# N5027P: 1981 Hughes Helicopters HUGHES 369D

- Status: Valid registration
- Airframe: [Hughes Helicopters HUGHES 369D](https://openairdocs.org/model/hughes-helicopters-hughes-369d) (registry code 4470706, 4 seats)
- Engine: [Allison 250-C20B](https://openairdocs.org/engine/allison-250-c20b) (registry code 03081)
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) (MD Helicopters LLC), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (Rolls-Royce Corporation) (OpenAirDocs)
- Serial number: 611002D
- Year built: 1981
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Multiple
- Airworthiness date: March 8, 2007
- Certificate issued: March 8, 2024
- Expires: March 31, 2031
- Mode S code: A644B9
- Registered owner: [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5027P
- Page: https://openairdocs.org/aircraft/N5027P

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): 81 in force

### Matched by airframe (Hughes Helicopters HUGHES 369D)

- [AD 2026-21-05](https://openairdocs.org/ad/2026-21-05): Engine/transmission coupling · MD Helicopters 369D, 369E, 369F and 3 more. Effective Nov 27, 2026
- [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 2024-20-07](https://openairdocs.org/ad/2024-20-07): Emergency Equipment; Emergency Flotation Section · Apical Emergency Float Kit, P/N 20498 (STC SR00780LA or 12 others). Effective Dec 5, 2024
- [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 2021-22-11](https://openairdocs.org/ad/2021-22-11): Tail Rotor Control System · MD Helicopters 369D, 369E, 369F and 7 more. Effective Jan 10, 2022
- [AD 2020-18-20](https://openairdocs.org/ad/2020-18-20): Main Rotor Blade · MD Helicopters 369A, 369D, 369E and 7 more. Effective Oct 28, 2020
- [AD 2020-11-07](https://openairdocs.org/ad/2020-11-07): Main Rotor System · MD Helicopters 369D, 369E, 369FF and 6 more. Effective Jun 30, 2020
- [AD 2019-05-04](https://openairdocs.org/ad/2019-05-04): Main Rotor Blade · MD Helicopters 369A, 369D, 369E and 7 more. Effective Apr 17, 2019
- [AD 2016-05-09](https://openairdocs.org/ad/2016-05-09): Fuel Quantity Indicating System · MD Helicopters 369A, 369D, 369E and 7 more. Effective Apr 15, 2016
- [AD 2016-04-15](https://openairdocs.org/ad/2016-04-15): Main Rotor Blades · MD Helicopters 369A, 369D, 369E and 6 more. Effective Mar 31, 2016
- [AD 2013-19-24](https://openairdocs.org/ad/2013-19-24): Tail Rotor Blades · MD Helicopters 369A, 369D, 369E and 6 more. Effective Dec 5, 2013
- [AD 2013-05-16](https://openairdocs.org/ad/2013-05-16): Tailboom assembly · MD Helicopters 369D, 369E, 369F and 1 more. Effective Apr 30, 2013
- [AD 2008-15-03](https://openairdocs.org/ad/2008-15-03): Tail rotor (T/R) blade abrasion strip · MD Helicopters 369A, 369D, 369E and 6 more. Effective Sep 3, 2008
- [AD 2007-12-23](https://openairdocs.org/ad/2007-12-23): Landing gear fairing support assembly · MD Helicopters 369A, 369D, 369E and 7 more. Effective Jul 19, 2007
- [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 2005-21-02](https://openairdocs.org/ad/2005-21-02): Main rotor blade (blade) · Main rotor blades P/N 500P2300-501/503/505 (Helicopter Technology STC SR01050LA or 2 others). Effective Nov 1, 2005
- [AD 2002-13-05 R1](https://openairdocs.org/ad/2002-13-05-R1): Tail rotor gearbox · Aerometals tailboom, P/N 369X23500-505, 507 (STC SH5055NM or SH4801NM). Effective Feb 25, 2003
- [AD 2000-25-52](https://openairdocs.org/ad/2000-25-52): Main rotor blade · MD Helicopters 369A, 369D, 369E and 6 more. Effective Feb 6, 2001
- [AD 2000-08-22](https://openairdocs.org/ad/2000-08-22): Turbine Outlet Temperature (TOT) Indicating System · MD Helicopters 369D, 369E, 500N and 1 more. Effective May 22, 2000
- [AD 99-20-12](https://openairdocs.org/ad/99-20-12): Bracket P/N 369F5190-1 · MD Helicopters 369D, 369E, 369FF and 2 more. Effective Nov 4, 1999
- [AD 99-13-09](https://openairdocs.org/ad/99-13-09): Fork Assembly Inspection · MD Helicopters 369D and 369E. Effective Aug 4, 1999
- [AD 99-04-12](https://openairdocs.org/ad/99-04-12): Input Shaft Coupling Assembly · MD Helicopters 369D, 369E, 369FF and 3 more. Effective Mar 23, 1999
- [AD 98-21-12](https://openairdocs.org/ad/98-21-12): Overrunning Clutch Retainer Inspection · MD Helicopters 369D, 369E, 369FF and 1 more. Effective Oct 22, 1998
- [AD 98-15-26](https://openairdocs.org/ad/98-15-26): Main Rotor Blade Cracking Inspection · MD Helicopters 369A, 369D, 369E and 8 more. Effective Aug 3, 1998
- [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 97-15-08](https://openairdocs.org/ad/97-15-08): Transmission Output Drive Gear · MD Helicopters 369D, 369E, 369F and 2 more. Effective Aug 4, 1997
- [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 96-08-03](https://openairdocs.org/ad/96-08-03): Hardpoint Assemblies · Hardpoints (Flight Trails Helicopters STC SH6080NM). Effective May 20, 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 94-24-04](https://openairdocs.org/ad/94-24-04): Pitch Control Assembly · MD Helicopters 369D, 369E, 369F and 1 more. Effective Dec 13, 1994
- [AD 93-18-05](https://openairdocs.org/ad/93-18-05): Fuel Vent Line · MD Helicopters 369D, 369E, 369F and 2 more. Effective Dec 21, 1993
- [AD 93-07-10](https://openairdocs.org/ad/93-07-10): Airspeed Limitations · External cargo container (Gajon Associates STC SH1134EA). Effective Jul 6, 1993
- [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 90-24-07](https://openairdocs.org/ad/90-24-07): Main Rotor Transmission Bolts · MD Helicopters 369D, 369E, 369F and 1 more. Effective Dec 10, 1990
- [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 89-02-01 R1](https://openairdocs.org/ad/89-02-01-R1): Main Rotor Blade Strap Assemblies · MD Helicopters 369D, 369E, 369F and 1 more. Effective Jul 19, 1990
- [AD 90-12-03](https://openairdocs.org/ad/90-12-03): Tail Rotor Bearing Assembly · MD Helicopters 369D, 369E, 369F and 1 more. Effective Jun 22, 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 88-17-09 R1](https://openairdocs.org/ad/88-17-09-R1): Tail Rotor Transmission · MD Helicopters 369D, 369E, 369F and 1 more. Effective Dec 26, 1989
- [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 89-20-02](https://openairdocs.org/ad/89-20-02): Tail Rotor Hubs · MD Helicopters 369D and 369E. Effective Oct 16, 1989
- [AD 87-18-12 R1](https://openairdocs.org/ad/87-18-12-R1): Main Rotor Transmission · MD Helicopters 369D, 369E, 369F and 1 more. Effective Jan 15, 1988
- [AD 87-18-11](https://openairdocs.org/ad/87-18-11): Main Rotor Transmission And Drive Shaft · MD Helicopters 369D, 369E, 369F and 1 more. Effective Sep 1, 1987
- [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 84-12-01 R1](https://openairdocs.org/ad/84-12-01-R1): Approved Rotor Blades · MD Helicopters 369D and 369E. Effective Oct 24, 1984

### Matched by engine (Allison 250-C20B)

- [AD 2022-10-06](https://openairdocs.org/ad/2022-10-06): Turbine Section · Rolls-Royce 250-C20, 250-C20B, 250-C20C (T63-A-720) and 9 more. Effective Jun 28, 2022
- [AD 2018-13-01](https://openairdocs.org/ad/2018-13-01): Turbine Governor · Rolls-Royce 250-C10 (T63-A-5), 250-C18, 250-C18A and 24 more. Effective Aug 16, 2018
- [AD 2006-16-04](https://openairdocs.org/ad/2006-16-04): Inspection of the fuel nozzle screen · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Sep 7, 2006
- [AD 2006-13-06](https://openairdocs.org/ad/2006-13-06): Gas producer rotor assembly tie bolts · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 16 more. Effective Jul 26, 2006
- [AD 2005-10-13](https://openairdocs.org/ad/2005-10-13): Turbine energy absorbing ring · Rolls-Royce 250-B17B, 250-B17C, 250-B17D and 7 more. Effective Jun 22, 2005
- [AD 2004-26-09](https://openairdocs.org/ad/2004-26-09): Compressor Adaptor Couplings · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 8 more. Effective Feb 8, 2005
- [AD 2001-24-12](https://openairdocs.org/ad/2001-24-12): Helical Torquemeter Gearshaft Assembly · Rolls-Royce 250-B17, 250-B17C, 250-B17D and 13 more. Effective Dec 19, 2001
- [AD 98-24-28](https://openairdocs.org/ad/98-24-28): Main Fuel Control Bellows · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 36 more. Effective Jan 7, 1999
- [AD 96-19-01](https://openairdocs.org/ad/96-19-01): Superior Air Parts Manufacture Approval (PMA) Bearings · Rolls-Royce 250-B15G, 250-B17F, 250-B17F/1 and 17 more. Effective Sep 26, 1996
- [AD 88-17-01](https://openairdocs.org/ad/88-17-01): Fuel Controls · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 26 more. Effective Mar 1, 1989
- [AD 83-03-02 R1](https://openairdocs.org/ad/83-03-02-R1): Slotted Third Stage Turbine Wheels · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 5 more. Effective Feb 28, 1984
- [AD 82-24-05](https://openairdocs.org/ad/82-24-05): Control Assembly and Power Turbine Governor Assembly · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Nov 26, 1982
- [AD 82-13-03](https://openairdocs.org/ad/82-13-03): Modify Engine High Pressure Fuel Control Filter Assembly · Rolls-Royce 250-C20 and 250-C20B. Effective Jul 1, 1982
- [AD 79-21-01 R1](https://openairdocs.org/ad/79-21-01-R1): Third Stage Turbine Wheel Blade · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 3 more. Effective Jun 3, 1981
- [AD 78-14-08](https://openairdocs.org/ad/78-14-08): Fuel Pump Drive Spline · Rolls-Royce 250-C18, 250-C18A, 250-C18B and 3 more. Effective Oct 24, 1979
- [AD 77-15-12](https://openairdocs.org/ad/77-15-12): Power Turbine Coupling Nut · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 23 more. Effective Sep 23, 1977
- [AD 77-09-08](https://openairdocs.org/ad/77-09-08): Bleed Valve Diaphragm · Rolls-Royce 250-B17, 250-B17B, 250-C20 and 2 more. Effective Jul 18, 1977

### 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 2003-24-01](https://openairdocs.org/ad/2003-24-01) (historical): Main rotor blade (blade) · Replacement main rotor blade (Helicopter Technology STC SR09074RC or 2 others). Effective Dec 10, 2003
- [AD 2003-08-51](https://openairdocs.org/ad/2003-08-51) (historical): Tail rotor blade pitch horn (pitch horn) · MD Helicopter 369A, 369D, 369E and 6 more. Effective Jul 17, 2003
- [AD 2002-13-05](https://openairdocs.org/ad/2002-13-05) (historical): Tail rotor gearbox · Modification of tailboom attaching hardware (Aerometals STC SH4801NM or SH5055NM). Effective Aug 1, 2002
- [AD 2000-24-51](https://openairdocs.org/ad/2000-24-51) (historical): Blade Spar · MD Helicopter 369A, 369D, 369E and 6 more
- [AD 2017-18-14](https://openairdocs.org/ad/2017-18-14) (historical): Turbine Section · Rolls-Royce 250-C20, 250-C20B, 250-C20F and 8 more. Effective Oct 13, 2017
- [AD 2015-02-22](https://openairdocs.org/ad/2015-02-22) (historical): Repetitive visual inspections · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 15 more. Effective Mar 9, 2015
- [AD 2012-14-06](https://openairdocs.org/ad/2012-14-06) (historical): Released turbine blades and shrouds · Rolls-Royce 250-C20, 250-C20B and 250-C20R/2. Effective Aug 14, 2012
- [AD 2004-24-09](https://openairdocs.org/ad/2004-24-09) (historical): Fuel nozzle · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 40 more. Effective Jan 5, 2005
- [AD 2001-20-51](https://openairdocs.org/ad/2001-20-51) (historical): Helical Torquemeter Gearshaft Assembly · 250-B17, 250-B17C, 250-B17D and 12 more

All 92: https://openairdocs.org/aircraft/N5027P/ads.md

## Information bulletins (advisory) (2 in force)

- [SAIB AIR-21-19R1](https://openairdocs.org/saib/AIR-21-19R1): AERIAL TOW EQUIPMENT, Side Pull Hook. Issued Nov 29, 2021
- [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012
- [SAIB AIR-21-19](https://openairdocs.org/saib/AIR-21-19) (historical): AERIAL TOW EQUIPMENT, Side Pull Hook. Issued Nov 29, 2021

## NTSB investigations (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA23LA293](https://openairdocs.org/ntsb/ERA23LA293), Jul 9, 2023: Hughes 369D (N5027P), Waldorf, MD, substantial damage. Probable cause: Fatigue failure of the overrunning clutch outer race and a subsequent inflight loss of power due to abnormal bending loads as a result of improper reassembly of the clutch subassembly following…
- [NTSB BFO94LA155](https://openairdocs.org/ntsb/BFO94LA155), Aug 28, 1994: Hughes 369D (N5027P), Butler, PA, substantial damage. Probable cause: The malfunction of the emergency fuel vent and the exhaustion of the fuel supply which resulted in the loss of engine power.

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20230709009939A](https://openairdocs.org/incident/20230709009939A), Jul 9, 2023: Hughes 369D (N5027P), Waldorf, MD, Substantial damage. Pilot was in cruise flight recovering from power line survey commercial flight to indian head, MD (2W5), due to incoming weather system. Approximately 6 mi se…
- [Accident 19940828023729A](https://openairdocs.org/incident/19940828023729A), Aug 28, 1994: Hughes 369D (N5027P), Butler, PA, Substantial damage. Lost power. Autorotated. Low rotor RPM to reach open area. Hard landing. Main rotors chopped tailboom. Out of fuel.

## Service difficulty reports (42)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR LS1R088304](https://openairdocs.org/sdr/LS1R088304), Oct 17, 2002: PUMP. INOPERATIVE. FUEL PUMP INOPERATIVE.
- [SDR LS1R088298](https://openairdocs.org/sdr/LS1R088298), Mar 2, 2002: INDICATOR. NOISY. DUAL TACH INDICATOR NOISY.
- [SDR LS1R076732](https://openairdocs.org/sdr/LS1R076732), Oct 22, 2001: VENT LINE. BENT. FUEL VENT LINE IS BENT.
- [SDR LS1R076729](https://openairdocs.org/sdr/LS1R076729), Oct 22, 2001: PITCH CONTROL. WORN. TAIL ROTOR PITCH CONTROL IS WORN EXCESSIVELY.
- [SDR LS1R076728](https://openairdocs.org/sdr/LS1R076728), Oct 22, 2001: BELLCRANK. WORN. TAIL ROTOR BELLCRANK EARS WORN AND SPRUNG.
- [SDR LS1R076727](https://openairdocs.org/sdr/LS1R076727), Oct 22, 2001: EPO ASSY. MALFUNCTIONED. LOW ROTOR RPM ACTUATES WHEN EPO IS ACTIVATED.
- [SDR LS1R076721](https://openairdocs.org/sdr/LS1R076721), Oct 22, 2001: FUEL CONTROL. MALFUNCTIONED. MAKES ENGINE RUMBLE AT IDLE; ENGINE N1 DECREASES 1/2 TO 1 PERCENT WITH START PUMP ON AND RETURNS TO NORMAL WHEN OFF.
- [SDR LS1R075710](https://openairdocs.org/sdr/LS1R075710), Sep 5, 2001: EPO ASSY. MALFUNCTIONED. PART WARNING SIGNAL ACTIVATES.
- [SDR LS1R074920](https://openairdocs.org/sdr/LS1R074920), Jul 20, 2001: LINK. WORN. PART IS WORN EXCESSIVELY.
- [SDR LS1R074919](https://openairdocs.org/sdr/LS1R074919), Jul 20, 2001: LINK. WORN. PART IS WORN EXCESSIVELY.
- [SDR LS1R073488](https://openairdocs.org/sdr/LS1R073488), Jun 19, 2001: RADIO. STUCK. PART IS STICKING.
- [SDR LS1R073265](https://openairdocs.org/sdr/LS1R073265), Jun 4, 2001: RADIO. DISTORTED. VHF RADIO IS DISTORTED.
- [SDR LS1R066574](https://openairdocs.org/sdr/LS1R066574), Mar 20, 2000: TACH GENERATOR. INOPERATIVE. TACHOMETER/GENERATOR IS INOPERATIVE. NO SIGNAL FROM LEA WINDING.
- [SDR LS1R066433](https://openairdocs.org/sdr/LS1R066433), Feb 24, 2000: BOWL. INOPERATIVE. PART IS INOPERATIVE, FAILED BYPASS INDICATOR TEST.
- [SDR LS1R065958](https://openairdocs.org/sdr/LS1R065958), Feb 11, 2000: DIMMER CONTROL. INOPERATIVE. DIMMER CONTROL IS INOPERATIVE, PANEL LIGHTS INOPERATIVE.
- [SDR AGQA065695](https://openairdocs.org/sdr/AGQA065695), Feb 4, 2000: DAMPER. DISCHARGED. MAIN LANDING GEAR DAMPER IS LOW.
- [SDR AGQA065694](https://openairdocs.org/sdr/AGQA065694), Feb 4, 2000: DAMPER. DISCHARGED. MAIN LANDING DAMPER IS LOW.
- [SDR AGQA065672](https://openairdocs.org/sdr/AGQA065672), Jan 24, 2000: INDICATOR. STICKING. TACHOMETER IS STICKING.
- [SDR AGQA065565](https://openairdocs.org/sdr/AGQA065565), Jan 7, 2000: BEARINGS. DAMAGED. BEARINGS ARE BAD AND WIRES BROKEN.
- [SDR AGQA065563](https://openairdocs.org/sdr/AGQA065563), Jan 7, 2000: INDICATOR. ERRATIC. TOT GAUGE ERRATIC.
- [SDR AGQA065558](https://openairdocs.org/sdr/AGQA065558), Jan 6, 2000: SWASHPLATE. NOISY. SWASHPLATE IS NOISEY, SLIGHT CLICKING NOISE WHEN ROTATING TAIL ROTOR.
- [SDR AGQA065546](https://openairdocs.org/sdr/AGQA065546), Jan 6, 2000: BLEED VALVE. FAILED. BLEED VALVE PRODUCES LOW POWER- HIGH N1 SPEED.
- [SDR LS1R99108](https://openairdocs.org/sdr/LS1R99108), Oct 7, 1999: INDICATOR. INTERMITTENT. ENGINE OIL TEMPERATURE INDICATOR INTERMITTENTLY JUMPS. REMOVED AND REPLACED. (X)
- [SDR 99ZZZX2602](https://openairdocs.org/sdr/99ZZZX2602), Jun 25, 1999: GOVERNOR. MALFUNCTIONED. GOVERNOR SLOW TO RESPOND. REMOVED AND REPLACED.
- [SDR 99ZZZX1702](https://openairdocs.org/sdr/99ZZZX1702), Apr 5, 1999: PITCH. WORN. ROD END BEARING WORN. REMOVED AND REPLACED.
- [SDR 99ZZZX1545](https://openairdocs.org/sdr/99ZZZX1545), Mar 22, 1999: START/GENERATOR. FAILED. STARTER/GENERATOR FAILED INTERNALLY. REMOVED AND REPLACED.
- [SDR 99ZZZX1353](https://openairdocs.org/sdr/99ZZZX1353), Feb 19, 1999: GOVERNOR. MALFUNCTIONED. SURGING. REMOVED AND REPLACED. SENT FOR EVALUATION/REPAIR.
- [SDR 99ZZZX258](https://openairdocs.org/sdr/99ZZZX258), Dec 22, 1998: BLADE. DAMAGED. FIRST STAGE BLADES NEED DRESSED OUT. DRESSED BLADES, RETURNED TO SERVICE.
- [SDR 99ZZZX259](https://openairdocs.org/sdr/99ZZZX259), Dec 7, 1998: INDICATOR. MALFUNCTIONED. UNIT REMOVED DUE TO HIGH AND ERRATIC READING. REMOVED AND REPLACED.
- [SDR 98ZZZX4733](https://openairdocs.org/sdr/98ZZZX4733), Nov 11, 1998: GPS. FAILED. CALL-UPS NEED BACK UP BATTERY SERVICE. REMOVED AND REPLACED.
- [SDR 98ZZZX4732](https://openairdocs.org/sdr/98ZZZX4732), Nov 11, 1998: GPS. FAILED. ANTENNA WOULD NOT LOCK ON SATELLITES. REMOVED AND REPLACED.
- [SDR 98ZZZX4345](https://openairdocs.org/sdr/98ZZZX4345), Oct 26, 1998: RCR. FAILED. GENERATOR GOES OFF-LINE. REMOVED AND REPLACED.
- [SDR 98ZZZX3862](https://openairdocs.org/sdr/98ZZZX3862), Sep 22, 1998: LINK. WORN. LINK ASSEMBLY WORN BEYOND LIMITS. REMOVED AND REPLACED.
- [SDR 98ZZZX3652](https://openairdocs.org/sdr/98ZZZX3652), Sep 16, 1998: EXHAUST STACK. CRACKED. PILOT FOUND CRACKS DURING POST-FLIGHT INSPECTION. REMOVED AND REPLACED.
- [SDR 98ZZZX3639](https://openairdocs.org/sdr/98ZZZX3639), Sep 16, 1998: LINK. WORN. WORN BEYOND LIMITS. REMOVED AND REPLACED.
- [SDR 98ZZZX3638](https://openairdocs.org/sdr/98ZZZX3638), Sep 13, 1998: ENCODER. MALFUNCTIONED. ALTITUDE READING OFF 1,000 FEET. REPLACED. RECERTIFIED.
- [SDR 98ZZZX2788](https://openairdocs.org/sdr/98ZZZX2788), Jun 23, 1998: PUMP. STRIPPED. THREADS STRIPPED ON PUMP LOW PRESSURE VALVE. REMOVED FROM AIRCRAFT AND SENT FOR REPAIR.
- [SDR 99ZZZX751](https://openairdocs.org/sdr/99ZZZX751), May 1, 1998: BLEED VALVE. MALFUNCTIONED. ENGINE NOT MAKING POWER. REMOVED AND REPLACED. AWAITING INSPECTION REPORT. REF: CONTROL NR 98-4-15.
- [SDR 99ZZZX755](https://openairdocs.org/sdr/99ZZZX755), Mar 2, 1998: FORK. WORN. SUSPECT ELASTOMORIC BEARINGS WORN. AIRCRAFT PICKED UP HIGH VIBRATION. TAIL ROTOR FORK ASSY REPLACED. TAIL ROTOR BALANCED TO BELOW .2 IPS. AIRCRAFT RELEASED FOR 
- [SDR 99ZZZX750](https://openairdocs.org/sdr/99ZZZX750), Mar 2, 1998: FUEL FILLER. CRACKED. FUEL CELL FILLER CAP LOCKING TABS CRACKED. REPLACED FILLER ASSY. AIRCRAFT RELEASED FOR FLIGHT. REF: CONTROL NR 98-3-2.
- [SDR 98ZZZX818](https://openairdocs.org/sdr/98ZZZX818), Jan 2, 1998: EXHAUST STACK. CRACKED. EXHAUST STACK CRACKED BEYOND REPAIR. SENT FOR ANALYSIS (METAL). UNREPAIRABLE PER MCDONALD DOUGLAS MM. SUBMITTER STATED BECAUSE OF AMOUNT OF CRACKED STACKS, ALL 
- [SDR 97ZZZX4970](https://openairdocs.org/sdr/97ZZZX4970), Nov 16, 1997: TANK. COLLAPSED. AUXILIARY FUEL TANK COLLAPSED DUE TO VACUUM FROM FUEL TRANSFER TO MAIN TANK. UPON INVESTIGATION, FOUND MASKING TAPE WAS PLUGGING THE VENT STANDPIPE APPARENTLY T

## STCs that may be installed (OpenAirDocs) (282, 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 Helicopters HUGHES 369D)

- [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies
- [STC SR12192LA](https://openairdocs.org/stc/SR12192LA): Installation of MD Helicopters (MDH), LLC, Super D20B kit. MD Helicopters, LLC
- [STC SR12311LA](https://openairdocs.org/stc/SR12311LA): Installation of MD Helicopters (MDH), LLC, Super D20R kit in accordance with FAA approved MDH Master Data List. MD Helicopters
- [STC SR01059LA](https://openairdocs.org/stc/SR01059LA): Installation of right side dual utility mount. Airfilm Camera Systems LLC
- [STC SH133WE](https://openairdocs.org/stc/SH133WE): Installation of C-75 cargo rack set. Isolair Inc
- [STC SH3686NM](https://openairdocs.org/stc/SH3686NM): Installation of an Isolair Model3700-110 spray tank system. (500N restricted category). Isolair Inc
- [STC SR00181IB](https://openairdocs.org/stc/SR00181IB): Installation of alternate Cabin Door Latches to replace OEM door locks. Aerologic LLC
- [STC SR00709AT](https://openairdocs.org/stc/SR00709AT): Installation of Starter-Generator Cooling Kit. Precision Heli-Support LLC. Lists 369 Series
- [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 SR00068DE](https://openairdocs.org/stc/SR00068DE): Installation of infrared imaging system. Dart Aerospace Company
- [STC SH5247NM](https://openairdocs.org/stc/SH5247NM): Installation of external pod, camera mount, and 12 volt power provision. Dart Aerospace USA Inc
- [STC SR00146IB](https://openairdocs.org/stc/SR00146IB): nstallation of the Integrated Health and Usage Monitoring System (HUMS). RMCI Canada Inc
- [STC SH2735NM](https://openairdocs.org/stc/SH2735NM): Installation of pneumatic door actuators. Dart Aerospace USA Inc
- [STC SR02808LA](https://openairdocs.org/stc/SR02808LA): Installation of MD500 Side Pull Kit. Aerocraft Incorporated
- [STC SH5206NM](https://openairdocs.org/stc/SH5206NM): Installation of two underfuselage jacking hard points. Dart Aerospace USA Inc
- [STC SR00376DE](https://openairdocs.org/stc/SR00376DE): Installation of laser mapping system. 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 SR00043LA](https://openairdocs.org/stc/SR00043LA): Installation of clip on Main Rotor Swashplate. Pac West Helicopters 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 SR01778SE](https://openairdocs.org/stc/SR01778SE): Installation of Onboard Systems International Cargo Hook Kits and Load Weigh Kit. Onboard Systems International LLC
- [STC SH1837NM](https://openairdocs.org/stc/SH1837NM): Installation of a fore-and-aft medical evacuation litter(s) kit. MD Helicopters LLC
- [STC SR00902DE](https://openairdocs.org/stc/SR00902DE): Installation of External Equipment Mounts for provisions. MD Helicopters Inc
- [STC SR04680NY](https://openairdocs.org/stc/SR04680NY): Installation of Human External Cargo (HEC) Long-Line Kit. Boost Human External Cargo Systems 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. Lists 369 Series
- [STC SR00829AT](https://openairdocs.org/stc/SR00829AT): Installation of front extended cabin step. Thoroughbred Aviation Maintenance Inc. Lists 369 Series
- [STC SR01839AT](https://openairdocs.org/stc/SR01839AT): Installation of cyclic friction levers. Thoroughbred Aviation Maintenance Inc
- [STC SR02859AT](https://openairdocs.org/stc/SR02859AT): Installation of Part Number 369HT21004 main rotor hub fairing as a direct replacement for OEM Part Number 369D21004-11 (BSC). Thoroughbred Aviation Maintenance Inc
- [STC SR03265AT](https://openairdocs.org/stc/SR03265AT): Modification of engine gearbox breather system by the installation of Heli-Tech "HT800-Engine Gearbox Breather Kit", P/N HT800. Thoroughbred Aviation Maintenance Inc
- [STC SR04175AT](https://openairdocs.org/stc/SR04175AT): Installation of the HT400 Inspection Panel Kit. Thoroughbred Aviation Maintenance Inc
- [STC SR02693LA](https://openairdocs.org/stc/SR02693LA): Installation of a redundant system for the primary Cargo Hook system when conducting Human External Cargo (HEC) external loads operations. Onboard Systems International LLC
- [STC SH4908NM](https://openairdocs.org/stc/SH4908NM): Fabrication of Onboard Systems Model 200-034-00, 200-034-01, and 200-034-02 Load Weigh Kits. Onboard Systems International
- [STC SR00407SE](https://openairdocs.org/stc/SR00407SE): Fabrication of Onboard Systems Model 200-187-00 cargo hook kit. Onboard Systems International LLC
- [STC SR00525SE](https://openairdocs.org/stc/SR00525SE): Fabrication of Onboard Systems Model 200-231-00 and 200-231-01 Cargo Hook Attach Point Kit and installation of these Cargo Hook Attach Point Kits. Onboard Systems International
- [STC SR00892SE](https://openairdocs.org/stc/SR00892SE): Fabrication of Onboard Systems International Model 200-264-00, 200-264-01, and 200-264-02 Cargo Hook Kits. Onboard Systems International
- [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 SR02713SE](https://openairdocs.org/stc/SR02713SE): Manufacture and Installation of Human External Cargo (HEC) Hook System. Mechanical Specialties Inc
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR01343NY](https://openairdocs.org/stc/SR01343NY): Installation of main rotor blade tie down tips. VIH Aerospace Inc
- [STC SR04539NY](https://openairdocs.org/stc/SR04539NY): Installation of the Human External Cargo (HEC) System. Boost Human External Cargo Systems Inc
- [STC SH4655NM](https://openairdocs.org/stc/SH4655NM): Installation of Soloy 375-1000 series auxiliary fuel system. Fifty-Ten-Yankee LLC
- [STC SR02712LA](https://openairdocs.org/stc/SR02712LA): Installation of Torque Indicating Systems. Precision Heli-Support LLC
- [STC SR02124SE](https://openairdocs.org/stc/SR02124SE): Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality;. Garmin International Inc
- [STC SH656GL](https://openairdocs.org/stc/SH656GL): Installation of auxiliary fuel system. Fargo Manufacturing Co
- [STC SH698GL](https://openairdocs.org/stc/SH698GL): Installation of belly-mounted cargo carrier. Fargo Manufacturing Co
- [STC SH907GL](https://openairdocs.org/stc/SH907GL): Installation of a starter generator cooling system. Fargo Manufacturing Co

All 282: https://openairdocs.org/aircraft/N5027P/stcs.md

## Earlier aircraft with N5027P

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5027P before.

- [Cancelled 1980-07-31](https://openairdocs.org/deregistered/N5027P-1980-07-31): Piper PA-24-180, S/N 2430. Exported to Canada. Owner: [Catlin Aviation Co](https://openairdocs.org/faa-owner/CATLIN%20AVIATION%20CO), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)

## Related

- Other Hughes Helicopters HUGHES 369D aircraft: https://openairdocs.org/model/hughes-helicopters-hughes-369d/aircraft.md
- The Allison 250-C20B engine: https://openairdocs.org/engine/allison-250-c20b.md

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