# NTSB OAK69D0152: Schweizer SGS233, N5726S, Calistoga, CA, October 6, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 6, 1968
- 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: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 14, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 108372
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK69D0152
- Page: https://openairdocs.org/ntsb/OAK69D0152

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3279   68/10/6   CALISTOGA,CALIF     SCHWEIZER SGS233    CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 47, 42 TOTAL
        TIME - 1400                    N5726S              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, 14 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - CALISTOGA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        REMARKS- PLT CLOSE TO MT RIDGE IN AN EFFORT TO FIND LIFT.FLYING FROM BACK SEAT.
```

## Aircraft

- Registration: [N5726S](https://openairdocs.org/deregistered/N5726S-1975-05-08), registration cancelled 1975-05-08, S/N 70 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS233
- Registry model: [Schweizer SGS 2-33](https://openairdocs.org/model/schweizer-sgs-2-33) (registry code 8051604) (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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