# N277SP: Hughes Helicopters HUGHES 369D, registration cancelled 1995-06-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 15, 1995
- Status when cancelled: Triennial form not returned
- Airframe: [Hughes Helicopters HUGHES 369D](https://openairdocs.org/model/hughes-helicopters-hughes-369d) (registry code 4470706)
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) (OpenAirDocs)
- Serial number: 290461D
- Type of aircraft: Rotorcraft
- Certificate issued: November 24, 1986
- Last registry action: April 19, 1995
- Mode S code: A2C21B
- Owner when cancelled: [Skydance Helicopters Inc](https://openairdocs.org/faa-owner/SKYDANCE%20HELICOPTERS%20INC)
- Location: [El Cajon, CA](https://openairdocs.org/faa-place/CA/El%20Cajon)
- Owner type: Corporation
- Owner's area on the map: 32.7956° N, 116.9698° W: Placed by OpenAirDocs at the center of ZIP code 92020, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N277SP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=277SP
- Page: https://openairdocs.org/deregistered/N277SP-1995-06-15

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Hughes Helicopters HUGHES 369D: https://openairdocs.org/model/hughes-helicopters-hughes-369d.md

## NTSB investigations (3)

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 LAX93LA261](https://openairdocs.org/ntsb/LAX93LA261), Jun 19, 1993: Mcdonnell Douglas 369D (N277SP), Half Moon Bay, CA, destroyed, 1 fatal. Probable cause: the pilots failure to maintain an adequate clearance from the light tower and associated electrical power cables. Factors in the accident were; 1) pilot fatigue due to an excessively long duty day,…
- [NTSB FTW83LA421](https://openairdocs.org/ntsb/FTW83LA421), Sep 1, 1983: Hughes 500D (N277SP), Portales, NM, substantial damage
- [NTSB FTW82DA195](https://openairdocs.org/ntsb/FTW82DA195), May 27, 1982: Hughes 500D (N277SP), Amarillo, TX, substantial damage

## FAA accident and incident reports (4)

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 19930619019569A](https://openairdocs.org/incident/19930619019569A), Jun 19, 1993: Hughes 369D (N277SP), Half Moon Bay, CA, Destroyed, 1 fatal. Long hours and fatigued. Struck movie set light boom climbing out to leave area. Had been on duty 17HRS.
- [Incident 19850819049469I](https://openairdocs.org/incident/19850819049469I), Aug 19, 1985: Hughes 369D (N277SP), Lubbock, TX. Passengers coat blew out of aircraft and struck tail rotor. Pilot heard bang and left yaw. No damage found.
- [Accident 19830901045999A](https://openairdocs.org/incident/19830901045999A), Sep 1, 1983: Hughes 369D (N277SP), Portales, NM, Substantial damage. Engine flamed out shortly after takeoff. Was serviced with avgas that needs start pumps on. Pilot reports pumps on.
- [Accident 19820527020419A](https://openairdocs.org/incident/19820527020419A), May 27, 1982: Hughes 369D (N277SP), Amarillo, TX, Substantial damage. During practice autorotation landings, helicopter made hard touchdown flexing rotor blades and chopping tailboom.

## Other aircraft with N277SP

- [Registered now](https://openairdocs.org/aircraft/N277SP): Beech F90, S/N LA-77, built 1980

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