# N117BB: 1991 Let L-23 SUPER BLANIK, registration cancelled 2004-05-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 5, 2004
- Status when cancelled: Triennial form not returned
- Airframe: [Let L-23 SUPER BLANIK](https://openairdocs.org/model/let-l-23-super-blanik) (registry code 1360308)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS G60EU](https://openairdocs.org/tcds/G60EU) (OpenAirDocs)
- Serial number: 917815
- Year built: 1991
- Type of aircraft: Glider
- Airworthiness: Experimental, exhibition, racing
- Airworthiness date: August 1, 1991
- Certificate issued: July 17, 1991
- Last registry action: December 16, 2003
- Mode S code: A0464F
- Owner when cancelled: [M.I.T. Soaring Association Inc](https://openairdocs.org/faa-owner/M.I.T.%20SOARING%20ASSOCIATION%20INC)
- Location: [Sterling, MA](https://openairdocs.org/faa-place/MA/Sterling)
- Owner type: Corporation
- Owner's area on the map: 42.4479° N, 71.7760° W: Placed by OpenAirDocs at the center of ZIP code 01564, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N117BB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=117BB
- Page: https://openairdocs.org/deregistered/N117BB-2004-05-05

From the FAA registry file of October 29, 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 Let L-23 SUPER BLANIK: https://openairdocs.org/model/let-l-23-super-blanik.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 NYC02LA046](https://openairdocs.org/ntsb/NYC02LA046), Jan 1, 2002: Let L-23 (N117BB), Sterling, MA, substantial damage. Probable cause: The student pilots inadequate compensation for wind conditions which resulted in an off-field landing, and the CFI's improper decision to allow the student to fly solo. Factors related to the…

## 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 20020101000299A](https://openairdocs.org/incident/20020101000299A), Jan 1, 2002: Let L23SUPERBLAN (N117BB), Sterling, MA, No damage. (-23) The student pilot was unable to glide to the airport on the turns from downwind, to base, and to final in windy and turbulent conditions. The glider…

## Other aircraft with N117BB

- [Registered now](https://openairdocs.org/aircraft/N117BB): Dehavilland DHC-2, S/N 1511, built 1962

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