# N4776T: Osborne-Posey O-P COUGAR, registration cancelled 1971-06-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 8, 1971
- Status when cancelled: Valid registration
- Airframe: [Osborne-Posey O-P COUGAR](https://openairdocs.org/model/osborne-posey-o-p-cougar) (registry code 6250135)
- Serial number: 1
- Type of aircraft: Fixed wing single engine
- Certificate issued: June 30, 1966
- Mode S code: A5DE57
- Owner when cancelled: [Osborne William H](https://openairdocs.org/faa-owner/OSBORNE%20WILLIAM%20H)
- Location: [St Charles, MO](https://openairdocs.org/faa-place/MO/St%20Charles)
- Owner type: Co-owned
- The mark today: https://openairdocs.org/aircraft/N4776T
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4776T
- Page: https://openairdocs.org/deregistered/N4776T-1971-06-08

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 Osborne-Posey O-P COUGAR: https://openairdocs.org/model/osborne-posey-o-p-cougar.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 MKC67F0079](https://openairdocs.org/ntsb/MKC67F0079), Jun 30, 1966: Cougar O-P (N4776T), St Charles, MO, destroyed

## Other aircraft with N4776T

- [Registered now](https://openairdocs.org/aircraft/N4776T): Cessna R182, S/N R18201762, built 1981

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