# NTSB OAK72DVG75: Schweizer SGS233, N5754S, Calistoga, CA, June 17, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 17, 1972
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 24, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167402
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK72DVG75
- Page: https://openairdocs.org/ntsb/OAK72DVG75

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2336  72/6/17    CALISTOGA,CALIF     SCHWEIZER SGS233    CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 44, 133
        TIME - 1410                    N5754S              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 43 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CALISTOGA
        DEPARTURE POINT             INTENDED DESTINATION
          CALISTOGA,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- UN CLIMB DRG TOW TKOF,RELEASED ABT 200FT AGL,ATMTD RET TO FLD.NO TIME IN MAKE/MODEL PREV 90DAYS.
```

## Aircraft

- Registration: [N5754S](https://openairdocs.org/deregistered/N5754S-1973-06-25), registration cancelled 1973-06-25, S/N 89 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS233
- Registry model: [Schweizer SGS 2-33A](https://openairdocs.org/model/schweizer-sgs-2-33a) (registry code 8051606) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Calistoga

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.

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