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 SA2-1167Installation of Dual Jato.STC SA2-1170Installation of de-icer boot vacuum system.STC SA2-118Installation of short horizontal stabilizer tips and related equipment.STC SA2-1181Installation of flap speed restricting system L-18.STC SA2-128Increase incidence of horizontal stabilizer.STC SA2-129Exhaust system revised.STC SA2-130Fuel system installed.STC SA2-14Aircraft structure altered.STC SA2-145Installation of commode-hassock.STC SA2-148Install aft baggage compartment support structure.STC SA2-1517Centersection structural rework.STC SA2-1518Rudder and aileron interconnect installation.STC SA2-1521Installation of fuel dump systems.STC SA2-1522Modification of powerplant installation.STC SA2-1523Propeller autofeathering system installation.STC SA2-1531Installation of wing tips and related equipment.STC SA2-1532Installation of stall warning system.STC SA2-1538Replaced the wing flap fabric covering with aluminum sheet.STC SA2-154Installation of L712006-502 or503 Airspeed System.STC SA2-1553Stall warning system.STC SA2-1554Increase gross weight to 22,050 pounds takeoff and 20,500 pounds landing.STC SA2-1571Installation of PV-1 oil tank modified to 20 US gallons.STC SA2-163Installation of airspeed systemSTC SA2-164Installation of Grimes rotating beacon P/N G5-790B or G-6965-2.STC SA2-185Installation of rudder spring tab.STC SA2-193Rework exhaust system.STC SA2-201A section of the forward spar inside fuselage altered.STC SA2-22Install 2 each 3/8 O.D. lines from LH nacelle to RH firewall.STC SA2-220Cockpit side windows enlarged and structure altered.STC SA2-222Installation of aircraft type door.STC SA2-228The generator system rewired to accommodate a 200-amp load and equipment.STC SA2-229The anti-icer system is altered.STC SA2-234Installation of Janitrol heater Model S-200, 200,000 BTU in aft baggage compartment Station 730-796, LH sideSTC SA2-238The anti-icer system altered to incorporate all anti-icer fluid into one tank rather than the original four-tank systemSTC SA2-248Installation of 200 amp generator systemSTC SA2-249Alter cabin windows on R.H. side of fuselage.STC SA2-250Alter cabin windows on R.H. side of fuselage.STC SA2-251Warren McArthur chair model 225 installed in cockpit for pilot and co-pilot chairs.STC SA2-26Installed 3/8 O.D. line from RH propeller governor pad on RH engine to LH propeller pad on LH engine.STC SA2-27Installation of Stewart Warner Model 940 heater. (LOCKHEED 18 S/N 2548; 2588 only)STC SA2-274Installation of propeller spinner.STC SA2-277Installation of radar antenna, radome nose and fairing.STC SA2-282The exhaust tail pipe installed.STC SA2-286Installation of three-place divan.STC SA2-290Installation of radio rack.STC SA2-303Installation of Sperry A-12 autopilot.STC SA2-306Installation of L-18 radome kit.STC SA2-307Installation of exhaust trough and short stack using standard nacelle.STC SA2-310Installation of auxiliary electric hydraulic pump.STC SA2-313Installation of 100,000 BTU Janitrol Heater in nose. (LOCKHEED 18 S/N 2477; 2309 only)