TCDS 4A21

STCs approved under this data sheet · 238

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 = '4A21')
  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 SA45SOLife rafts M6861-100.Pan American World Airways, IncSTC SA1221WEDual Collins AL-101 low range radio altimeter.American Airlines IncSTC SA1151WEDual Collins AL-101 or dual Litton 502 low range radio altimeter.American Airlines IncSTC SA381CEFairchild cockpit voice recorder equipment.Trans World Airlines IncSTC SA274CEFairchild cockpit voice recorder system.Trans World Airlines IncSTC SA297CEFairchild cockpit voice recorder recorder system.Trans World Airlines IncSTC SA304CEFairchild cockpit voice recorder system.Trans World Airlines IncSTC SA343CEFairchild cockpit voice recorder system.Trans World Airlines IncSTC SA376CEFairchild cockpit voice recorder system.Trans World Airlines IncSTC SA240SWInstallation of seat loaded cargo containers.American Airlines IncSTC SA101CEDoppler radar navigation system modification and installation of compass test receptacles.Trans World Airlines IncSTC SA1057WEInterior modification.American Airlines IncSTC SA1-530Instrument failure and warning system.Pan American World Airways IncSTC SA102CECoupler, Bendix DRA-12 doppler radar with CPA-24 computer to Bendix PB-20D automatic pilot.Trans World Airlines IncSTC SA1110WESeating arrangement revised.American Airlines IncSTC SA1128WECockpit voice recorder.American Airlines IncSTC SA1152WEStowage compartment in main deck cargo compartment.Lockheed Aircraft Service CoSTC SA1217WECockpit voice recorder system.American Airlines IncSTC SA126EAUnifreight Mark V Model A cargo handling system.American Machine & Foundry CoSTC SA1279WEIn-flight entertainment system.Jay- Dee Aircraft Supply CoSTC SA1281WEFire detector system.American Airlines IncSTC SA138CEInflight maintenance and performance recorder.Trans World Airlines IncSTC SA1403WEInterior arrangements. (707-138B)Standard Airways IncSTC SA166EAUnifreight Mark V Model C cargo handling system. (Original approval issued to American Machine & Foundry Co.)Boeing CompanySTC SA166SOLow range radar altimeter system.Pan American World Airways IncSTC SA195CEAutothrust system.Trans World Airlines IncSTC SA195SOStructural provisions to accommodate Litton navigation system.Pan American World Airways IncSTC SA196CEAutopilot modified for variable angle intercept and control panel for variable angle capture.Trans World Airlines IncSTC SA198CEDual low range radio altimeter system provisions.Trans World Airlines IncSTC SA202CEModification of autopilot amplifiers and control panel to provide a variable angle intercept.Trans World Airlines IncSTC SA233CECoupler on Bendix DRA-12 doppler radar to Bendix PB-20D autopilot.Trans World Airlines IncSTC SA237CEAutopilot variable angle intercept.Trans World Airlines IncSTC SA242CECoupler on Bendix DRA-12 doppler radar with CPA-24 computer to Bendix PB-20E automatic pilot.Trans World Airlines IncSTC SA247CEAutopilot variable angle intercept.Trans World Airlines IncSTC SA264CESecond flight director system.Trans World Airlines IncSTC SA273CESecond flight director system.Trans World Airlines IncSTC SA299CE1-70071 auto thrust servo assembly provisions.Trans World Airlines IncSTC SA3-478Pilot's and copilot's KIFIS com- puters modified to make them interchangeable with each other and with the computers used on 707-331 aircraft.Trans World Airlines IncSTC SA3-572Dual Bendix DRA-12 doppler radars and dual Bendix CPA-24 computers.Trans World Airlines IncSTC SA305CETen channel audio system provisions.Trans World Airlines IncSTC SA313CETen channel audio system provisions.Trans World Airlines IncSTC SA317SWMagnetic shaft seal on input and output shafts of Sundstrand constant-speed-drives 40-AD-14, 40-AD-04, 40-AD-12 and 49-AD-06.Magnetic Seal CorporationSTC SA342CEAutopilot variable angle intercept.Trans World Airlines IncSTC SA364EAPallet ID-650-4.Irvin Industries IncSTC SA365CETen channel audio system.Trans World Airlines IncSTC SA366CEFairchild cockpit voice recorder system.Trans World Airlines IncSTC SA389CEEclipse-Pioneer 15470, 15492 and18729 autopilot amplifier.Trans World Airlines IncSTC SA390CEEclipse-Pioneer 18729 autopilot amplifier.Trans World Airlines IncSTC SA4-1284Wheel 150741-5, brake assemblies151924-2, -3, -4, -5, or -6, and hydraulic adjuster 151826 or -2.Bendix Aviation CorporationSTC SA4-1418Forward lounge.AiResearch Aivation Service Co
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