# N191VS: Hughes 369 - Status: Valid registration - Airframe: [Hughes 369](https://openairdocs.org/model/hughes-369) (registry code 4470702, 4 seats) - Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) (MD Helicopters LLC) (OpenAirDocs) - Serial number: 800-766D - Type: Rotorcraft - Engine type: Turbo-shaft - Certificate issued: September 28, 2017 - Expires: September 30, 2027 - Mode S code: A16DCE - Registered owner: [Vertol Systems Co Inc](https://openairdocs.org/faa-owner/VERTOL%20SYSTEMS%20CO%20INC) - Location: [Destin, FL](https://openairdocs.org/faa-place/FL/Destin) - Owner type: Corporation - Owner's area on the map: 30.4022° N, 86.4673° W: Placed by OpenAirDocs: center of Destin, FL, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=191VS - Page: https://openairdocs.org/aircraft/N191VS From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 28 in force ### Matched by airframe (Hughes 369) - [AD 2026-19-01](https://openairdocs.org/ad/2026-19-01): Rotorcraft flight control · MD Helicopters 369, 369 (Army YOH-6A), 369A and 11 more. Effective Oct 20, 2026 - [AD 2025-17-11](https://openairdocs.org/ad/2025-17-11): tail rotor control system · MD Helicopters 369 (Army YOH-6A), 369A (Army OH-6A), 369D and 9 more. Effective Oct 10, 2025 - [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023 - [AD 2007-09-51](https://openairdocs.org/ad/2007-09-51): Tail rotor blade · MD Helicopters 369, 369A, 369D and 7 more. Effective Jul 5, 2007 - [AD 98-09-02](https://openairdocs.org/ad/98-09-02): Overrunning Clutch Assembly Outer Race · MD Helicopters 369, 369A, 369D and 8 more. Effective May 6, 1998 - [AD 96-10-09](https://openairdocs.org/ad/96-10-09): Blade Root End Crack Inspection · MD Helicopters 369, 369A, 369D and 8 more. Effective May 29, 1996 - [AD 95-03-13](https://openairdocs.org/ad/95-03-13): Main Rotor Blade Attach Lugs · MD Helicopters 369, 369A, 369D and 7 more. Effective Mar 21, 1995 - [AD 95-03-11](https://openairdocs.org/ad/95-03-11): Tail Rotor Bade Inspection · MD Helicopters 369, 369A, 369D and 7 more. Effective Mar 1, 1995 - [AD 94-18-08](https://openairdocs.org/ad/94-18-08): Tail Rotor Blade Inspection · MD Helicopters 369, 369A, 369D and 7 more. Effective Jan 13, 1992 - [AD 91-08-02](https://openairdocs.org/ad/91-08-02): Tail Rotor Blades · MD Helicopters 369, 369A, 369D and 7 more. Effective May 3, 1991 - [AD 81-26-01 R1](https://openairdocs.org/ad/81-26-01-R1): Main Rotor Drive Shaft · MD Helicopters 369, 369A, 369D and 7 more. Effective Oct 31, 1990 - [AD 90-19-02](https://openairdocs.org/ad/90-19-02): Clutch Assembly · MD Helicopters 369, 369A, 369D and 7 more. Effective Oct 5, 1990 - [AD 90-01-08](https://openairdocs.org/ad/90-01-08): Driveshaft Coupling · MD Helicopters 369, 369A, 369D and 7 more. Effective Feb 5, 1990 - [AD 89-23-14](https://openairdocs.org/ad/89-23-14): Main Rotor Collective Tubes · MD Helicopters 369, 369A, 369D and 7 more. Effective Dec 4, 1989 - [AD 86-20-07](https://openairdocs.org/ad/86-20-07): Tail Rotor Drive Shaft · MD Helicopters 369, 369A, 369D and 5 more. Effective Oct 24, 1986 - [AD 86-01-04](https://openairdocs.org/ad/86-01-04): Tail Rotor Blades · MD Helicopters 369, 369A, 369D and 7 more. Effective Feb 14, 1986 - [AD 84-01-02 R1](https://openairdocs.org/ad/84-01-02-R1): Rotor System Control · MD Helicopters 369, 369A, 369D and 6 more. Effective Apr 9, 1984 - [AD 82-14-01](https://openairdocs.org/ad/82-14-01): With Chadwick C-20 Auxiliary Fuel System · Chadwick C-20 auxiliary fuel system (Phoenix Air-Atlanta STC SH129WE). Effective Jul 30, 1982 - [AD 82-01-08](https://openairdocs.org/ad/82-01-08): Lever Control Rod · MD Helicopters 369, 369A, 369D and 5 more. Effective Jan 7, 1982 - [AD 80-25-01](https://openairdocs.org/ad/80-25-01): Tail Rotor Drive Shaft · MD Helicopters 369, 369A, 369D and 4 more. Effective Dec 4, 1980 - [AD 80-24-04](https://openairdocs.org/ad/80-24-04): Placard -Front Seat Occupancy · MD Helicopters 369, 369A, 369D and 4 more. Effective Dec 4, 1980 - [AD 80-08-04](https://openairdocs.org/ad/80-08-04): Auxiliary Fuel System · Chadwick C-20 auxiliary fuel system (Phoenix Air-Atlanta STC SH129WE or SH139WE). Effective Apr 17, 1980 - [AD 77-21-04](https://openairdocs.org/ad/77-21-04): Clutch and Shaft Assembly · MD Helicopters 369, 369A, 369D and 4 more. Effective Aug 31, 1977 - [AD 75-22-03](https://openairdocs.org/ad/75-22-03): Tail Rotor Drive Shaft · MD Helicopters 369, 369A, 369H and 3 more. Effective Oct 24, 1975 - [AD 75-22-04](https://openairdocs.org/ad/75-22-04): Tail Rotor Blades · MD Helicopters 369, 369A, 369H and 3 more. Effective Oct 23, 1975 - [AD 75-10-04](https://openairdocs.org/ad/75-10-04): Tail Rotor Blades · MD Helicopters 369, 369A, 369H and 3 more. Effective Apr 17, 1975 - [AD 74-20-04](https://openairdocs.org/ad/74-20-04): Main Rotor Blade · MD Helicopters 369, 369A, 369H and 3 more. Effective Sep 25, 1974 - [AD 70-16-07](https://openairdocs.org/ad/70-16-07): Main Rotor Blade · MD Helicopters 369, 369A, 369H and 3 more. Effective Aug 8, 1970 ### Historical (superseded or no longer in force) - [AD 2024-23-06](https://openairdocs.org/ad/2024-23-06) (historical): Rotorcraft Flight Control · MD Helicopters 369, 369A, 369D and 11 more. Effective Dec 24, 2024 - [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021 - [AD 81-07-10 R1](https://openairdocs.org/ad/81-07-10-R1) (historical): Cargo hook operating time recordation · Hughes Helicopters 369 Series. Effective Nov 30, 1981 - [AD 81-07-10](https://openairdocs.org/ad/81-07-10) (historical): Overrunning clutch assembly failure which will result in the loss of engine power · MD Helicopters 369. Effective Apr 9, 1981 ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N191VS. ## FAA accident and incident reports None matched to N191VS. ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (66, first 50) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Hughes 369) - [STC SR01059LA](https://openairdocs.org/stc/SR01059LA): Installation of right side dual utility mount. Airfilm Camera Systems LLC - [STC SR00709AT](https://openairdocs.org/stc/SR00709AT): Installation of Starter-Generator Cooling Kit. Precision Heli-Support LLC - [STC SR00771LA](https://openairdocs.org/stc/SR00771LA): Installation of right-side utility mount. Airfilm Camera Systems LLC - [STC SR00772LA](https://openairdocs.org/stc/SR00772LA): Installation of left-side utility mount. Airfilm Camera Systems LLC - [STC SR00862LA](https://openairdocs.org/stc/SR00862LA): Installation of aft belly utility mount. Airfilm Camera Systems LLC - [STC SR04637CH](https://openairdocs.org/stc/SR04637CH): 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): Installation of pneumatic door actuators. Dart Aerospace USA Inc - [STC SR04160CH](https://openairdocs.org/stc/SR04160CH): Installation of Heli-Preheat Kit, p/n TA3089-1 for 115 volt application. HARTZELL PROPELLER INC - [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): 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): Installation of engine firewall in Hughes 369 model helicopter. Thoroughbred Aviation Maintenance Inc - [STC SR00450AT](https://openairdocs.org/stc/SR00450AT): Installation of a seat pan inspection panel. Thoroughbred Aviation Maintenance Inc - [STC SR00823AT](https://openairdocs.org/stc/SR00823AT): This modification will allow the installation or rear extended cabin step. Thoroughbred Aviation Maintenance Inc - [STC SR00829AT](https://openairdocs.org/stc/SR00829AT): Installation of front extended cabin step. Thoroughbred Aviation Maintenance Inc - [STC SR01839AT](https://openairdocs.org/stc/SR01839AT): Installation of cyclic friction levers. Thoroughbred Aviation Maintenance Inc - [STC SH1152NW](https://openairdocs.org/stc/SH1152NW): Installation of the Automatic Flagman Model 135 Control Stick Grip. Air Products & Parts LLC - [STC SR02001SE](https://openairdocs.org/stc/SR02001SE): Fabrication and installation of Model 72448 locking fuel cover assembly. Timberline Aerospace LLC - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC - [STC SA615EA](https://openairdocs.org/stc/SA615EA): 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): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies - [STC SR02458LA](https://openairdocs.org/stc/SR02458LA): Compressor Plenum Inspection Panel installed. Precision Heli-Support, LLC - [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC - [STC SH4344NM](https://openairdocs.org/stc/SH4344NM): Replace existing fiberglass strut leg fairings with aluminum fairings. Cascade STC LLC - [STC SH4909NM](https://openairdocs.org/stc/SH4909NM): Replace the aft engine compartment heat blanket with a stainless steel firewall. Cascade STC LLC - [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): 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): Installation of a Simplex Manufacturing Company Model 8500 agricultural tank sprayer. Simplex Manufacturing Company - [STC SR01960LA](https://openairdocs.org/stc/SR01960LA): Installation of removable seat pans. Aerometals - [STC SH2288NM](https://openairdocs.org/stc/SH2288NM): Installation of Spectrolab SX-16C nightsun searchlight. Gerbino Flight Systems - [STC SH250WE](https://openairdocs.org/stc/SH250WE): Installation of a P.A. speaker kit. Allen J Gerbino, Gerbino Flight Systems - [STC SH2530NM](https://openairdocs.org/stc/SH2530NM): Installation of quick removal door hinges. Gerbino Flight Systems - [STC SH281WE](https://openairdocs.org/stc/SH281WE): Installation of VIP single passenger seats. Gerbino Flight Systems - [STC SH207WE](https://openairdocs.org/stc/SH207WE): Installation of range extension fuel tank in cargo area. ROBERTSON FUEL SYSTEMS LLC - [STC SR00103SE](https://openairdocs.org/stc/SR00103SE): Installation of Aviation Development Corporation oil filter. Aviation Development Corporation - [STC SR01924LA](https://openairdocs.org/stc/SR01924LA): Installation of a Platinum Aviation cockpit pedestal slant panel. Integrated Flight Systems - [STC SH2372SO](https://openairdocs.org/stc/SH2372SO): Modify the gearbox breather system. Rotor Wing, Inc - [STC SR00062BO](https://openairdocs.org/stc/SR00062BO): 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): Installation of Fibre Reinforced Plastic Interior Trim Panels and Ducting. Prism Helicopters Ltd - [STC SR01430LA](https://openairdocs.org/stc/SR01430LA): Installation of Stainless Steel Skid shoes. Papas Gary Los Angeles Laboratories Inc - [STC SR01682LA](https://openairdocs.org/stc/SR01682LA): Installation of cargo rack. Tyler Camera Systems - [STC SH390NW](https://openairdocs.org/stc/SH390NW): 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): Installation of Technisonic Industries Limited TFM-138 series transceiver models. Technisonic Industries Limited - [STC SR01834NY](https://openairdocs.org/stc/SR01834NY): Installation of Globalstar Satellite Telephone System. Atlantic Avionics Inc - [STC SH980NE](https://openairdocs.org/stc/SH980NE): Installation of a Heli-Logistics Ltd. P/N HL92116 engine upper firewall. Heli-Logistics Ltd - [STC SA2294SO](https://openairdocs.org/stc/SA2294SO): 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): Installation of Teledyne Battery Products G-641 and G-641S lead-acid battery. Teledyne Battery Products - [STC SR00716SE](https://openairdocs.org/stc/SR00716SE): 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): Installation of Utah Research and Development Co. Model 124BC101 battery charging system. Aviall Services, Inc - [STC SR00125BO](https://openairdocs.org/stc/SR00125BO): 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): 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): 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): Installation of forward door and aft door bubble type windows. Tech-Tool Plastics Inc All 66: https://openairdocs.org/aircraft/N191VS/stcs.md ## Related - Other Hughes 369 aircraft: https://openairdocs.org/model/hughes-369/aircraft.md --- 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.