# N77RS: 1976 Gates Lear Jet 25C, registration cancelled 2011-06-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 28, 2011
- Status when cancelled: Revoked, pending cancellation
- Airframe: [Gates Lear Jet 25C](https://openairdocs.org/model/gates-lear-jet-25c) (registry code 5170513)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs)
- Serial number: 094
- Year built: 1976
- Type of aircraft: Fixed wing multi engine
- Certificate issued: July 8, 1976
- Last registry action: April 9, 1977
- Mode S code: AA6836
- Owner when cancelled: [Sykes Richard Jr](https://openairdocs.org/faa-owner/SYKES%20RICHARD%20JR)
- Location: [Lake Oswego, OR](https://openairdocs.org/faa-place/OR/Lake%20Oswego)
- Owner type: Individual
- Owner's area on the map: 45.4095° N, 122.6857° W: Placed by OpenAirDocs at the center of ZIP code 97034, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N77RS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=77RS
- Page: https://openairdocs.org/deregistered/N77RS-2011-06-28

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 Gates Lear Jet 25C: https://openairdocs.org/model/gates-lear-jet-25c.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 DCA79AA002](https://openairdocs.org/ntsb/DCA79AA002), Dec 4, 1978: Lear Jet 25C (N77RS), Anchorage, AK, destroyed, 5 fatal

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