# Accident 20180609015419A: Let L-23 SUPER BLANIK, Moose, WY, June 9, 2018

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 9, 2018, 10:30 local time
- Place: Moose, WY
- Damage: Destroyed
- Phase of flight: Maneuver
- Operating rules: General operating rules (Part 91)
- Location: 43.7247° N, 110.8192° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.7247&lon=-110.8192&mi=10
- Aircraft: N317BA, a cancelled registration (https://openairdocs.org/deregistered/N317BA-2021-02-26) (OpenAirDocs)
- Registry model: Let L-23 SUPER BLANIK (registry code 1360308, https://openairdocs.org/model/let-l-23-super-blanik) (OpenAirDocs)
- Registry engine: NONE (registry code 00000, https://openairdocs.org/engine/none) (OpenAirDocs)
- Reported make and model: LET L-23 SUPER BLANIK
- Reported engine: NONE NONE
- People aboard: 2
- Fatal injuries: 2
- Other injuries: 0
- Pilot certificates: Commercial pilot, flight instructor
- NTSB investigation: [NTSB CEN18FA217](https://openairdocs.org/ntsb/CEN18FA217) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20180609015419A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

AT APPROXIMATELY 09:15 LOCAL THE AIRMAN ARRIVED AT THE AIRPORT AND PREPARED FOR A SCENIC FLIGHT. AT APPROXIMATELY 09:50 LOCAL THE GLIDER WAS LAUNCHED VIA TOW-PLANE. AT APPROXIMATELY 10:35 LOCAL THE GLIDER RELEASED FROM THE TOW-PLANE APPROXIMATELY 9 MILES EAST OF DRIGGS AIRPORT AT AN ALTITUDE OF 13,800 FT. MSL. AT APPROXIMATELY 1400 LOCAL THE WRECKAGE WAS FOUND ABOUT 14 MILES EAST OF DRIGGS AIRPORT AT APPROXIMATELY 11,000 FT. MSL.

IT WAS NOTED THAT THE WIND PATTERN WAS OUT OF THE SOUTH AS OPPOSED TO THE MORE REGULAR WIND PATTERN OUT OF THE WEST SOUTHWEST. THIS WOULD HAVE CREATED DIFFERENT AREAS OF LIFT AND SINK THAN WOULD NORMALLY BE EXPERIENCED IN THAT AREA.

## The NTSB's investigation of this event (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 CEN18FA217](https://openairdocs.org/ntsb/CEN18FA217), Jun 9, 2018: Let L 23 Super Blanik (N317BA), Moose, WY, destroyed, 2 fatal. Probable cause: The pilot's encounter with atmospheric conditions that resulted in a loss of lift and a subsequent loss of control near terrain that precluded recovery. Contributing to the accident was the pilot's…

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. For accidents, the NTSB's own investigation is the fuller record.

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