# N8447: 1974 Lach BENSEN B-8M, registration cancelled 2013-05-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 14, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Lach BENSEN B-8M](https://openairdocs.org/model/lach-bensen-b-8m) (registry code 1302110)
- Engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003)
- Data sheets: [TCDS E-205](https://openairdocs.org/tcds/E-205) (OpenAirDocs)
- Serial number: 1122
- Year built: 1974
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 29, 1980
- Certificate issued: April 2, 1974
- Last registry action: December 9, 1989
- Mode S code: AB9202
- Owner when cancelled: [Lach Walter](https://openairdocs.org/faa-owner/LACH%20WALTER)
- Location: [Fall River, MA](https://openairdocs.org/faa-place/MA/Fall%20River)
- Owner type: Individual
- Owner's area on the map: 41.6744° N, 71.1485° W: Placed by OpenAirDocs at the center of ZIP code 02721, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N8447
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8447
- Page: https://openairdocs.org/deregistered/N8447-2013-05-14

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 Lach BENSEN B-8M: https://openairdocs.org/model/lach-bensen-b-8m.md

## NTSB investigations (2)

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 BFO93LA149](https://openairdocs.org/ntsb/BFO93LA149), Sep 2, 1993: Lach Bensen B-8M (N8447), Fall River, MA, substantial damage. Probable cause: FATIGUE FAILURE OF THE GYROCOPTER'S MAIN ROTOR CONTROL ARM. fACTORS RELATED TO THE ACCIDENT WERE: A LOOSE CLAMP ON THE ROTOR CONTROL ARM, DUE TO INADEQUATE MAINTENANCE OR INSPECTION, WHICH RESULTED…
- [NTSB CHI79FEE72](https://openairdocs.org/ntsb/CHI79FEE72-134979), Jul 20, 1979: Lach/Bensen B8M (N8447), Rockford, IL, substantial damage

## FAA accident and incident reports (2)

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 19930902032819A](https://openairdocs.org/incident/19930902032819A), Sep 2, 1993: Amtr B8M (N8447), Fall River, MA, Substantial damage. During landing flare gyrocopter went out of control. Rolled over. Rotor control arm had failed from fatigue.
- [Accident 19790720015979A](https://openairdocs.org/incident/19790720015979A), Jul 20, 1979: Amtrbx BENSENB8M (N8447), Rockford, IL, Substantial damage. Took off and climbed out in simi stall. Descended into a corn field at the end of the runway.

## Other aircraft with N8447

- [Registered now](https://openairdocs.org/aircraft/N8447): DJI AGRAS T50, S/N 1581F6BUB252B0010252
- [Cancelled 1932-08-24](https://openairdocs.org/deregistered/N8447-1932-08-24): Buhl CA-3D, S/N 53. Owner: [Standard Aero Service](https://openairdocs.org/faa-owner/STANDARD%20AERO%20SERVICE), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)

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