# N997GM: 1978 Bell 206B, registration cancelled 2005-04-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 22, 2005
- Status when cancelled: Triennial form not returned
- Airframe: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511)
- Engine: [Allison 250-C20 series](https://openairdocs.org/engine/allison-250-c20-series) (registry code 03020)
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (OpenAirDocs)
- Serial number: 2366
- Year built: 1978
- Type of aircraft: Rotorcraft
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: January 3, 2000
- Certificate issued: March 22, 2002
- Last registry action: March 15, 2005
- Mode S code: ADED46
- Owner when cancelled: [Copter Lease LLC Trustee](https://openairdocs.org/faa-owner/COPTER%20LEASE%20LLC%20TRUSTEE)
- Location: [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque)
- Owner type: Corporation
- Owner's area on the map: 35.1517° N, 106.5749° W: Placed by OpenAirDocs at the center of ZIP code 87109, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N997GM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=997GM
- Page: https://openairdocs.org/deregistered/N997GM-2005-04-22

From the FAA registry file of November 4, 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 Bell 206B: https://openairdocs.org/model/bell-206b.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 DEN02LA036](https://openairdocs.org/ntsb/DEN02LA036), Apr 4, 2002: Bell 206B-III (N997GM), Leadville, CO, destroyed. Probable cause: the pilot's inadvertent flight into adverse weather, which resulted in a collision with terrain. A contributing factor was the downdraft.

## 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 20020404007759A](https://openairdocs.org/incident/20020404007759A), Apr 4, 2002: Bell 206B (N997GM), Leadville, CO, No damage. (-23) While flying power line patrol at an altitude of 11,000 to about 12,000 feet asl (400 ft. AGL) encountered a down draft which exceeded the performance…

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