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 SA2-289Installation of electronic equipment rack.Sierra Industries, Inc · Dec 1, 1999STC SA2-340Installation of co-pilot's brake system.Sierra Industries, Inc · Dec 1, 1999STC SA2-369Installation of radar antenna, radome nose, and fairing.Sierra Industries, Inc · Dec 1, 1999STC SA2-393Modification of nose structure from fuselage station 13 to fuselage station 545.Sierra Industries, Inc · Dec 1, 1999STC SA2-443Modification of brake system by installing Goodyear 9541104 brakes, Goodyear 9541344 wheels, and Howard Aero, Inc. P-2953-0 hydraulic brake pressure booster.Sierra Industries, Inc · Dec 1, 1999STC SA2-455Complete modification of aircraftSierra Industries, Inc · Dec 1, 1999STC SA2-480Installation of Pratt & Whitney R2800-83AM10 engines, Hamilton Standard 23E-50/6801-54S propellers and cowling modifications.Sierra Industries, Inc · Dec 1, 1999STC SA2-481Installation of airspeed systemSierra Industries, Inc · Dec 1, 1999STC SA2-482Installation of rudder and elevator spring tab.Sierra Industries, Inc · Dec 1, 1999STC SA2-498Modification of structure, systems, and equipment to incorporate cabin pressurization, wing center section extended 26 inches, and installation of rudder hydraulic boost system.Sierra Industries, Inc · Dec 1, 1999STC SA2-499Installation of Sport brake system.Sierra Industries, Inc · Dec 1, 1999STC SA2-500Fuselage modification, including lengthening fuselage 72 inchesSierra Industries, Inc · Dec 1, 1999STC SA2-561Conversion of tail gear actuating cylinder to O ring, type seal.Sierra Industries, Inc · Dec 1, 1999STC SA2-570Modification of Rudeer Trim Tab assembly by installation Howard Aero, Inc. rudder trim tab spar and rudder trim tab horn assembly.Sierra Industries, Inc · Dec 1, 1999STC SA2-583Installation of emergency hydraulic system.Sierra Industries, Inc · Dec 1, 1999STC SA2-589Installation of wing tip mounted pitot mats and relocation of airspeed static source.Sierra Industries, Inc · Dec 1, 1999STC SA2-601Modification of brake system by installing a Westinghouse AH-5 decelostat controller.Sierra Industries, Inc · Dec 1, 1999STC SA2-611Modification of wing flap cylinder to incorporate O ring seals.Sierra Industries, Inc · Dec 1, 1999STC SA2-659Installation of emergency brake system.Sierra Industries, Inc · Dec 1, 1999STC SA2-691Flap track and wing trailing edge modification.Sierra Industries, Inc · Dec 1, 1999STC SA2-7Installation of heater and 200-ampere generator. Approved for installation on serial number 6313 ONLY.Sierra Industries Inc · Dec 1, 1999STC SA2-730Installation of Pratt & Whitney R-2800-52WD engines with Hamilton Standard 24E60-45/7037A-50 propeller and associated powerplant changes. Eligible on serial number 15-1478 only.Sierra Industries, Inc · Dec 1, 1999STC SA2-739Installation of picture window.Sierra Industries, Inc · Dec 1, 1999STC SA2-800Modification of wing flap hydraulic system by installing flap restrictor valveSierra Industries, Inc · Dec 1, 1999STC SA2-801Increase landing gear extension speed when doublers for landing gear door are installedSierra Industries, Inc · Dec 1, 1999STC SA2-821Installation of integral oil tanksSierra Industries, Inc · Dec 1, 1999STC SA2-869Installation of propeller spinner with propeller hub 23E50.Sierra Industries, Inc · Dec 1, 1999STC SA2-879Interior modification.Sierra Industries, Inc · Dec 1, 1999STC SA2-898Modification of structure, systems, and equipment to incorporate cabin pressurationSierra Industries, Inc · Dec 1, 1999STC SA2-918Installation of radio rack.Sierra Industries, Inc · Dec 1, 1999STC SA212SWInstallation of ground air conditionerSierra Industries, Inc · Dec 1, 1999STC SA228SWInstallation of underwing exhaust systemSierra Industries, Inc · Dec 1, 1999STC SA2304SWReplacement of plunger type landing gear squat switch with rotary type switch.Sierra Industries, Inc · Dec 1, 1999STC SA232SWOuter wing panel extensionSierra Industries, Inc · Dec 1, 1999STC SA2498SWInstallation of Collins FPC-75 ground proximity warning system.Sierra Industries, Inc · Dec 1, 1999STC SA2499SWInstallation of Dual Collins INS-61B Inertial Navigation System with DME Update on No. 1 INS and Manual Update on No 2 INSSierra Industries, Inc · Dec 1, 1999STC SA2726SWInstallation of 6-pole rotary squat switches.Sierra Industries, Inc · Dec 1, 1999STC SA2773SWInstallation of Avionic Systems.Sierra Industries, Inc · Dec 1, 1999STC SA2795SWInstallation of removable airstair.Sierra Industries, Inc · Dec 1, 1999STC SA2803SWInstallation of seat support subfloor beams and tracks.Sierra Industries, Inc · Dec 1, 1999STC SA2805SWInstallation of Dual Delco Carousel IVA Inertial Navigation Systems.Sierra Industries, Inc · Dec 1, 1999STC SA282SWInstall deicer boots and airspeedSierra Industries, Inc · Dec 1, 1999STC SA2830SWInstallation of ONTRAC III VLF Navigation System for enroute IFRSierra Industries, Inc · Dec 1, 1999STC SA286SWModify aircraftSierra Industries, Inc · Dec 1, 1999STC SA2930SWReplacement of the following avionics systems: Dual VHF Comm, VHF Nav, Loc, G.S. and transponder, Single Marker, ADF, DME and Weather RadarSierra Industries, Inc · Dec 1, 1999STC SA309SWInstallation of elevator nose down spring and relief system. STC SA2-455 basic Super Ventura mod required.Sierra Industries, Inc · Dec 1, 1999STC SA3572SWInstallation of executive interior, air conditioning system, oxygen system, passenger and galley elevators, provisions for airstair, Class B cargo compartments, water system, and modification of electrical system. Approved for installation on 747-300 serial number 23070 ONLY.Sierra Industries, Inc · Dec 1, 1999STC SA3654SWInstall Lear Siegler performance data computer system.Sierra Industries, Inc · Dec 1, 1999STC SA3802SWExecutive interior installedSierra Industries, Inc · Dec 1, 1999STC SA3832NMStructural floor modification to facilitate an executive interior.Sierra Industries, Inc · Dec 1, 1999