OpenAirDocs.org
TCDS 3A20

STCs approved under this data sheet · 616

Current certificates first, most recently changed first.

Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date
  FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s
  WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE tcds_number = '3A20')
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.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 SA1295NWInstallation of an additional landing gear warning horn silence switch on the pilot's control wheelFlightcraft IncSTC SA3042SW-DInstallation of Mitchell automatic flight system model AK456 or AK456FD consisting of Century IV autopilot or Century IV flight director autopilot with optional remote annuciator panel.Century Flight Systems IncSTC SA192NEInstallation of a Novatech TSR-16engine parameter time sequence recorder.Atlantic Aviation CorporationSTC SA2003CEFlight inspection console installation, structural provisions only.Butler National Corporation,Avcon DivSTC SA1640SWInstallation of Mitchell automatic flight system AK422/FD consisting of Century IV autopilot/flight director with command electric trim.Century Flight Systems IncSTC SA1517SWInstallation of Mitchell automatic flight system model YK384 consisting of yaw damperCentury Flight Systems IncSTC SA1454SWInstallation of Mitchell automatic flight system model FD/AP282-318 consisting of flight director/autopilot with optional automatic command trim.Century Flight Systems IncSTC SA1458SWInstallation of Mitchell automatic flight system AK318 consisting of Century III autopilot with optional automatic pitch trim, radio coupler, and glide slope coupler.Century Flight Systems IncSTC SA1494SWInstallation of Mitchell flight director remote annunciator Model AK375.Century Flight Systems IncSTC SA1244SWInstallation of Mitchell automatic flight system model FD/AP282-313 consisting of flight/director/autopilot and automatic pitch trim.Century Flight Systems IncSTC SA1813SWInstallation of battery temperature sensing and indicating system.Aero Instrument Division of Crites Industries IncSTC SA651SWInstallation of Mitchell automatic flight system Model AK206,consisting of Century III autopilot with optional automatic pitch trim, automatic aileron stabilizer, and radio coupler.Century Flight Systems IncSTC SA761SWInstallation of Mitchell automatic flight model AK238 consisting of Century III autopilot with optional automatic pitch trim and radio coupler.Century Flight Systems IncSTC SA767SWInstallation of Mitchell automatic flight system Model AK239 consisting of Century III autopilot with optional automatic pitch trim system and radio coupler.Century Flight Systems IncSTC SA3115SW-DInstallation of Mitchell Automatic Flight System Model AK585, Century IV Autopilot or AK585FD, Century IV Flight Director AutopilotCentury Flight Systems IncSTC SA3114SW-DInstallation of Mitchell Automatic Flight System Model AK548Century Flight Systems IncSTC SA3266SW-DInstallation of Mitchell automatic flight system model AK725 consisting of Century III autopilot with optional radio coupler and glide slope couplerCentury Flight Systems IncSTC SA3294SW-DInstallation of Yaw damper system model YK384.Century Flight Systems IncSTC SA2201NMInstallation of Eldec Corp. 9-320998-01 mass fuel flow indicating system.ELDEC CorporationSTC SA5470SWInstallation of Frakes cowling.Frakes Aviation, IncSTC SA3369SW-DAutomatic flight system YK835consisting of yaw damper system.Century Flight Systems IncSTC SA3379SW-DMitchell automatic flight system AK878 consisting of Century 41autopilot or AK878 FD consisting of Century 41 flight director autopilot.Century Flight Systems IncSTC SA5437SWInstallation of PT6A-11 or -11AC engines with Frakes lower cowling and modification of cabin pressurization system for engine bleed air pressurization.Frakes Aviation, IncSTC SA1853CEInstallation inverter rack mounted on seat tracks.Avcon Division/Butler National CorporationSTC SA2465SWHodification of air conditioner motor according to Master Drawing List SZ-38-000, Rev. D dated 9/15/77, or later FAA approved revision.Zee Systems, IncSTC SA1805CEInstallation of AN/AAS-36 infrared detecting system.B & M Aviation Industries, IncSTC SA566NWInstallation of parachute deployment static line attachment system.USDA Forest ServiceSTC SA381EAInstallation of radome kit No. 2090X.Norton Company, Performance PlacticsSTC SA1228SOInstallation of a Bendix FCS-8700B automatic flight control system including optional flight director.Bendix Corporation Avionics DivSTC SA1239EAInstallation of aerial survey configurations. (65-A90 LJ-76 AND LJ-114 THRU LJ-317)Field Aviation Co IncSTC SA1637CEInstallation of Foster Airdata Systems RNAV 612 area navigation system.Wilcox ElectricSTC SA1630CEInstallation of portable airway checking equipment rack on existing seat rails.Avcon Industries IncSTC SA1607CEInstallation of microwave landing system airborne equipment.Wilcox Electric, IncSTC SA2955SWAddition of Hydro Seal Fluid Additive to the landing gear shock struts.Granville Lasseter/dba Granville's Aircraft Strut SealantSTC SA546SOInstallation of Bendix M-4D automatic flight control flight control system including optional manual electric trim system and optional flight director system.Bendix Corporation Avionics DivSTC SA3080WEInstallation of recognition light assembly on the horizontal stabilizer. (C90 S/N LJ502 THRU 526)DeVore Aviation Corporation of America, a New Mexico CorporationSTC SA377GLAddition of fourth cabin window on right hand side of fuselage.Burlington Northern AirmotiveSTC SA1108SOInstallation of Pratt & Whitney engine model PT6A-20 replacing model PT6A-6.BR Power DivisionSTC SA813NWInstallation of Beech Duke Model 60 wet wingtipsBen BrowningSTC SA814NWInstallation of an Omega Navigation SystemFlightcraft IncSTC SA277GLInstallation of a fire detection sensor, Systron-Donner P/N3001-79-700/300-26 and associated hardware.Shadin Company IncSTC SA1009EAInstallation of Edo area navigation system Model TCE-71A.EDO-AIRESTC SA16GLInstall AMF inverter MGE 23-400.Leland Electrosystems, IncSTC SA45GLInstall AMF inverter MGH 549-1.Leland Electrosystems, IncSTC SA1451CEInstallation of Sierra electronic console.Sierra Research CorpSTC SA1452CEInstallation of Sierra electronic console.Sierra Research CorpSTC SA879SOInstallation of Teledyne P/N BB638/T- Series lead-acid replacement batteries.Teledyne Battery ProductsSTC SA920SOInstallation of Teledyne P/N BB638/T- Series lead-acid replacement batteries.Teledyne Battery ProductsSTC SA940SORemoval of existing fuel flow-meter and associated components and installation of fuel flowmeter. (65-80 QUEEN AIR)Aerosonic CorporationSTC SA2693WEInstallation of inertial air separator scoops.Gordon B Hamilton
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