# N4085M: 1991 Robinson Helicopter R22 BETA, registration cancelled 2013-09-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 26, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Robinson Helicopter R22 BETA](https://openairdocs.org/model/robinson-helicopter-r22-beta) (registry code 7640110)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS H10WE](https://openairdocs.org/tcds/H10WE), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 1864
- Year built: 1991
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: July 12, 1991
- Certificate issued: October 7, 1991
- Last registry action: January 4, 1995
- Mode S code: A4CD6C
- Owner when cancelled: [Briles Wing And Helicopter Inc](https://openairdocs.org/faa-owner/BRILES%20WING%20AND%20HELICOPTER%20INC)
- Location: [Van Nuys, CA](https://openairdocs.org/faa-place/CA/Van%20Nuys)
- Owner type: Corporation
- Owner's area on the map: 34.1975° N, 118.4890° W: Placed by OpenAirDocs at the center of ZIP code 91406, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4085M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4085M
- Page: https://openairdocs.org/deregistered/N4085M-2013-09-26

From the FAA registry file of October 31, 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 Robinson Helicopter R22 BETA: https://openairdocs.org/model/robinson-helicopter-r22-beta.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 SEA93LA064](https://openairdocs.org/ntsb/SEA93LA064), Feb 7, 1993: Robinson R22 Beta (N4085M), Bend, OR, substantial damage. Probable cause: ROTOR RPM WAS NOT MAINTAINED. FACTORS TO THE ACCIDENT WERE: LOW CEILING AND POOR INFLIGHT PLANNING.

## 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 19930207001829A](https://openairdocs.org/incident/19930207001829A), Feb 7, 1993: Robsin R22BETA (N4085M), Bend, OR, Substantial damage. Encountered low ceiling and visibility. Tried turn around. Too slow and low lost rotor RPM. Impacted road. Rolled.

## Other aircraft with N4085M

- [Cancelled 1947-12-09](https://openairdocs.org/deregistered/N4085M-1947-12-09): Piper PA-12, S/N 12-2968. Owner: [Carpenter Wayne K](https://openairdocs.org/faa-owner/CARPENTER%20WAYNE%20K), [Waukegan, IL](https://openairdocs.org/faa-place/IL/Waukegan)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4085M-undated): Lockheed 382G-45C, S/N 4834. Triennial form not returned

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