# N49911: Laister-Kauffman LK-10A, registration cancelled 1975-06-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 9, 1975
- Status when cancelled: Valid registration
- Airframe: [Laister-Kauffman LK-10A](https://openairdocs.org/model/laister-kauffman-lk-10a) (registry code 5090204)
- Data sheets: [TCDS G-15](https://openairdocs.org/tcds/G-15) (OpenAirDocs)
- Serial number: 125
- Type of aircraft: Glider
- Certificate issued: May 20, 1975
- Mode S code: A6341C
- Owner when cancelled: [Williamette Valley Soaring Club](https://openairdocs.org/faa-owner/WILLIAMETTE%20VALLEY%20SOARING%20CLUB)
- Location: [Portland, OR](https://openairdocs.org/faa-place/OR/Portland)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N49911
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=49911
- Page: https://openairdocs.org/deregistered/N49911-1975-06-09

From the FAA registry file of November 5, 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 Laister-Kauffman LK-10A: https://openairdocs.org/model/laister-kauffman-lk-10a.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 SEA69F0208](https://openairdocs.org/ntsb/SEA69F0208), Mar 2, 1969: Laister LK-10A (N49911), Dallesport, WA, destroyed

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