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 SA4025SWStructural provisions of mid-lavatory service pan.Sierra Industries, IncSTC SA4102SWInstallation of Airstair. Approved for installation on Boeing 707-138B, serial number 18334 ONLY.S & K EngineeringSTC SA4148SWInstallation of Dual Collins AL101 Radio Altimeter Systems, Category I operation.Sierra Industries, IncSTC SA4149SWInstallation of Collins FPC-75 Ground Proximity Warning System.Sierra Industries, IncSTC SA4150SWInstallation of Dual Carousel IV A Inertial Navigation System.Sierra Industries, IncSTC SA4151SWInstallation of Teledyne angle of attack system.Sierra Industries, IncSTC SA1224WEInstallation of dual Collins FD-109 Flight Director Systems, dual Collins low range radio altimeters, wiring provision for Collins 54W-IC, comparator warning system No. 2 ITT AFN 3544 DME, and navigation switching.Rockwell Collins IncSTC SA3941NMInstallation of piston-shoe subassembly, P/N 700001.California Precision Hydraulics, IncSTC SA3595NMModification of the Boeing707-100B airplanes.Omega Aviation Services LtdSTC SA1388CEIn accordance with PMC Drawing 70J2482, or later FAA approved revision, the magnesium or aluminum forward thrust reverser blocker doors are replaced with nylon doors manufacture per PMC Drawing 70J2481, Revision E, or later FAA approved revisions.P & R Trading Inc.STC ST179CHInstallation of cargo container curtain.Plastic Composites CorpSTC SA8082SW-DInstallation of a digital flight data recorder.Boeing CompanySTC SA8958SWInstallation of Bendix/King TCAS II with dual Mode S Transponders.Associated Air CenterSTC SA3156SOInstallation of a Fairchild Model800 digital flight data recorder.VGA, IncSTC SA4140SWModel 707-100 B - Installation of Steward-Davis Model 84100-1 auxiliary power module.Steward-Davis Intn'l IncSTC SA4266NM-DInstallation of a Bendix/King CAS-81 TCAS II Traffic Alert and Collision Avoidance System.Gulfstream Aerospace CorporationSTC SA4265NM-DInstallation of Racal Avionics Satellite Communication System (SATFONE) with a Ball Aerospace Conformal Antenna System.Gulfstream Aerospace CorporationSTC SA2907SOInstallation of a Fairchild digital flight data reorder.Skyways InternationalSTC SA8117SWInstallation of Racal satellite communication system with a Canadian Marconi phased-array antennaSkyways InternationalSTC SA5034SW-DModification of potable water system on VIP SAM Model 707-153B to incorporate pumps at four lavatories; installation of floor pans and decorative wall stripsE-Systems IncSTC SA4205SWInstallation of Specific Range Computer System.AEREX Group IncSTC SA5009SW-DInstallation of secure communications enhancement(Quick Comm)E-Systems IncSTC SA5021SW-DReplacement of KW7 secure comm with a KG-84 installationE-Systems IncSTC SA5028SW-DInstallation of Lighting Mod., System Instl. (707-153B)USAF - Oklahoma CitySTC SA2686SOInstallation of Hush Kits. (707-100B)Quiet Technology Venture, LtdSTC SA3836SWInstallation of BKM fuel flow interface systemAEREX Group IncSTC SA3500SWInstallation of floor proximity emergency lighting system.Vista Manufacturing, IncSTC SA2769NMModification of a triple to a double seat and installation. (707-100B)SkyWorld Airlines IncSTC SA2728WEIncorporation of Holcombe Industries HI-LITE SYSTEM P/N 50-1001 for emergency evacuation slide lighting. (707 AIRPLANES EQUIPPED WITH BOEING P/N 65-11685 AND 65-68862 FORWARD THRUST REVERSER DOORS)Maravia Corp of IdahoSTC SA5002SW-DFM radio installation, aircraft6971 and 6972. (707-153B)Boeing Aerospace CompanySTC SA1501NMInstallation of dual Marconi Navigation System CMA-740 or CMA-771.Ports-of-Call Travel ClubSTC SA202RMInstallation of dual Marconi Model CMA-740 or CMA-771Ports-of-Call Travel ClubSTC SA1155SOInstallation of cargo floor, cargo restraint bulkhead, landing gear position indicator, and smoke detection system (Class 'E' cargo compartment).Aeronautical Engineers, IncSTC SA1520CEInstallation of a Growth Industries dual cavity oven. (707-131B)Trans World Airlines IncSTC SA1478CEInstallation of pitot heater failure indication system. (707-131B) (707-331B)Trans World Airlines IncSTC SA172GLReplace differential synchro and switch in Courter flap position indicator, P/N 18-1299-3, with Courter flap asymetry detector kit, P/N 298-1026-01 or -02. (707-100B)Courter, IncSTC SA3756WEInstallation of stretcher carrier, P/N AM2003. (707-100B)Air Medic, IncSTC ST708SO-DInstallation of an REF Dynamics carry-on baggage compartment. (720-023B) (707-121B) (707-321)Pan American World Airways IncSTC ST711SO-DInstallation of door mounted evacuation slide illumination lights. (720-023B, -030B) (707-139B, -121B) (707-321, -321C, -321B, -331)Pan American World Airways IncSTC ST706SO-DInstallation of Skydrol 500C hydraulic fluid. (720-023B) (747-121) (707-121B) (727-21) (707-321)Pan American World Airways IncSTC SA3712WEInstallation of a 40-inch x 56-inch adjustable height, folding leaf table.Custom Products CompanySTC SA3713WEInstallation of a 40-inch x 67.25-inch adjustable height, folding leaf table.Custom Products CompanySTC SA517EA-DInstall dual Litton LTN-51 INSAmerican Airlines IncSTC SA3320WEInstallation of radio altimeter system No. 1. (707-138B)Aviation Service & Support CorporationSTC SA984CE-DIncrease maximum zero fuel weight. (707-100B)Boeing CompanySTC SA2602SW-DInstallation of a ninth movie projecter for models Boeing 707-123 and 707-323C/323B.American Airlines IncSTC SA983CE-DCargo door and interior installation non-convertible air freighter. (707-123B)Boeing CompanySTC SA177NWInstallation of container rack and six accompanying containers in the forward right-hand coat closetAeroAmerica, IncSTC SA197CEInstallation of a single SCAT system. (707-131B)Trans World Airlines IncSTC SA298CEInstallation of a single SCAT system. (707-131B)Trans World Airlines Inc
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