# NTSB SEA70D0048: Grumman G-164A, N654U, Twin Falls, ID, August 9, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 9, 1969
- Place: Twin Falls, ID · TWIN FALLS, ID
- Location: 42.5641° N, 114.4609° W: Placed by OpenAirDocs: center of Twin Falls, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5641&lon=-114.4609&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 1, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 162162
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA70D0048
- Page: https://openairdocs.org/ntsb/SEA70D0048

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3468   69/8/9    TWIN FALLS,ID       GRUMMAN G-164A      CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 45, 4000
        TIME - 1330                    N654U               PX-  0  0  0  FERRY                     TOTAL HOURS, 1000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PAUL,ID                     BUHL,ID
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           TERRAIN - OTHER
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ACFT BEING FERRIED TO CORRECT OIL LEAK IN ACCESSORY SECTION.LNDD ON A ROCKY FIELD.
```

## Aircraft

- Registration: [N654U](https://openairdocs.org/deregistered/N654U-2013-05-01), registration cancelled 2013-05-01, S/N 390, built 1966 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N654U (2)

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 ERA10CA240](https://openairdocs.org/ntsb/ERA10CA240), Apr 22, 2010: Grumman G164 (N654U), Hampton, GA, substantial damage. Probable cause: A total loss of engine power during a go-around due to fuel exhaustion as a result of the pilot's inadequate preflight planning.
- [NTSB SEA68D0086](https://openairdocs.org/ntsb/SEA68D0086), Aug 25, 1967: Grumman G-164 (N654U), Jerome, ID, 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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