# N9646Z: 1963 Leffler/Macfarlane LM-1, registration cancelled 2014-11-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 24, 2014
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Leffler/Macfarlane LM-1](https://openairdocs.org/model/leffler-macfarlane-lm-1) (registry code 05603UT)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 1
- Year built: 1963
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 2, 1981
- Certificate issued: February 25, 1981
- Last registry action: May 12, 1984
- Mode S code: AD6E44
- Owner when cancelled: [Meyer William C](https://openairdocs.org/faa-owner/MEYER%20WILLIAM%20C)
- Location: [Ventura, CA](https://openairdocs.org/faa-place/CA/Ventura)
- Owner type: Individual
- Owner's area on the map: 34.2830° N, 119.2243° W: Placed by OpenAirDocs at the center of ZIP code 93003, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9646Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9646Z
- Page: https://openairdocs.org/deregistered/N9646Z-2014-11-24

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 Leffler/Macfarlane LM-1: https://openairdocs.org/model/leffler-macfarlane-lm-1.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 LAX90DXQ02](https://openairdocs.org/ntsb/LAX90DXQ02), Jul 30, 1990: Leffler/Mcfarlane LM-1 (N9646Z), Sierraville, CA, destroyed. Probable cause: PILOT'S FAILURE TO SEE AND AVOID A TREE DURING HIS LANDING APPROACH.
- [NTSB LAX69D0264](https://openairdocs.org/ntsb/LAX69D0264), Mar 2, 1969: Leffler LM-1 (N9646Z), La Jolla, CA, 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 19900730029199A](https://openairdocs.org/incident/19900730029199A), Jul 30, 1990: Fuji LM1 (N9646Z), Sierraville, CA, Destroyed. Unable to find lift on crosscountry flight. Elected land. Changed sites at low altitude. Hit tree and cattle chute

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