TCDS 4H11

STCs approved under this data sheet · 75

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 = '4H11')
  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 SH948NWInstallation of Model No. 5 automatic flagman. (UH-12E Restricted)North American IndustriesSTC SH717NWInstallation of Simplex Model 4500 spray system.Simplex Manufacturing CoSTC SH155WEInstallation of battery temperature monitor system.K S Avionics, IncSTC SH618NWInstallation of the Onboard Weighing System Adapter No. 1500, for use with Eastern Rotorcraft Cargo Hook No 2A15EOnboard Weighing SystemsSTC SH242GLInstallation of a General Electric100 amp generator, P/N 2CM299H1, and a distribution box.East West Helicopter IncSTC SH539NWInstallation of weighing system.Onboard Weighing SystemsSTC SH273NWInstallation of Aerial Spray System No. 3300.Simplex Manufacturing CoSTC SH951SOInstallation of removable center collective stick.Jungle Aviation & Radio Service, Inc.STC SH484NWInstallation of dual collective and turbine engine controlsSoloy LLCSTC SH877SOInstallation of tail rotor guard assembly.Jungle Aviation & Radio Service, Inc.STC SH215NWInstallation of Model 4400 aerial dust system.Simplex Manufacturing CoSTC SH165NWInstallation of Model 1620 and 1621 aerial seeders systems.Simplex Manufacturing CoSTC SA584WEInstallation of oil filter assemblies.Nelson FilterSTC SH446EAInstallation of Franklin engine Model 6V-350B in Fairchild Hiller UH-12A helicopter.Franklin Engine Co IncSTC SH80WEInstallation of Simplex thirty-two foot spray boom.Simplex Manufacturing CoSTC SH4-1071Spray equipment kit.Agricultural Aviation Engineering CompanySTC SH1-457Aircooler Motors 6VS-335B turbo-supercharged engine (derated).Carson Helicopters IncSTC SH160ALAirborne control survey system.US Dept of InteriorSTC SH32WEFabricate and install jump-step.USDA Forest ServiceSTC SH4-1101Aerofilter 30690B with element1A0286.Winslow Aerofilter CorpSTC SH4-178Curved control stick.Nystrom Aviation IncSTC SH52WEHigh volume fifty foot spray boom kit.Simplex Manufacturing CoSTC SH77ALTundra snow shoes.ERA Helicopters IncSTC SH9ALAirglas tundra pads L-100.Intl HelicoptersSTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.Electronics International
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