# N266: Sikorsky UH-34D, registration cancelled 1971-07-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 19, 1971
- Status when cancelled: Valid registration
- Airframe: [Sikorsky UH-34D](https://openairdocs.org/model/sikorsky-uh-34d) (registry code 8141818)
- Data sheets: [TCDS H4SO](https://openairdocs.org/tcds/H4SO) (OpenAirDocs)
- Serial number: 150729
- Type of aircraft: Rotorcraft
- Certificate issued: July 13, 1965
- Mode S code: A29546
- Owner when cancelled: [Department Of The Navy](https://openairdocs.org/faa-owner/DEPARTMENT%20OF%20THE%20NAVY)
- Owner type: Government
- The mark today: https://openairdocs.org/aircraft/N266
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=266
- Page: https://openairdocs.org/deregistered/N266-1971-07-19

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 Sikorsky UH-34D: https://openairdocs.org/model/sikorsky-uh-34d.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 OAK66A0014](https://openairdocs.org/ntsb/OAK66A0014), Oct 7, 1965: Sikorsky UH34D (N266), Bishop, CA, substantial damage

## Other aircraft with N266

- [Cancelled 2013-09-20](https://openairdocs.org/deregistered/N266-2013-09-20): Anderson/Dunaway/Miller MAXAIR DRIFTER XP503, S/N 901, built 1992. Registration expired, pending cancellation. Owner: [Anderson Robert F](https://openairdocs.org/faa-owner/ANDERSON%20ROBERT%20F), [Vicksburg, MS](https://openairdocs.org/faa-place/MS/Vicksburg)
- [Cancelled 1935-11-07](https://openairdocs.org/deregistered/N266-1935-11-07): Waco 9, S/N 87, built 1925. Owner: [Frakes F F](https://openairdocs.org/faa-owner/FRAKES%20F%20F), [Columbia, TN](https://openairdocs.org/faa-place/TN/Columbia)

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