# N505RM: Hughes Helicopters HUGHES 369D, registration cancelled 2004-11-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 5, 2004
- 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: 1080358D
- Type of aircraft: Rotorcraft
- Airworthiness: Standard, normal
- Airworthiness date: October 12, 1978
- Certificate issued: August 10, 2001
- Last registry action: August 17, 2004
- Mode S code: A64E06
- Owner when cancelled: [Volcano Helicopters Inc](https://openairdocs.org/faa-owner/VOLCANO%20HELICOPTERS%20INC)
- Location: [Hilo, HI](https://openairdocs.org/faa-place/HI/Hilo)
- Owner type: Corporation
- Owner's area on the map: 19.6598° N, 155.2325° W: Placed by OpenAirDocs at the center of ZIP code 96720, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N505RM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=505RM
- Page: https://openairdocs.org/deregistered/N505RM-2004-11-05

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 (1)

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 LAX97FA107](https://openairdocs.org/ntsb/LAX97FA107), Feb 21, 1997: Hughes 369D (N505RM), Milolii, HI, substantial damage. Probable cause: failure of the tail rotor for undetermined reason(s), resulting in tail rotor imbalance, separation of the tail rotor, and an autorotative landing on rough terrain with high vegetation. The lack of…

## Other aircraft with N505RM

- [Registered now](https://openairdocs.org/aircraft/N505RM): Cessna 525A, S/N 525A0041, built 2001

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