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 SA4-1559Preloaded aluminum baggage container and base fabricated.John Bean Div of FoodSTC SA4-690Removable flight cradle assemblies on aft side of bulkheads.Pan American World Airways Inc.STC SA404EAExtended over water operation.American Airlines IncSTC SA406EA19-man configuration.American Airlines IncSTC SA430CEPassenger motion picture and tape player equipment.InFlight Motion Pictures IncSTC SA435CEUnited Data Control 557 cockpit voice recorder provisions.Trans World Airlines IncSTC SA436CEUnited Data Control 557 cockpit voice recorder provisions.Trans World Airlines IncSTC SA437CEUnited Data Control 557 cockpit voice recorder provisions.Trans World Airlines IncSTC SA467CESafe Flight Corp. auto power servo kit K-102.Trans World Airlines IncSTC SA488CERelocation of LAS Model 109CR flight recorder. (707-131B)Trans World Airlines IncSTC SA48EATriple tray carrier stowage unit(auxiliary galley) in passenger compartment.Pan American World Airways IncSTC SA494CEInstallation of dual doppler navigation systems with autopilot tie-in.Trans World Airlines IncSTC SA507CEInstallation of LAS 109CR flight recorder - aft location.Trans World Airlines IncSTC SA507EA-DInstall lounge and beverage bar. Install electrical wiring. Install bar and galley structural tiedowns. Install buffets.American Airlines IncSTC SA509EAInstall a standby horizon system.American Airlines IncSTC SA52SOLife rafts 6924-100.Pan American World Airways IncSTC SA577CEReplace Bendix type 15866, 15897 and 19903 vertical gyros with Bendix type 19911 or 19912 vertical gyros. (707-124) (707-331)Trans World Airlines IncSTC SA582CERelocation of Lockheed Aircraft Service Model 109CR, flight recorder to aft location. (707-124)Trans World Airlines IncSTC SA584CEAutopilot modification to incorporate variable intercept feature. (707-124)Trans World Airlines IncSTC SA585CEInstallation of Fairchild Cockpit Voice Recorder System. (707-124)Trans World Airlines IncSTC SA586CEInstallation of Fenwall fuel vent surge tank protection system. (707-124)Trans World Airlines IncSTC SA627CEInstallation of (1) dual radio altimeter provisions (2) single Bendix ALA-51 radio altimeter transmitter-receiver with dual indicators. (707-124)Trans World Airlines IncSTC SA648EAModification of Collins FD109G Flight Director. (707-153B) (707-353B)Department of the Air ForceSTC SA682CEInstall Litton Model E-30 microwave oven. (707-124) (707-331)Trans World Airlines IncSTC SA687EAInstallation of Data Link System. (707-138B)Pan American World Airways IncSTC SA719CEInstallation of Kollsman altitude alerting system. (707-100B)Trans World Airlines IncSTC SA726WERevise interior configurations.World Airways IncSTC SA734WEClosed-circuit television and stereo system.American Airlines IncSTC SA757WEThree-class passenger interior.American Airlines IncSTC SA76CEAutomatic engine power control system integrated with Safe Flight Corp. speed control approach/take- off system.Trans World Airlines IncSTC SA847WEReplace two rows of economy class seats with two rows of coach seats.American Airlines IncSTC SA90EAPB-20 autopilot modification.Pan American World Airways IncSTC SA91EAPB-20 autopilot modification.Pan American World Airways IncSTC SA972WEInstall one additional row of tourist triple class seats and remove one row of first class seats (without lounge).American Airlines IncSTC SA1-345Canadian Marconi CMA-621 doppler systemPan American World Airways IncSTC SA1-529Crimsco cargo container 600301.Pan American World Airways, IncSTC SA2063NMProvisions for flaps 30 landing switch for GPWS and gear up warnings.Hollingsead International IncSTC SA2063NM-DProvisions for Flaps 30 landing switch for GPWS and gear up warnings for 707-100B airplanes equipped with Bendix 150550-12 brakes and a Hytrol 249B anti-skid system.Hollingsead International
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