TCDS 4H12

STCs approved under this data sheet · 134

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 = '4H12')
  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 SH868SWInstallation of Lycoming H10-360-A1A engine and related modificationsKinzie Industries Inc.STC SR09562RCInstallation of Night Vision Goggle Compatible Interior Lighting SystemAero Dynamix Inc.STC SA2693NMInstallation of Electronics International digital volt/amp gauges and accessories.Electronics International Inc.STC SA4172NMInstallation of Aviation Development oil filter.Aviation Development CorporationSTC SA563CHAuthorizes installation of engines equipped w/Unison Limited Authority Spark Advance Regulator (LASAR) ignition system w/Cylinder Head Temp. (CHT) monitoring capability on airframes. engines.Champion Aerospace LLCSTC SA593CHInstall Champion SlickSTART magneto booster system.Champion Aerospace LLCSTC SA02033ATModification to install an air-oil separator to prevent oil from being aspirated from the engine breather line.M-20 Oil Separators LLCSTC SA4005NMPrecise Flight Inc. Pulselite Control SystemPrecise Flight IncSTC SR00220BOInstallation of a Pratt & Whitney Engine Services, Inc. IntelliStart+ Electronic Control System and Engine Trend Monitor P/N DPU-K-010-14.Pratt & Whitney Engine Services Inc.STC ST02481CHInstallation of camera quick disconnect mounting.NASS-EACSTC SA00402SEInstallation of a remote spin-on oil filter adapter. (GC-1B w/Lycoming or Cont 360 engine installed)Aviation Development CorporationSTC SR02266CHInstall EAC, Inc. camera mount systemEAC Helicopters IncorporatedSTC SA00680SEInstallation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.Electronics InternationalSTC SR01430LAInstallation of Stainless Steel Skid shoes.Papas Gary Los Angeles Laboratories Inc.STC SR00081BOOperation or rotorcraft on unleaded and leaded automotive gasoline, 91 minimum antiknock index (RON+MON)/2 per ASTM Specification D-439 or D-4814.Fuller Howard J JrSTC SA01258SEInstallation of the Automatic Flagman Dispenser Models in accordance with Automatic Flagman Master Drawing Lists specified in attached AML, or later FAA approved revision.This STC supercedes several existing STC s as listed in the notes on the attached AML.R-S Sales Inc.STC SR00021ATInstallation of Skysign electronic billboard.Sky Sign IncSTC SA02520ATInstallation of M-20 Oil Separator, model 600-WP.M-20 Oil Separators LLCSTC SH333NWInstallation of Automatic Flagman Model No. 5,R-S Sales Inc.STC SA2687NMInstallation of Truboplus/ Electronics Int'l gauges and switches.Aero Manufacturing Inc.STC SH12CEReplace existing engine induction air filter with AC Spark Plug Filter.Brackett Aero Filters Inc.STC SH2249NMInstallation of 36-inch main rotor blade leading edge abrasion strip.Composite Technology, IncSTC SR01137CHInstall FLIR Systems, Inc, Ultramedia RS, U6000, 2000 A/B, 2000 F/V, or 2000G Camera System on EAC Helicopters, Inc. Right-Side Camera Mount P/N 300 SM 0003.EAC Helicopters, IncorporatedSTC SH5857SWInstallation of remote engine oil filler.Kinzie Industries Inc.STC SA8705SWInstallation of R25V0N Alternator Control Unit or R2510N Alternator Control Unit or V2510A Over Voltage Sensor.Tovya Group, IncSTC SA00061LAInstallation of JPI digital tachometer.J P InstrumentsSTC SR00138LAInstallation of ground handling wheels carrier, P/N 300-08-00 on existing skid tubes.Brackett Aero Filters Inc.STC SA00238SEInstallation of Aviation Development Corporation's sump mounted chip detectorAviation Development CorporationSTC SR00078DEInstallation of a swivel mount assembly to mount a flat design video monitor.Paravion Technology IncSTC SA8431SWInstallation of R15VON alternator control unit.Tovya Group, IncSTC ST00021ATInstallation of electronic billboard.Sky Sign, IncSTC SA2844CEInstallation of a plastic cap enclosure over the anti-collision strobe light system.Air Transport IncSTC SH5257NMInstallation of a cockpit mount stand for provisions to mount a video monitor.Paravion Technology IncSTC SH2966SOInstallation of pitch control link teflon rings.Bouman R ThomasSTC SA2350NM PAGE 1Installation of Electronics International Inc digital carburetor/outside air temperature gaugesElectronics InternationalSTC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.Electronics InternationalSTC SH7598SWInstallation of forward door glass with slide window.Tech-Tool Plastics IncSTC SA3862NM PAGE 1Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories.Electronics InternationalSTC SH4173NMInstallation of Simplex Model 7600 modular electrical system. (US ARMY OH-13E M74A)Simplex Manufacturing CompanySTC SH37WEInstallation of floats, per Hughes Tool Co.Air Cruisers CompanySTC SH157WEInstallation of Gould Engineering baggage compartment.Orange State MfgSTC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.Electronics InternationalSTC SH1765NMInstallation of a Simplex Model5200 spray system.Simplex Manufacturing CompanySTC SH1017CEInstall console fairings, seat formers, belt drive fairings, rotating beacon support and carburetor air filter housing.Kinzie Industries, IncSTC SA334SWInstallation of InterAv Alternator.InterAv, IncSTC SH539GLInstallation of Sorensen90-gallon sprayer system.Sorensen Sprayers, IncSTC SH1200NWInstallation of Hughes Cargo Installation KitRoberts, Steven H.STC SH128WEInstallation of Nightsun SX-10 searchlight Kit No. 019600 when: A TA-30 dual voltage alternator is installed per STC SH131WE; the helicopter is equipped with a Dovsek Model 200C or 300B light mounts, the mount's indicator light conforms to Hughes Service Information Notice #N92.Spectrolab, IncSTC SH245WEInstallation of searchlight.Carter Engineering, IncSTC SH811NWInstallation of cargo and/or fuel tote carrierCascade Commercial Helicopters Inc
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