# N40BC: 1973 Gates Lear Jet 25B, registration cancelled 1979-11-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 16, 1979
- Status when cancelled: Valid registration
- Airframe: [Gates Lear Jet 25B](https://openairdocs.org/model/gates-lear-jet-25b) (registry code 5170511)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs)
- Serial number: 128
- Year built: 1973
- Type of aircraft: Fixed wing multi engine
- Certificate issued: March 16, 1976
- Mode S code: A4AA64
- Owner when cancelled: [Chapman William](https://openairdocs.org/faa-owner/CHAPMAN%20WILLIAM)
- Location: [Omaha, NE](https://openairdocs.org/faa-place/NE/Omaha)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N40BC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=40BC
- Page: https://openairdocs.org/deregistered/N40BC-1979-11-16

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 25B: https://openairdocs.org/model/gates-lear-jet-25b.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 DEN79FA048](https://openairdocs.org/ntsb/DEN79FA048), Jul 6, 1979: Lear Jet 25B (N40BC), Pueblo, CO, destroyed, 2 fatal

## 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 19790706041169A](https://openairdocs.org/incident/19790706041169A), Jul 6, 1979: Lear 25B (N40BC), Pueblo, CO, Destroyed. Ballooned on landing. Began power correction, nose high. Rolled over prior to impact. Pilot's heel caught in pedal.

## Other aircraft with N40BC

- [Registered now](https://openairdocs.org/aircraft/N40BC): N40bc BACKCOUNTRY SUPERCUB, S/N BC20617R019, built 2021

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