# NTSB LAX75DUG05: Schweizer SGS134, N7656, Helendale, CA, August 5, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 5, 1974
- Place: Helendale, CA · HELENDALE, CA
- Location: 34.7439° N, 117.3245° W: Placed by OpenAirDocs: center of Helendale, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.7439&lon=-117.3245&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 25, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 134482
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX75DUG05
- Page: https://openairdocs.org/ntsb/LAX75DUG05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2402   74/8/5    HELENDALE,CALIF     SCHWEIZER SGS134    CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 49, 405
        TIME - 1800                    N7656               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 133 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          EL MIRAGE,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           TERRAIN - SANDY
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- LIFT WAS LOST.LNDD ON OPEN SANDY GRAVEL TERRAIN.LEFT WING HIT GRD.
```

## Aircraft

- Registration: [N7656](https://openairdocs.org/deregistered/N7656-2009-10-29), registration cancelled 2009-10-29, S/N 36, built 1970 (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

## 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 19740805028219A](https://openairdocs.org/incident/19740805028219A), Aug 5, 1974: Scwzer SGS134, Helendale, CA, Substantial damage. Lift was lost. Lndd on open sandy gravel terrain. Left wing hit grd.

## Other investigations on N7656 (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 WPR09LA449](https://openairdocs.org/ntsb/WPR09LA449), Sep 12, 2009: Schweizer SGS 1-34 (N7656), Lake Elsinore, CA, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain control of the glider after the tow line released during the initial climb.

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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