# N3644: 1970 Schleicher ASW-15, registration cancelled 1971-08-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 24, 1971
- Status when cancelled: Valid registration
- Airframe: [Schleicher ASW-15](https://openairdocs.org/model/schleicher-asw-15) (registry code 38015HZ)
- Data sheets: [TCDS G22EU](https://openairdocs.org/tcds/G22EU) (OpenAirDocs)
- Serial number: 15079
- Year built: 1970
- Type of aircraft: Glider
- Certificate issued: February 25, 1971
- Mode S code: A41E0C
- Owner when cancelled: [Abels Cale L](https://openairdocs.org/faa-owner/ABELS%20CALE%20L)
- Location: [Boulder, CO](https://openairdocs.org/faa-place/CO/Boulder)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N3644
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3644
- Page: https://openairdocs.org/deregistered/N3644-1971-08-24

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 Schleicher ASW-15: https://openairdocs.org/model/schleicher-asw-15.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 DEN71AD044](https://openairdocs.org/ntsb/DEN71AD044), Jun 5, 1971: Schleicher AS-W15 (N3644), Boulder, CO, destroyed, 1 fatal

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