# NTSB OAK77FVD10: Schweizer 2-33, N1239S, Fremont, CA, January 21, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: January 21, 1977
- Place: Fremont, CA · FREMONT, CA
- Location: 37.5483° N, 121.9886° W: Placed by OpenAirDocs: center of Fremont, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.5483&lon=-121.9886&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report February 4, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 152547
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77FVD10
- Page: https://openairdocs.org/ntsb/OAK77FVD10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0014  77/1/21    FREMONT,CA          SCHWEIZER 2-33      CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 66, 15 TOTAL
        TIME - 1351                    N1239S              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SKY SAILING
        DEPARTURE POINT             INTENDED DESTINATION
          FREMONT,CA                  FREMONT,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        REMARKS- MONO WHEEL LNDG GEAR.GLIDER STRUCK CONCRETE CENTER DIVIDER OF FREEWAY.
```

## Aircraft

- Registration: [N1239S](https://openairdocs.org/aircraft/N1239S), registered now, S/N 221, built 1971 (OpenAirDocs)
- Reported make and model: SCHWEIZER 2-33
- Registry model: [Schweizer SGS 2-33A](https://openairdocs.org/model/schweizer-sgs-2-33a) (registry code 8051606) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Sky Sailing

## 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 19770121000389A](https://openairdocs.org/incident/19770121000389A), Jan 21, 1977: Scwzer SGS233A, Fremont, CA, Substantial damage. Mono wheel lndg gear. Glider struck concrete center divider of freeway.

## Other investigations on N1239S (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 LAX84LA052](https://openairdocs.org/ntsb/LAX84LA052), Nov 11, 1983: Schweizer SGS 2-33A (N1239S), Fremont, CA, substantial damage

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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