# N137C: 1999 Aviat A-1A, registration cancelled 2019-11-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 4, 2019
- Status when cancelled: First renewal notice
- Airframe: [Aviat A-1A](https://openairdocs.org/model/aviat-a-1a) (registry code 2210405)
- Engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514)
- Data sheets: [TCDS A22NM](https://openairdocs.org/tcds/A22NM) (OpenAirDocs)
- Serial number: 1453
- Year built: 1999
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: April 8, 1999
- Certificate issued: April 12, 2010
- Last registry action: December 15, 2016
- Mode S code: A09564
- Owner when cancelled: [Ortman James W](https://openairdocs.org/faa-owner/ORTMAN%20JAMES%20W)
- Location: [Bozeman, MT](https://openairdocs.org/faa-place/MT/Bozeman)
- Owner type: Individual
- Owner's area on the map: 45.6395° N, 111.1712° W: Placed by OpenAirDocs at the center of ZIP code 59718, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N137C
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=137C
- Page: https://openairdocs.org/deregistered/N137C-2019-11-04

From the FAA registry file of November 7, 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 Aviat A-1A: https://openairdocs.org/model/aviat-a-1a.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 GAA19CA432](https://openairdocs.org/ntsb/GAA19CA432), Jul 17, 2019: Aviat A1 (N137C), Ennis, MT, destroyed. Probable cause: The pilot's exceedance of the airplane's critical angle of attack while turning at low altitude, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's distraction due…

## 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 20190717011989A](https://openairdocs.org/incident/20190717011989A), Jul 17, 2019: Aviat Aircraft Inc A-1A (N137C), Ennis, MT, Substantial damage. On July 17, 2019, at 0952 local time, an Aviat Aircraft Inc., husky A-1A, N137C, registered to [privacy data omitted] northern wings aviation LLC, was flying a…

---
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.
