# NTSB LAX76FUG12: Schweizer SGS134, N17973, Adelanto, CA, August 8, 1975

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 8, 1975
- Place: Adelanto, CA · ADELANTO, CA
- Location: 34.5828° N, 117.4092° W: Placed by OpenAirDocs: center of Adelanto, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.5828&lon=-117.4092&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report September 23, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150185
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX76FUG12
- Page: https://openairdocs.org/ntsb/LAX76FUG12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2301   75/8/8    ADELANTO,CA         SCHWEIZER SGS134    CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 18, 106
        TIME - 1330                    N17973              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 20 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - EL MIRAGE FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          ADELANTO,CA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           SYSTEMS - FLIGHT CONTROL SYSTEMS: AILERON AND AILERON TAB CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CHECKLIST-FAILED TO USE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- SINGLE WHEEL. AIL QUICK DISCONNECTS NOT SECURED DRG ASSEMBLY
```

## Aircraft

- Registration: [N17973](https://openairdocs.org/aircraft/N17973), registered now, S/N 73, built 1972 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS134
- Registry model: [Schweizer SGS 1-34](https://openairdocs.org/model/schweizer-sgs-1-34) (registry code 8050146) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: El Mirage Field

## 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 19750808025939A](https://openairdocs.org/incident/19750808025939A), Aug 8, 1975: Scwzer SGS134, Adelanto, CA, Substantial damage. Single wheel. Ail quick disconnects not secured drg assembly

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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