# N6BM: 1972 Berkshire Mfg. CONCEPT 70, registration cancelled 2014-10-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 29, 2014
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Berkshire Mfg. CONCEPT 70](https://openairdocs.org/model/berkshire-mfg-concept-70) (registry code 1240104)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 6
- Year built: 1972
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Experimental, racing, exhibition
- Airworthiness date: April 29, 1980
- Certificate issued: December 4, 2001
- Last registry action: December 18, 2007
- Mode S code: A7C2B2
- Owner when cancelled: [National Soaring Museum](https://openairdocs.org/faa-owner/NATIONAL%20SOARING%20MUSEUM)
- Location: [Elmira, NY](https://openairdocs.org/faa-place/NY/Elmira)
- Owner type: Corporation
- Owner's area on the map: 42.1173° N, 76.8785° W: Placed by OpenAirDocs at the center of ZIP code 14903, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6BM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6BM
- Page: https://openairdocs.org/deregistered/N6BM-2014-10-29

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 Berkshire Mfg. CONCEPT 70: https://openairdocs.org/model/berkshire-mfg-concept-70.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 NYC83LA197](https://openairdocs.org/ntsb/NYC83LA197), Jul 28, 1983: Berkshire Concept 70 (N6BM), Fairfield, PA, substantial damage

## 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 19830728036629A](https://openairdocs.org/incident/19830728036629A), Jul 28, 1983: Amtrbs CONCEPT70 (N6BM), Fairfield, PA, Substantial damage. Glider encountered turbulence over trees on final approach for landing. Pilot turned off runway to avoid overshoot.

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