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 SA4-497Increase in flight speed - flaps extended.Sierra Industries, Inc · Dec 1, 1999STC SA4000SWInstallation of dual Carousel IVA INS System.Sierra Industries, Inc · Dec 1, 1999STC SA4010SWInstallation of Subfloor seat mounting structureSierra Industries, Inc · Dec 1, 1999STC SA4025SWStructural provisions of mid-lavatory service pan.Sierra Industries, Inc · Dec 1, 1999STC SA40SWModification of PV-1 oil tank to 24 U.S. gallons.Sierra Industries, Inc · Dec 1, 1999STC SA4102SWInstallation of Airstair. Approved for installation on Boeing 707-138B, serial number 18334 ONLY.S & K Engineering · Dec 1, 1999STC SA4141SWInstallation of AiResearch APU Model GTCP-85-98Sierra Industries, Inc · Dec 1, 1999STC SA4148SWInstallation of Dual Collins AL101 Radio Altimeter Systems, Category I operation.Sierra Industries, Inc · Dec 1, 1999STC SA4149SWInstallation of Collins FPC-75 Ground Proximity Warning System.Sierra Industries, Inc · Dec 1, 1999STC SA4150SWInstallation of Dual Carousel IV A Inertial Navigation System.Sierra Industries, Inc · Dec 1, 1999STC SA4151SWInstallation of Teledyne angle of attack system.Sierra Industries, Inc · Dec 1, 1999STC SA4156SWInstallation of aft airstair.Sierra Industries, Inc · Dec 1, 1999STC SA415SWModification to main landing gear struts to qualify aircraft for 48,000 lbs. landing weightSierra Industries, Inc · Dec 1, 1999STC SA4305SWInstallation of rear radio rack.Sierra Industries, Inc · Dec 1, 1999STC SA4326SWStructural provisions for mid-lavatory service panel.Sierra Industries, Inc · Dec 1, 1999STC SA4479SWInstallation of dual global VLF/Omega systems, GNS-500A-III.Sierra Industries, Inc · Dec 1, 1999STC SA4480SWInstallation of Collins H.F. Communications Systems, Model 718U-5M.Sierra Industries, Inc · Dec 1, 1999STC SA4481SWInstallation of 2-inch standby altimeter and 2-inch standby mach airspeed indicatorSierra Industries, Inc · Dec 1, 1999STC SA4482SWInstallation of Baker passenger address system and autoflite passenger briefing system.Sierra Industries, Inc · Dec 1, 1999STC SA4483SWInstallation of Dual H.T. Instruments Electric Clock.Sierra Industries, Inc · Dec 1, 1999STC SA4484SWInstallation of Motorola Selcal System, Model NA-135.Sierra Industries, Inc · Dec 1, 1999STC SA4485SWInstallation of J.E.T. PS-835 emergency power system.Sierra Industries, Inc · Dec 1, 1999STC SA4486SWInstallation of Sundstrand cockpit voice recorder, Model AV-557-C.Sierra Industries, Inc · Dec 1, 1999STC SA4489SWInstallation of Dual Collins radio altimeters, ALT-55.Sierra Industries, Inc · Dec 1, 1999STC SA4490SWInstallation of RCA weather radar, Primus 400 and Data NAV III.Sierra Industries, Inc · Dec 1, 1999STC SA4491SWInstallation of Delco Carousel IV-AX inertial navigation system.Sierra Industries, Inc · Dec 1, 1999STC SA4492SWInstallation of Dual Collins transponders, TDR-90.Sierra Industries, Inc · Dec 1, 1999STC SA4493SWInstallation of Dual Collins DME transceivers, DME-40.Sierra Industries, Inc · Dec 1, 1999STC SA4494SWInstallation of Wulfsburg Flitefone IIIC, Airborne telephone system.Sierra Industries, Inc · Dec 1, 1999STC SA4495SWInstallation of Dual Baker electronics audio systems, Model M1035-CEKR.Sierra Industries, Inc · Dec 1, 1999STC SA4496SWInstallation of Collins flight profile advisory FPA-80.Sierra Industries, Inc · Dec 1, 1999STC SA4497SWInstallation of J.E.T. emergency horizon and power supply.Sierra Industries, Inc · Dec 1, 1999STC SA4498SWInstallation of three (3) Collins VHF communications transceivers Model VHF-20BSierra Industries, Inc · Dec 1, 1999STC SA4499SWInstallation of Dual Collins ADF-60 systems.Sierra Industries, Inc · Dec 1, 1999STC SA449SWModification of aircraft to pressurized configurationSierra Industries, Inc · Dec 1, 1999STC SA4500SWInstallation of three (3) Collins VHF Navigation receivers, Model VIR-30Sierra Industries, Inc · Dec 1, 1999STC SA4501SWInstallation of Navigation switching system.Sierra Industries, Inc · Dec 1, 1999STC SA4502SWInstallation of directional gyro switching.Sierra Industries, Inc · Dec 1, 1999STC SA4503SWInstallation of vertical gyro switching.Sierra Industries, Inc · Dec 1, 1999STC SA4507SWInstallation of oxygen systemSierra Industries, Inc · Dec 1, 1999STC SA4510SWInstallation of Endevco engine vibration system.Sierra Industries, Inc · Dec 1, 1999STC SA4569SWStructural installation of supplemental water tanks.Sierra Industries, Inc · Dec 1, 1999STC SA4571SWInstallation of Collins FCS-80 flight control system with Sperry Instruments and Collins ADS-80 air data system.Sierra Industries, Inc · Dec 1, 1999STC SA468SWInstallation of electric lavatory.Sierra Industries, Inc · Dec 1, 1999STC SA46SWInstallation of cockpit windows and windshield.Sierra Industries, Inc · Dec 1, 1999STC SA4701SWExecutive interiorSierra Industries, Inc · Dec 1, 1999STC SA4796SWInstallation of Instrument switching system.Sierra Industries, Inc · Dec 1, 1999STC SA4797SWInstallation of Dual Delco Carousel inertial navigation system.Sierra Industries, Inc · Dec 1, 1999STC SA4798SWInstallation of Navigation switching system.Sierra Industries, Inc · Dec 1, 1999STC SA4799SWInstallation of Collins LRN-85 VLF/OMEGA Navigation system.Sierra Industries, Inc · Dec 1, 1999