TCDS 4A27

STCs approved under this data sheet · 48

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 = '4A27')
  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 SA2534SW-DReplacement of Switch assembly Int'l Inflatables Co. P/N 68748, with DME Corp. P/N L-140 in emergency evacuation slide lighting system.Astronics Luminescent Systems IncSTC SA2539SW-DReplacement of light assembly, International Inflatables Co. P/N68555-1 with DME Corp. EL-104, EL-104A, and EL-104B in emergency slide lighting system.Astronics Luminescent Systems IncSTC SA863EAIncorporation of DME Corporation emergency evacuation slide lighting systemAstronics Luminescent Systems IncSTC SA1093SOInstallation of class 'B' or 'E' cargo compartment.Aeronautical Engineers, IncSTC ST768SOInstallation of cargo loading door(forward L.H. side of fuselage).Aeronautical Engineers, IncSTC ST988SOFabrication and installation of a cargo rack/net assembly.Page AvJet CorpSTC SA1146EAInstallation of two Solar APU's Model T-62T-40C. Limited to installation on Convair 22M, serial number 61.PATS Aircraft LLCSTC SA1072NWIncrease of zero fuel weight to131,000 pounds for aircraft complying complying with GD Convair strength and operating restrictions report ZS-22-300, Rev 3. This STC is limited to aircraft modified per STC Number SA1071NW.Lost Birds Aviation Historical Society & MuseumSTC SA1282WEDual Collins AL101 radio altimeter system, dual Collins No. 51RV-1 navigation receivers and all weather landing system wiring and installation provisions.Lost Birds Aviation Historical Society & MuseumSTC SA1-562CJ805-3B modified as an alternate to CJ805-3 engine.Northeast 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 ST944SOInstallation of (1) Class 'B' cargo compartment, (2) cargo restraining bulkhead, and (3) smoke detector system. STC ST906SO is a required part of this STC. (22M 880)Aeronautical Engineers, IncSTC SA2462SWInstallation of interior.Foster-Edwards Aircraft Co IncSTC SA152GLInstallation of X band weather radome only on models with Convair22-71001-1 support assembly(bulk-head assembly).Norton Company, Performance PlacticsSTC SA36NWInstallation of Sundstrand Ground Proximity Warning SystemSundstrand Data Control IncSTC SA2549WEThe installation of automatically deployable and automatically inflatable emergency exit slides. (22 CV-880)Intl Inflatables CoSTC SA830CEInstall Butler National Corporation flight recorder/ communications interface unit.Trans World Airlines IncSTC SA772CEInstallation of Bendix P/N1978128-1 indicator and P/N1964771-3 inverter.Trans World Airlines IncSTC SA2341WEInstallation of battery-powered emergency exit lighting on forward and aft entry and service doors.Intl Inflatables CoSTC SA593CEModification of interior emergency lighting and installation of exterior emergency lighting system. (22 -1 (880))Trans World Airlines IncSTC SA594CEInstallation of dual low range radio altimeter system single equipment driving dual indicators.Trans World Airlines IncSTC SA279CEFairchild cockpit voice recorder system.Trans World Airlines IncSTC SA1365WEModification of wiring and equipment installation.Lear Siegler IncSTC SA214CEAutothrust system.Trans World Airlines IncSTC SA215CESingle SCAT system.Trans World Airlines IncSTC SA216CEAutopilot variable angle intercept.Trans World Airlines IncSTC SA217CESecond flight director system.Trans World Airlines IncSTC SA223CEDual low range radio altimeter system.Trans World Airlines IncSTC SA241EANose cap weather radome shell.McMillan Radiation Labs IncSTC SA280CEAutothrust system equipment.Trans World Airlines IncSTC SA281CESingle SCAT system provisions.Trans World Airlines IncSTC SA281WEEngine-mounted fire detector system.Trans World Airlines IncSTC SA308WEVoice interruption priority system.Northrop CorporationSTC SA336SOCockpit voice recorder.Delta Airlines IncSTC SA376SORelocation of LAS 109C flight recorder and installation of a remote accelerometer.Delta Airlines IncSTC SA389CEEclipse-Pioneer 15470, 15492 and18729 autopilot amplifier.Trans World Airlines IncSTC SA390CEEclipse-Pioneer 18729 autopilot amplifier.Trans World Airlines IncSTC SA484CERelocation of Lockheed Aircraft Service Model 109CR flight recorder.Trans World Airlines IncSTC SA563CEInstallation of static port heater system.Trans World Airlines IncSTC SA579EAReplace Bendix type 15866, 15897 and 19903 vertical gyros with Bendix type 19911 or 19912 ertical gyros. (22 -1 (880))Trans World Airlines IncSTC SA671CEInstall logo lights in upper leading edges of horizontal stabilizer.Trans World Airlines IncSTC SA687SWNose cap weather radome shell.McMillan Radiation Labs IncSTC SA727CEInstallation of Kollsman altitude alerting system.Trans World Airlines IncSTC SA896WERain repellent system.Jay- Dee Aircraft Supply CoSTC SA91SOModification of rotating field element G.E. 291C777G1 of G.E. 400 cycle alternator 2CM211A1.Peninsular Armature Works Inc.STC ST402SOModification of interior emergency lighting.Delta Airlines IncSTC ST403SOInstallation of exterior emergency lighting system.Delta Airlines IncSTC ST422SOInstallation of single radar altimeter system. (22M 880)Delta Airlines Inc
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