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 SA385ALInstallation of rudder centering device in lieu of ventral fin. *This approval includes PA20S models with Lycoming O-320, 150 hp engine installed per an appropriate STC.M R Borer Aircraft Svc · Jul 21, 1970STC SA383SOInstallation of Bendix M-4C auto-pilot flight control system.Bendix Corporation Avionics Div · Jul 14, 1970STC SH5-25Installation of tundra snow shoes.ERA Helicopters, Inc · Jul 14, 1970STC SA2188WEInstallation of JAS No. 1 moveable canopy on 75 series aircraft modified by FAA approved hopper installation in lieu of front seat and with Pratt & Whitney R-985 engine installed.Johnston Aircraft Service · Jul 9, 1970STC SA2165WEInstallation of altitude preselect and alerting system (SP-50G Altitude Preselect System).Sperry Flight System Div · Jul 8, 1970STC SA2187WEModification of inflatable slide International Inflatables emergency escape chute kit#KP 684.Steward-Davis, Inc · Jul 7, 1970STC SA388SOMetalize wings, wing landing/taxi light installation.W F Robinson · Jul 2, 1970STC SA1-2601014C-C radome assembly for 22 inch Collins antenna.Chamberlain Aviation Inc · Jun 30, 1970STC SH446EAInstallation of Franklin engine Model 6V-350B in Fairchild Hiller UH-12A helicopter.Franklin Engine Co Inc · Jun 30, 1970STC SA782EAInstallation of Lamar, Inc. Model LSM-1 engine speed monitor.Lamar, Incorporated · Jun 26, 1970STC SA2178WEInstallation of liquid spray system.Aviation Specialties Inc · Jun 25, 1970STC SA2195WEInterior arrangement modification.Continental Airlines Inc · Jun 25, 1970STC SA827EARelocation of fire-wall fuel and hydraulic system shut-off valves.Butler Aviation-Friendship Inc · Jun 25, 1970STC SA1-577Installation of Sensenich control- lable pitch propeller Model CS3FM4/C374E.Peters Theodore J · Jun 24, 1970STC SA831EAInstallation of three Flite-Tronics PC-17 static inverters and one Jet Electronics & Technology, Inc. emergency power supply, Model PS-800.Atlantic Aviation Corporation · Jun 24, 1970STC SA87CEDorsal fin.Reuterskiold Kenneth · Jun 24, 1970STC SA360EAInstallation of Franklin Engine Co Inc Model 6A-335-B engine with McCauley 2A31C21/84S-8 propeller and new engine mount and associated componentsFranklin Engine Co Inc · Jun 19, 1970STC SA565EA-DInstall emergency evacuation slide lights for station 990American Airlines Inc · Jun 17, 1970STC SA4-4317-inch windows.Grand Central Aircraft Co · Jun 6, 1970STC SA802EAInstallation of Win Air Service PT-T-4-1 rivets in Grumman Model44 control surface ribs-elevator rudder and aileron, covered with Grade 'A' cotton fabric.Win Air Svc Co Inc · Jun 6, 1970STC SE984SWDelco 55A ampere alternator. (C85 SERIES Suffix F Series)Waldrop Lee A · Jun 6, 1970STC SA1-338Underseat radar scope mounts for: RCA 5-inch AVQ-50, Collins 4-inch WP-103, and RCA 5-inch AVQ-55/AVQ-20.Chamberlain Aviation Inc · Jun 5, 1970STC SA1-48216-inch x 17-inch opening in lower surface of fuselage.Reading Avn Svc Inc · Jun 5, 1970STC SA1-597Collins WP-103 antenna mounts for 12-inch WP-103 antenna and 18-inch WP-103 antenna.Chamberlain Aviation Inc · Jun 5, 1970STC SA1-643Radar antenna mounts: 296-01 for 12-inch Collins WP-103 antenna; 296-03 12-inch RCA AVQ-55 antenna and 296-02for 12-inch RCA AVQ-50 antenna.Chamberlain Aviation Inc · Jun 5, 1970STC SA1316WEUnderwing pressure refueling system and Roylin Magna Stick fuel level indicator.Aircraft Tank Service Inc · Jun 5, 1970STC SA2157WEInstallation of 242 passenger seating arrangement.Universal Airlines · Jun 5, 1970STC SA258SWCamera and camera view finder opening in main cabin floor of 30-inch x 39-inch maximum dimension.Reading Avn Svc Inc · Jun 5, 1970STC SA4-1041Alternate fuel source in aircraft with Pratt & Whitney R-2800 Series C engines and fuel flowmeters.Jay- Dee Aircraft Supply Co · Jun 5, 1970STC SA4-914Goodrich multidisc brakes and Westinghouse 'Decelostat' anti- skid controller type AP-3 on aircraft modified per STC SA4-582.D Napier & Son Ltd · Jun 5, 1970STC SA1-39Recovering of wings with metal skin, .020 inch 24ST alclad, except ailerons.Boone County Aviation, Inc · Jun 4, 1970STC SA826EAReplacement of lead-acid batteries with sonotone nickel-cadmium batteries.Aviation Aids & Technical Service Company · Jun 3, 1970STC SA1323WEFabric on ailerons, elevators, flaps and rudder with pop rivets.Aircraft Technical Service Inc · Jun 1, 1970STC SA2062WEInstallation of Lycoming IO-540-R1A5 engine and Rajay turbosuperchargers.Piper Aircraft Corporation · Jun 1, 1970STC SA687SOInstallation of flight attitude alerting system.Aircraft Instruments Inc · Jun 1, 1970STC SA9CEInstallation of M4B or M4C flight control system.Bendix Corporation Avionics Div · Jun 1, 1970STC SP790SWSeal carrier and 'O' ring seals.Southern Aviation Corp · Jun 1, 1970STC SA2162WEFabrication and installation of blanks in lieu of passenger com- partment windows (glass fiber epoxy laminate reinforced with0.080 x 7075T6 aluminum edge).Steward-Davis, Inc · May 27, 1970STC SA2170WEInstallation of class divider. (727-2B7)AiResearch Aviation Co · May 27, 1970STC SH375ALInstallation of Airglas model L2700-47J skis.Airglas Engineering Company, Inc. · May 26, 1970STC SA484EAInstallation of under seat deck avionics equipment shelf.Atlantic Aviation Corporation · May 25, 1970STC SA2159WEInstallation of General Precision Laboratories GPK-1000 doppler radar systems.Pacific Airmotive Corp · May 22, 1970STC SA900WEInstallation of turbosupercharged Lycoming GO-480-F2D6 engine.Western Commander, Inc · May 20, 1970STC SH367ALInstallation of Alaskan Sky-Craft Co. cargo baskets.Alaskan Sky-Craft Co · May 20, 1970STC SA703CEInstall aileron and wing fences and booster tips per STC SA573SW.Chrencik Dr Edward W · May 19, 1970STC SA821EAInstallation of Stol Aircraft Corporation fuel cell.Stol Aircraft Corporation · May 19, 1970STC SA1073SWInstallation of Fiberglass fuselage skin.Fiberglsss Specialties · May 18, 1970STC SA1143SWRedesigned muffler assemblies.Comisky Engineering Co Inc · May 15, 1970STC SA503EA-D1) Add additional first class passenger seats and class divider. 2) Add two additional coat closets in Zone CAmerican Airlines Inc · May 11, 1970STC SA10PCInterior seating arrangement to provide convertible passenger- cargo capability.Air America Inc · May 6, 1970