# STCs that may be installed: Hughes 369 A list on [Hughes 369](https://openairdocs.org/model/hughes-369.md). In force first, then newest. The registry doesn’t record which STCs an aircraft has. Page 1 of 2 · 66 STCs - [STC SR01059LA](https://openairdocs.org/stc/SR01059LA.md): Installation of right side dual utility mount · Airfilm Camera Systems LLC - [STC SR00709AT](https://openairdocs.org/stc/SR00709AT.md): Installation of Starter-Generator Cooling Kit · Precision Heli-Support LLC - [STC SR00771LA](https://openairdocs.org/stc/SR00771LA.md): Installation of right-side utility mount. · Airfilm Camera Systems LLC - [STC SR00772LA](https://openairdocs.org/stc/SR00772LA.md): Installation of left-side utility mount. · Airfilm Camera Systems LLC - [STC SR00862LA](https://openairdocs.org/stc/SR00862LA.md): Installation of aft belly utility mount. · Airfilm Camera Systems LLC - [STC SR04637CH](https://openairdocs.org/stc/SR04637CH.md): Replacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control Panel · Airwolf Aerospace LLC - [STC SH2735NM](https://openairdocs.org/stc/SH2735NM.md): Installation of pneumatic door actuators. · Dart Aerospace USA Inc. - [STC SR04160CH](https://openairdocs.org/stc/SR04160CH.md): Installation of Heli-Preheat Kit, p/n TA3089-1 for 115 volt application · HARTZELL PROPELLER INC - [STC SH3319NM](https://openairdocs.org/stc/SH3319NM.md): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, · Precise Flight Inc - [STC SR00314AT](https://openairdocs.org/stc/SR00314AT.md): Installation of engine firewall in Hughes 369 model helicopter · Thoroughbred Aviation Maintenance Inc - [STC SR00450AT](https://openairdocs.org/stc/SR00450AT.md): Installation of a seat pan inspection panel. · Thoroughbred Aviation Maintenance Inc - [STC SR00823AT](https://openairdocs.org/stc/SR00823AT.md): This modification will allow the installation or rear extended cabin step · Thoroughbred Aviation Maintenance Inc - [STC SR00829AT](https://openairdocs.org/stc/SR00829AT.md): Installation of front extended cabin step. · Thoroughbred Aviation Maintenance Inc - [STC SR01839AT](https://openairdocs.org/stc/SR01839AT.md): Installation of cyclic friction levers · Thoroughbred Aviation Maintenance Inc. - [STC SH1152NW](https://openairdocs.org/stc/SH1152NW.md): Installation of the Automatic Flagman Model 135 Control Stick Grip · Air Products & Parts LLC - [STC SR02001SE](https://openairdocs.org/stc/SR02001SE.md): Fabrication and installation of Model 72448 locking fuel cover assembly · Timberline Aerospace LLC - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE.md): Installation and maintenance of the Sunspot 36 and 46 series lights · AeroLED's Holdings LLC - [STC SA615EA](https://openairdocs.org/stc/SA615EA.md): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights. · Whelen Aerospace Technologies - [STC SR00359BO](https://openairdocs.org/stc/SR00359BO.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies - [STC SR02458LA](https://openairdocs.org/stc/SR02458LA.md): Compressor Plenum Inspection Panel installed · Precision Heli-Support, LLC - [STC SR02487AK](https://openairdocs.org/stc/SR02487AK.md): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System · ADS-B Technologies, LLC - [STC SH4344NM](https://openairdocs.org/stc/SH4344NM.md): Replace existing fiberglass strut leg fairings with aluminum fairings · Cascade STC LLC - [STC SH4909NM](https://openairdocs.org/stc/SH4909NM.md): Replace the aft engine compartment heat blanket with a stainless steel firewall. · Cascade STC LLC - [STC SR02394AK](https://openairdocs.org/stc/SR02394AK.md): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system · Seaplanes North LLC - [STC SH7091NM](https://openairdocs.org/stc/SH7091NM.md): Installation of a Simplex Manufacturing Company Model 8500 agricultural tank sprayer · Simplex Manufacturing Company - [STC SR01960LA](https://openairdocs.org/stc/SR01960LA.md): Installation of removable seat pans · Aerometals - [STC SH2288NM](https://openairdocs.org/stc/SH2288NM.md): Installation of Spectrolab SX-16C nightsun searchlight. · Gerbino Flight Systems - [STC SH250WE](https://openairdocs.org/stc/SH250WE.md): Installation of a P.A. speaker kit. · Allen J Gerbino, Gerbino Flight Systems - [STC SH2530NM](https://openairdocs.org/stc/SH2530NM.md): Installation of quick removal door hinges. · Gerbino Flight Systems - [STC SH281WE](https://openairdocs.org/stc/SH281WE.md): Installation of VIP single passenger seats. · Gerbino Flight Systems - [STC SH207WE](https://openairdocs.org/stc/SH207WE.md): Installation of range extension fuel tank in cargo area. · ROBERTSON FUEL SYSTEMS LLC - [STC SR00103SE](https://openairdocs.org/stc/SR00103SE.md): Installation of Aviation Development Corporation oil filter · Aviation Development Corporation - [STC SR01924LA](https://openairdocs.org/stc/SR01924LA.md): Installation of a Platinum Aviation cockpit pedestal slant panel · Integrated Flight Systems - [STC SH2372SO](https://openairdocs.org/stc/SH2372SO.md): Modify the gearbox breather system. · Rotor Wing, Inc - [STC SR00062BO](https://openairdocs.org/stc/SR00062BO.md): Installation of a Pratt & Whitney Engine Services, Inc. Health Usage Monitoring System (HUMS) Model 1122, P/N HUMS-A-070-1. · Pratt & Whitney Engine Services Inc. - [STC SH631NE](https://openairdocs.org/stc/SH631NE.md): Installation of Fibre Reinforced Plastic Interior Trim Panels and Ducting. · Prism Helicopters Ltd - [STC SR01430LA](https://openairdocs.org/stc/SR01430LA.md): Installation of Stainless Steel Skid shoes. · Papas Gary Los Angeles Laboratories Inc. - [STC SR01682LA](https://openairdocs.org/stc/SR01682LA.md): Installation of cargo rack · Tyler Camera Systems - [STC SH390NW](https://openairdocs.org/stc/SH390NW.md): Installation of an electronic weighing system, for monitoring cargo hook weight, in accordance with Measurement Systems International, Inc., Installation drawing No. D00327, Sheets 1 and 2, or Drawing D00473, Rev. E. · Measurement Systems Intl Inc - [STC SR00811NY](https://openairdocs.org/stc/SR00811NY.md): Installation of Technisonic Industries Limited TFM-138 series transceiver models. · Technisonic Industries Limited - [STC SR01834NY](https://openairdocs.org/stc/SR01834NY.md): Installation of Globalstar Satellite Telephone System. · Atlantic Avionics Inc. - [STC SH980NE](https://openairdocs.org/stc/SH980NE.md): Installation of a Heli-Logistics Ltd. P/N HL92116 engine upper firewall. · Heli-Logistics Ltd - [STC SA2294SO](https://openairdocs.org/stc/SA2294SO.md): Installation of seat access panel in accordance with ALM Technologies, Inc., Drawing List, Document No. 3698001, dated August 21, 1987, or later FAA approved revision. · Enviro Systems Inc. - [STC SR01427LA](https://openairdocs.org/stc/SR01427LA.md): Installation of Teledyne Battery Products G-641 and G-641S lead-acid battery. · Teledyne Battery Products - [STC SR00716SE](https://openairdocs.org/stc/SR00716SE.md): Installation of Concorde RG500 battery in accordance with Aero-Jet Trading 'Installation Instructions Concorde Battery Hughes 500 & MD369 Series Helicopter' Manual Number AJ-369, Revision New, dated May 18, 1999, or later FAA approved revision. · Advanced Power Products - [STC SH1258SO](https://openairdocs.org/stc/SH1258SO.md): Installation of Utah Research and Development Co. Model 124BC101 battery charging system. · Aviall Services, Inc. - [STC SR00125BO](https://openairdocs.org/stc/SR00125BO.md): Installation of a Pratt & Whitney Engine Services, Inc.-Honeywell IntelliStart Plus+TM Electronic Control System P/N DPU-K-010 · Pratt & Whitney Engine Services Inc. - [STC SH849NE](https://openairdocs.org/stc/SH849NE.md): Installation of Utility Equipment Kit consisting of Cargo Mirror, Bearpaws and Bubble or Wedge Door Windows. · Dart Aero Accessories, Inc - [STC SR01346NY](https://openairdocs.org/stc/SR01346NY.md): Installation of Navigation Lights with Vancouver Island Helicopter Master Document List V500-300-MDL, Rev 1, dated February 14, 2001. · Vancouver Island Helicopters - [STC SR09260RC](https://openairdocs.org/stc/SR09260RC.md): Installation of forward door and aft door bubble type windows. · Tech-Tool Plastics Inc Next page: https://openairdocs.org/model/hughes-369/stcs.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model FROM ( SELECT stc_number, min(matched_model) AS matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code IN ('4470702') GROUP BY stc_number ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number) ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/model/hughes-369/stcs --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.