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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.

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

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

STC SA900SOInstallation of cabin air conditioning.Rudder Dwight Kerry · May 31, 1976 STC SA591EAInstallation of Radome Part Part No. 3084X.Norton Company, Performance Plactics · May 28, 1976 STC SA865EAInstallation of radome kit 2031KX.Norton Company, Performance Plactics · May 28, 1976 STC ST751SOModification of main cabin passenger interior configuration from 14 first class and 89 tourist class to 12 first class and 95 tourist class accommodations. (727-25, -25C)Eastern Airlines, Inc · May 28, 1976 STC SA995SOInstallation of external reservoir brake system.Patterson F W Jr · May 27, 1976 STC SA673EAInstallation of radome kit 3058X.Norton Company, Performance Plactics · May 26, 1976 STC SA75RMInstallation of Mapco Closet ModuleFrontier Airlines Inc · May 26, 1976 STC SA983CE-DCargo door and interior installation non-convertible air freighter. (707-123B)Boeing Company · May 24, 1976 STC SA70GLInstallation of Norton radome kit 4067X.Norton Company, Performance Plactics · May 21, 1976 STC SA74RMModification of floor and bottom fuselage for water and chemical tank installation.Hawkins & Powers Avn Inc · May 21, 1976 STC SA114GLInstallation of Norton Radome Kit 3097X.Norton Company, Performance Plactics · May 20, 1976 STC SA3198WEInstallation of Garrett TFE 731 engine synchronizer/EMI filter - engine speed.AiResearch Aivation Service Co · May 20, 1976 STC SA3196WEInstallation of Lycoming O-320-DIA engine, Hartzell HC-C2YL-1BF/F7663-4 or Hartzell HC-C2YL-1BF/8468A-8R propeller and associated powerplant components.Grodahl John · May 19, 1976 STC SA3199WECargo handling system installation.Pemco Engineers, Inc · May 19, 1976 STC SA20RMInstall Westinghouse J-34-WE36 jet engines on top of center line of fuselage.Hawkins & Powers Avn Inc · May 18, 1976 STC SA301NWInstallation of a larger electrical generating system, with additional circuit breakers, per AVCON Industries, Inc. Drawing 17005A; and installation of a one piece windshieldGladden, David · May 18, 1976 STC SA117GLInstallation of cabin temperature control system.Wilkins Ned · May 17, 1976 STC SA2310SWInstallation of wheel and brake advisory system.Braniff Airways, Inc · May 17, 1976 STC SA291NWInstallation of a Jacobs R-755-9 engine and a Hamilton Standard 2B20/6135-15 propellerCoriell, Kenneth · May 14, 1976 STC SA1-118Installation of Hartzell Propellers with and without unfeathering kit.Hartzell Propeller, Inc · May 12, 1976 STC SA3195WEInstallation of Lycoming O-540-A4B5 engine, Hartzell HC-C2YK-1BF/F8477-4 propeller and associated powerplant componentsJohn K McGuyer · May 12, 1976 STC SA3190WEInstallation of wing tip fences. (V35B UTILITY CATEGORY)John Pixton Enterprises · May 11, 1976 STC SA3191WEInstallation of wing tip fences. (A35, B35, C35, D35, E35, F35, G35 UTILITY CATEGORY) (35 NORMAL OR UTILITY CATEGORY)John Pixton Enterprises · May 11, 1976 STC SA279NWInstallation of 89 passenger seating arrangementAeroAmerica, Inc · May 10, 1976 STC SA73RMInstallation of Harzell HC-B3 (Z, P,R or W) 30-1 hubs with corres- ponding Hartzell 10160-6, 10152-51/2 or 10152-7 1/2 prop. blades.Ron's Air Service Inc · May 7, 1976 STC SA1213CEInstallation of EDO 582-3430 floats.Stephens Bros Plumbing, Inc. · May 1, 1976 STC SA891CERelocate optical window port.Avcon Industries Inc · May 1, 1976 STC SA3141WEInstallation of AiResearch GTCP85-98, -98C or -98CK auxiliary power unit to supply starting air and 400400 HZ power.Reeve Aleutian Airways, Inc · Apr 30, 1976 STC SA3152WEInstallation of cargo door only.American Jet Industries · Apr 29, 1976 STC SA3159WEInstallation of cargo floor and interior. (188A s/n 1035 and up)American Jet Industries · Apr 29, 1976 STC SA3132SW-DInstallation of Mitchell Automatic Flight System Model AK451 consisting of Century III Autopilot with Optional Command Automatic Electronic Pitch Trim, Radio Coupler and Glide Slope CouplerMitchell Industries, Inc., dba Edo-Aire Mitchell · Apr 22, 1976 STC SA896SOInstallation of Bendix M-4D auto matic flight control system including optional manual electric pitch trim and optional flight director system.Bendix Corporation Avionics Div · Apr 22, 1976 STC SA3176WEInstallation of Litton Aero Products digital ground proximity proximity warning system.Litton Systems, Inc · Apr 21, 1976 STC SA3123WEInstallation of cargo container P/N 10-1000.Container Development · Apr 19, 1976 STC SA180NWInstallation for 149 passenger configuration.AeroAmerica, Inc · Apr 16, 1976 STC SA396EAInstallation of Radome Kit No. 2310X-R.Norton Company, Performance Plactics · Apr 15, 1976 STC ST892SORemoval of main cabin door. (Lockheed 18 -56)Stewart Harold D · Apr 13, 1976 STC SA281NWInstallation of squared off rectangular wing tipsPointer, Ned A. · Apr 6, 1976 STC SA274NWReplacement of the left forward side window (pilots' compartment) with a plexiglas dome (0.250 in. thickness)WAC Corporation Inc · Apr 5, 1976 STC SA3167WEInstallation of dual Litton LTN-51 inertial navigation systems.Litton Systems, Inc · Apr 5, 1976 STC SA280NWInstallation of an instrumentation boomJoppa, Robert G. · Apr 2, 1976 STC SG228NWInstallation of an EZ 1-16 Blanik tail-wheel assembly.Brown A/C Company · Apr 2, 1976 STC SA1185CEInstallation of Collins AP-107 (2 axis) autopilot system and interface with Collins FD-112V flight director.Collins Radio Group · Apr 1, 1976 STC SA1186CEInstallation of Collins AP-107(2 axis) autopilot system and interface with Collins FD-112V flight director.Collins Radio Group · Apr 1, 1976 STC SA1206CEOuter wing panel reinforcement.Jourdan Ray M · Apr 1, 1976 STC SA3125WEInstallation of lower wing skin straps, lower spar doubler straps and engine mount pickup strap doublers.Winters Aircraft Engr Co · Apr 1, 1976 STC SA1167CEInstallation of AP 107 autopilot(2 axis). Serials 301 and subsequent.Collins Radio Group · Mar 29, 1976 STC SA578ALInstall PA-18 wing flaps on PA-12.Hendrick David M. · Mar 26, 1976 STC SA1090CE-DInstallation of Collins Radio Group AP-107 3-axis autopilot system and interface with Collins FD-112 flight director indicator.Collins Radio Group · Mar 24, 1976 STC SA1104CE-DInstallation of Collins Radio Group AP-107, 2-axis autopilot system and interface with Collins FD-112 flight director indicator.Collins Radio Group · Mar 24, 1976