# N2991G: 1958 BKB 1, registration cancelled 1972-09-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 21, 1972
- Status when cancelled: Valid registration
- Airframe: [BKB 1](https://openairdocs.org/model/bkb-1) (registry code 05603CX)
- Serial number: 1
- Year built: 1958
- Type of aircraft: Glider
- Certificate issued: May 12, 1964
- Mode S code: A3196B
- Owner when cancelled: [Kasper Witold](https://openairdocs.org/faa-owner/KASPER%20WITOLD)
- Location: [Bekkevue, WA](https://openairdocs.org/faa-place/WA/Bekkevue)
- Owner type: Individual
- Owner's area on the map: 47.6183° N, 122.2053° W: Placed by OpenAirDocs at the center of ZIP code 98004, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N2991G
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2991G
- Page: https://openairdocs.org/deregistered/N2991G-1972-09-21

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 BKB 1: https://openairdocs.org/model/bkb-1.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 SEA72FYE19](https://openairdocs.org/ntsb/SEA72FYE19), Nov 6, 1971: Kasper BKB (N2991G), Arlington, WA, destroyed, 1 fatal

## Other aircraft with N2991G

- [Cancelled 2012-08-09](https://openairdocs.org/deregistered/N2991G-2012-08-09): Cameron Balloons O-77, S/N 5217, built 1986. Registration pending, canceled. Owner: [Page, AZ](https://openairdocs.org/faa-place/AZ/Page)
- [Cancelled 1983-11-08](https://openairdocs.org/deregistered/N2991G-1983-11-08): Bellanca 8KCAB, S/N 626-80, built 1980. Exported to Argentina. Owner: [Bellanca Aircraft Corp](https://openairdocs.org/faa-owner/BELLANCA%20AIRCRAFT%20CORP), [Osceola, WI](https://openairdocs.org/faa-place/WI/Osceola)

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