# NTSB OAK76AP012: Sohemp SH1, N12054, Calistoga, CA, October 4, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 4, 1975
- Place: Calistoga, CA · CALISTOGA, CA
- Location: 38.5814° N, 122.5827° W: Placed by OpenAirDocs: center of Calistoga, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.5814&lon=-122.5827&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report December 19, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 151030
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76AP012
- Page: https://openairdocs.org/ntsb/OAK76AP012

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3353   75/10/4 NR.CALISTOGA,CA       SOHEMP SH1          CR-  1  0  0  INSTRUCTIONAL             COMMERCIAL, AGE 25, 1388
        TIME - 1310                    N12054              PX-  0  0  0  DUAL                      TOTAL HOURS, 12 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         CALISTOGA,CA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        REMARKS- RIDGE SOARING. 1 HR IN TYPE ACFT LAST 90 DAYS.
```

## Aircraft

- Registration: [N12054](https://openairdocs.org/deregistered/N12054-1976-01-15), registration cancelled 1976-01-15, S/N 77 (OpenAirDocs)
- Reported make and model: SOHEMP SH1
- Registry model: [Schempp-Hirth STANDARD AUSTRIA SH1](https://openairdocs.org/model/schempp-hirth-standard-austria-sh1) (registry code 3801945) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Destroyed

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19751004037949A](https://openairdocs.org/incident/19751004037949A), Oct 4, 1975: Sphrth SH1STDAUST, Calistoga, CA, Destroyed. Ridge soaring. 1 hr in type acft last 90 days.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.