# Accident 20170622010859A: Schempp-Hirth DISCUS-2B, Bishop, CA, June 22, 2017

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 22, 2017, 14:00 local time
- Place: Bishop, CA
- Airport: Eastern Sierra Regional
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 37.4364° N, 118.2611° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=37.4364&lon=-118.2611&mi=10
- Aircraft: N21TH, a cancelled registration (https://openairdocs.org/deregistered/N21TH-2020-09-04) (OpenAirDocs)
- Registry model: Schempp-Hirth DISCUS-2B (registry code 3801904, https://openairdocs.org/model/schempp-hirth-discus-2b) (OpenAirDocs)
- Registry engine: NONE (registry code 00000, https://openairdocs.org/engine/none) (OpenAirDocs)
- Reported make and model: SCHEMPP-HIRTH DISCUS-2B
- Reported engine: NONE NONE
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Private pilot
- Pilot flight hours: 394 total, 1 in this make and model, 22 in the last 90 days
- NTSB investigation: [NTSB GAA17CA368](https://openairdocs.org/ntsb/GAA17CA368) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20170622010859A

## Narrative

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

PILOT INEXPERIENCE WITH THIS GLIDER AND MISJUDGEMENT OF AVAILABLE THERMAL OR RIDGE LIFT AVAILABLE RESULTING IN CONTACT WITH TREES AND THEN TERRAIN. THIS ACCIDENT WAS CONTROLLED FLIGHT INTO TERRAIN.

## 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 GAA17CA368](https://openairdocs.org/ntsb/GAA17CA368), Jun 22, 2017: Schempp-Hirth Discus 2B (N21TH), Bishop, CA, substantial damage. Probable cause: The pilot’s exceedance of the glider’s critical angle of attack while maneuvering over rising mountainous terrain, which resulted in an aerodynamic stall.

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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