# N600C: Gates Learjet 55, registration cancelled 2026-09-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 20, 2026
- Status when cancelled: Valid registration
- Airframe: [Gates Learjet 55](https://openairdocs.org/model/gates-learjet-55) (registry code 5170702)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs)
- Serial number: 55-047
- Type of aircraft: Fixed wing multi engine
- Airworthiness: Standard, transport
- Airworthiness date: June 27, 1982
- Certificate issued: February 2, 2017
- Last registry action: January 22, 2023
- Mode S code: A7C771
- Owner when cancelled: [1982-047 LLC](https://openairdocs.org/faa-owner/1982-047%20LLC)
- Location: [Rochester, NY](https://openairdocs.org/faa-place/NY/Rochester)
- Owner type: LLC
- Owner's area on the map: 43.1567° N, 77.6052° W: Placed by OpenAirDocs at the center of ZIP code 14604, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N600C
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=600C
- Page: https://openairdocs.org/deregistered/N600C-2026-09-20

From the FAA registry file of November 12, 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 Learjet 55: https://openairdocs.org/model/gates-learjet-55.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 ERA23LA126](https://openairdocs.org/ntsb/ERA23LA126), Feb 11, 2023: Gates Learjet 55 (N600C), Rochester, NY, substantial damage. Probable cause: The pilots’ failure to attain a proper landing flare and touchdown point, which resulted in a hard landing short of the runway.

## 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 20230211003059A](https://openairdocs.org/incident/20230211003059A), Feb 11, 2023: Gates Learjet Corp 55 (N600C), Rochester, NY, Substantial damage. On Monday, February 13, the Rochester NY FSDO AFG-100 received notification of an occurrence on Saturday, February 11th at 17:58Z (12:58 EST) at the Rochester…

## Other aircraft with N600C

- [Cancelled 1972-03-08](https://openairdocs.org/deregistered/N600C-1972-03-08): Stinson 108-3, S/N 108-3600. Owner: [Murphy William R](https://openairdocs.org/faa-owner/MURPHY%20WILLIAM%20R), [Augusta, GA](https://openairdocs.org/faa-place/GA/Augusta)

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.