# N6641D: Hughes OH-6A, registration cancelled 2018-05-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 31, 2018
- Status when cancelled: Sale reported, canceled
- Airframe: [Hughes OH-6A](https://openairdocs.org/model/hughes-oh-6a) (registry code 4470905)
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) (OpenAirDocs)
- Serial number: 66-07855
- Type of aircraft: Rotorcraft
- Last registry action: May 4, 2015
- Mode S code: A8C594
- Location: Hagatna, GU, Guam
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N6641D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6641D
- Page: https://openairdocs.org/deregistered/N6641D-2018-05-31

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 OH-6A: https://openairdocs.org/model/hughes-oh-6a.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 WPR09TA277](https://openairdocs.org/ntsb/WPR09TA277), Jun 4, 2009: Hughes OH-6A (N6641D), Benson, AZ, substantial damage. Probable cause: The pilot under instruction's inadequate autorotation technique and the instructor pilot’s delayed remedial action to arrest the rate of descent of the helicopter while in an autorotation flare.

## FAA accident and incident reports (1)

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 20090604018059A](https://openairdocs.org/incident/20090604018059A), Jun 4, 2009: Hughes OH6A (N6641D), Benson, AZ, Substantial damage. (-23) While practicing autorotation procedures, touched, down, aircraft jumped off runway, not enough RPM to maintain flight. Contracted ground second time and…

## Other aircraft with N6641D

- [Cancelled 1962-11-13](https://openairdocs.org/deregistered/N6641D-1962-11-13): Lockheed PV-2, S/N 37505. Owner: [Trade-Ayer Inc](https://openairdocs.org/faa-owner/TRADE-AYER%20INC), [Linden, NJ](https://openairdocs.org/faa-place/NJ/Linden)

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