# NTSB OAK77DVG25: Schweizer SGS126, N7709S, Vacaville, CA, April 16, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 16, 1977
- Place: Vacaville, CA · VACAVILLE, CA
- Location: 38.3586° N, 121.9686° W: Placed by OpenAirDocs: center of Vacaville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.3586&lon=-121.9686&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 16, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157344
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77DVG25
- Page: https://openairdocs.org/ntsb/OAK77DVG25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0580  77/4/16    VACAVILLE,CA        SCHWEIZER SGS126    CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 22, 45 TOTAL
        TIME - 0950                    N7709S              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, 2 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - VACAVILLE GLDRPRT
        DEPARTURE POINT             INTENDED DESTINATION
          VACAVILLE,CA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: WIRES/POLES                               LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
```

## Aircraft

- Registration: [N7709S](https://openairdocs.org/deregistered/N7709S-2021-07-31), registration cancelled 2021-07-31, S/N 410, built 1968 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS126
- Registry model: [Schweizer SGS 1-26D](https://openairdocs.org/model/schweizer-sgs-1-26d) (registry code 8050122) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Vacaville Gldrprt

## 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 19770416007989A](https://openairdocs.org/incident/19770416007989A), Apr 16, 1977: Scwzer SGS126D, Vacaville, 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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