# NTSB SEA78DYA12: Grumman G-164A, N8712H, Terreton, ID, June 19, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 19, 1978
- Place: Terreton, ID · TERRETON, ID
- Location: 43.8416° N, 112.4364° W: Placed by OpenAirDocs: center of Terreton, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.8416&lon=-112.4364&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 28, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 141227
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78DYA12
- Page: https://openairdocs.org/ntsb/SEA78DYA12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1353  78/6/19    TERRETON,ID         GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 33, 3500
        TIME - 0630                    N8712H              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          IDAHO FALLS,ID              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SWATH RUN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - SANDY
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  4900                SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
        REMARKS- ALFALFA.
```

## Aircraft

- Registration: [N8712H](https://openairdocs.org/deregistered/N8712H-2018-09-13), registration cancelled 2018-09-13, S/N 1486, built 1975 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (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

## 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 19780619013519A](https://openairdocs.org/incident/19780619013519A), Jun 19, 1978: Gulstm G164A, Terreton, ID, Substantial damage. Alfalfa.

## Other investigations on N8712H (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 WPR17LA100](https://openairdocs.org/ntsb/WPR17LA100), May 7, 2017: Grumman G164 (N8712H), Madera, CA, destroyed. Probable cause: The pilot’s loss of directional control during takeoff with a quartering tailwind, which resulted in a runway excursion and separation of the right landing gear.

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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