TCDS 3A21

STCs approved under this data sheet · 702

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 = '3A21')
  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 SA09520SCInstallation of Valley Aero, Inc. Hydraulic system Pressure Status AnnunciatorValley Aero, IncSTC SA2677WEInstallation of larger fuel containing wing tips.Flint Aero IncSTC SA3226NMInstallation of 16.25 gallon usable fuel-containing lightning resistant wing tips.Flint Aero IncSTC SA4300WEInstallation of a 16.25 gallon usable fuel-containing wing tips.Flint Aero IncSTC SA00368DEInstallation of an Aircraft Noise Control System.Quiet Flight LLCSTC SA00846WIInstallation of B&C Specialty products BC 425-1 standby alternator.B & C Specialty Products IncSTC SA00678SEInstallation of J. P. Instruments 8Jimline EGT-100 series primary instrumentsJ P InstrumentsSTC SA00367DEInstallation of an Oilamatic Preoiler system.Oilamatic IncSTC SA09399AC-DInstallation of S-TEC Manual Trim System, Model ST-850S-TEC CorporationSTC SA2681NMInstallation of a wastegate actuator drain line on Continental TSIO-520 series engine on Cessna 206, 207, and 210 series aircraft.Machen IncSTC SA2619WEInstallation of Pathfinder Model P1-( ) autopilot system.Astronautics Corporation of AmericaSTC SA2620WEInstallation of Pathfinder Model P2-( ) autopilot system.Astronautics Corporation of AmericaSTC SA3247WEModification of aileron control system by addition of aileron centering springs and installation of Pathfinder Autopilot Systems and/or Pitch Trim Systems.Astronautics Corporation of AmericaSTC SA8008SWInstallation of Zeftronics alternator control units P/N's R25101 (27.7V systems) or R25102 (28.8V systems).Tovya Group, IncSTC SA8009SWInstallation of Zeftronics alternator control units P/N's R25S01 or R25S02.Tovya Group, IncSTC SA8032SWInstallation of Zeftronics over-voltage sensor unit P/N V11100Tovya Group, IncSTC SA8427SWInstallation of an R25400 alternator control unitTovya Group, IncSTC SA8432SWInstallation of V25101 overvoltage sensor.Tovya Group, IncSTC SA01224ATInstallation of wheel hub cabs with valve stem access door.LoPresti Speed MerchantsSTC SA8522SW-DInstallation of a Century automatic flight system.Century Flight Systems IncSTC SA09341AC-DInstallation of S-TEC System 30 ALT Altitude Hold System, Model ST-771.S-TEC CorporationSTC SA09340AC-DInstallation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-770-20/30.S-TEC CorporationSTC SA2809SWInstall Hoskins CFS-1000 electronic fuel flow metering system.Sandia Aerospace CorporationSTC SA3835WEInstallation of Hoskins Model CFS-1000, -1001, FT-100 or FT-101 fuel flow indicating system.Sandia Aerospace CorporationSTC SA09315AC-DInstallation of S-TEC System 30 ALT Altitude Hold System, Model ST-756.S-TEC CorporationSTC SA09314AC-DInstallation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-755-20/30.S-TEC CorporationSTC SA5925NMInstallation of oil pressure/temperature instrument.Electronics InternationalSTC SA7172SW-DInstallation of S-TEC System 65 two axis automatic flight guidance system, Model ST-428.S-TEC CorporationSTC SA5924NMInstallation of RPM instrument.Electronics InternationalSTC SA02072AKInstallation of hourmeter airspeed switch.Avalaska IncSTC SA3612SWRemoval of main and nose gear doors, door actuators and switches and installation of mechanical nose gear door actuator, skin fairings, bulkhead stiffeners and hydraulic line caps.Valley Aero, IncSTC SA00712CHInstallation of Insight Avionics Strike Finder model SF 2000.Insight Instrument CorpSTC SA09234AC-DInstallation of S-TEC System 30 ALT Altitude Hold System, Model ST-688.S-TEC CorporationSTC SA09232AC-DInstallation of S-TEC System 20/30 single and two axis automatic flight guidance systems, Model ST-687-20/30.S-TEC CorporationSTC SA6095SW-DInstallation of S-TEC System 65 two axis automatic flight guidance system, Model ST-378.S-TEC CorporationSTC SA6045SW-DInstallation of S-TEC System 60 two axis automatic flight guidance system, Model ST-295, with optional autotrim system.S-TEC CorporationSTC SA2-1533Installation of windshield wiper.American Concorde Systems Inc.STC SA3451SW-DInstallation of Century Automatic flight system Model AK956, consisting of a Century 2110/2130/2131/2150/2151 autopilot.Century Flight Systems IncSTC SA6096SW-DInstallation of S-TEC System 65 two axis automatic flight guidance system, Model ST-377.S-TEC CorporationSTC SA00588CHInstall Vertical Fin De-Ice Boot.Prompt Air, IncSTC SA00393SEInstallation of the G/S 2500 and G/S2500R Aircraft Security Alarm System.Protective Technologies IntSTC SA157NEInstallation of Graphic Engine Monitor System Model GEM-602 S/N 403 and GEM-603 S/N001126and subsequent.Insight Instrument CorpSTC SA464NYInstallation of Northstar Avionics M3 Global Positioning System Navigator for VFR and IFR Enroute, Terminal and Non-Precision Approach.Northstar Technologies, IncSTC SA3064NMInstallation of a McCauley D3A34C90/S82NC-2 propeller.Plummer Robert CSTC SA840GLInstall safety belt extenders.Waechter SteveSTC SA09140AC-DInstallation of S-TEC System 55 Two Axis automatic flight guidance system, Model ST-621, with Optional Autotrim System.S-TEC CorporationSTC SA2922NMModify Cessna fuel bladder cell quick drain P/N 84C.Cashmere Aviation IncSTC SA2503CEInstallation of strut/wing and strut/fuselage fairings, lighting hole covers, and aerodynamic putty.Aircraft Development CoSTC SA00061LAInstallation of JPI digital tachometer.J P InstrumentsSTC SA110EARemoval of right front door and other modifications.Sky Diving Inc
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