.S-TEC Corporation · Sep 5, 1984