TCDS 2H3

STCs approved under this data sheet · 176

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 = '2H3')
  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 SH170WEInstallation of exhaust muffler assembly.Lear Avia CorporationSTC SA584WEInstallation of oil filter assemblies.Nelson FilterSTC SH986EAInstallation of Avco Lycoming engine Model TVO-435-B1A(0-435-25A) in lieu of model TVO-4350A1A.Nassau County Police DeptSTC SA105NWMounting and wiring for occasional installation and use of Barnes Engineering Company airborne fire spotter system.State of WashingtonSTC SH159WEInstallation of a muffler.Lear Avia CorporationSTC SH252SWBendix 100-ampere generator30E16-11C.Ward Intl Aircraft ServiceSTC SH15CEInstall Stewart Warner Model 940F combustion heater.EPM CorporationSTC SH143WEInstallation of a 12 volt, 40 ampere alternator on auxiliary power takeoff pad.USDA Forest ServiceSTC SH141WEInstallation of aerial seeder.Simplex Manufacturing CoSTC SH88WEInstallation of cargo hook.Patterson Thomas ASTC SH381ALInstallation of cargo baskets.Alaskan Sky-Craft CoSTC SH5-25Installation of tundra snow shoes.ERA Helicopters, IncSTC SH4-1512Installation of adapter assembly for bomb shackel, or cargo hook.USDA Forest ServiceSTC SH104WEInstallation of Nightsun SX-16 or SX-16C Searchlight.SpectrolabSTC SH77WEInstallation of Simplex Bi-Fluid Spray System.Simplex Manufacturing CoSTC SH101WEReplacement of existing 50 ampere generator with 100 ampere RWS-985-1340 generator.Aviation Power Supply IncSTC SH48WEInstallation of turbosupercharged Lycoming TVO-435-B1A engine.Jobmaster Co IncSTC SH176EAStewart-Warner heater.E W Wiggins Airways IncSTC SH479SW6V350A engine.Franklin Engine Co IncSTC SH5WEInstallation of Cargo Sling and HookHelicopter Mechanics SvcSTC SH4-1315Seeding accessory.Rollinger Bernard JSTC SA5-24Additional seat belt fittings to provide individual belts.ERA Helicopters IncSTC SA5-34Northern radio 414.ERA Helicopters IncSTC SA5-35Northern radio 414.ERA Helicopters IncSTC SA5-38Northern radio N412.ERA Helicopters IncSTC SH1-437Stewart-Warner combustion heater F-24, relocation of aircraft junction box and special centrifugal blower SP-151.Nutmeg Airways CorpSTC SH1-509Lube oil filter PB55-1.Fram CorporationSTC SH1-512Aircooled Motors 6VS-335A turbo- supercharged engine (derated).Carson Helicopters IncSTC SH1-67Franklin 6V-335-A engine.Aircooled Motors IncSTC SH112WEInstallation of box ejector for Codling Moth Control.USDASTC SH136SWProvisions for use of stokes litter with left cabin door propped open 22.8 inches.California Oil CompanySTC SH17ALTundra board.Alaska Helicopters IncSTC SH17WEAdapter bracket utilized as attachment for lifting a maximum external load of 928 lbs.Los Angeles CountySTC SH184SWCargo sling, 800 lbs. capacity. (Restricted category only.)Petroleum Helicopters IncSTC SH186SWLycoming VO-540-B1B3 engine, transmission, Bell 47-620-600-25(or -23 modified to -25 by Bell Helicopter Co.) oil cooler, Bell47-671-036-1, and associated changes. (Eligible on skiplane version of Bell 47G-2A only.)Campbell Air Service IncSTC SH19ALCargo racks.Intl HelicoptersSTC SH27WEJump-step.USDA Forest ServiceSTC SH3-473Heater.Chicago Heli Airways IncSTC SH3-517Engine exhuast cabin heating system.Skymotive IncSTC SH3-561Sunshade to reduce heat and glare in cockpit.Mississippi Valley Helicopters Inc.STC SH36ALTundra pads.Intl HelicoptersSTC SH4-1161Full flow lube oil filter 30690B with element 1A0286.Winslow Aerofilter CorpSTC SH4-1162Adapter assembly bomb shackle mounting fabrication and installation. (When any load or device is carried on the bomb shackle operation must be under restricted category.)USDA Forest ServiceSTC SH4-1332Cargo sling and shackle. (When any load is carried on this shackle, operations must be under restricted category.)USDA Forest ServiceSTC SH4-1340Spray pump 1-1/4 inch. (Restricted category only.)Simplex Manufacturing CoSTC SH4-1349Spray pump 1-1/4 inch. (Restricted category only.)Simplex Manufacturing CoSTC SH4-1392Pesco 1P-677 hydraulic pump.Comet CoptersSTC SH4-1419Exhaust muffler.Northrop CorporationSTC SH4-1499Exhaust mufflers.Comet CoptersSTC SH4-1604100-gallon borate tank.West-Figueroa Trust
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