# NTSB OAK77FVD46: Nelson Perl PG-185, N68959, Livermore, CA, July 24, 1977

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 24, 1977
- Place: Livermore, CA · LIVERMORE, CA
- Location: 37.6870° N, 121.7598° W: Placed by OpenAirDocs: center of Livermore, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6870&lon=-121.7598&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report September 7, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146106
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77FVD46
- Page: https://openairdocs.org/ntsb/OAK77FVD46

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1796  77/7/24    LIVERMORE,CA        NELSON PERL PG-185  CR-  0  1  0  NONCOMMERCIAL             COMMERCIAL, AGE 66, 4000
        TIME - 1445                    N68959              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 1800 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HUMMINGBIRDHAVEN
        DEPARTURE POINT             INTENDED DESTINATION
          LIVERMORE,CA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           MISCELLANEOUS ACTS,CONDITIONS - FUEL CONTAMINATION-EXCLUSIVE OF WATER IN FUEL
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- FUEL SHUTOFF VLV OBSTRUCTED.
```

## Aircraft

- Registration: [N68959](https://openairdocs.org/deregistered/N68959-1981-05-08), registration cancelled 1981-05-08, S/N 200 (OpenAirDocs)
- Reported make and model: NELSON PERL PG-185
- Registry model: [Nelson PG-185](https://openairdocs.org/model/nelson-pg-185) (registry code 6200302) (OpenAirDocs)
- Category: Glider, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hummingbirdhaven

## 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 19770724021019A](https://openairdocs.org/incident/19770724021019A), Jul 24, 1977: Amtr 6200311, Livermore, CA, Substantial damage. Fuel shutoff vlv obstructed.

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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