# NTSB DEN80FTA13: Grumman G-164A, N667U, Sand Springs, MT, June 14, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 14, 1980
- Place: Sand Springs, MT · SAND SPRINGS, MT
- Location: 47.1008° N, 107.4856° W: Placed by OpenAirDocs: center of Sand Springs, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.1008&lon=-107.4856&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report September 30, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130424
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN80FTA13
- Page: https://openairdocs.org/ntsb/DEN80FTA13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1917  80/6/14  NR.SAND SPRINGS,MT    GRUMMAN G-164A      CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 24, 1220
        TIME - 1030                    N667U               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 197 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         SAND SPRINGS,MT              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: LOW PASS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  197                       KIND OF OPERATION - FERRY
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  3300                              HILLY
         FIRE AFTER IMPACT
```

## Aircraft

- Registration: [N667U](https://openairdocs.org/deregistered/N667U-1981-12-24), registration cancelled 1981-12-24, S/N 407 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19800614019189A](https://openairdocs.org/incident/19800614019189A), Jun 14, 1980: Gulstm G164A, Sand Springs, MT, Destroyed. Ag pilot buzzed parents home. Pulled up to steep left turn, stalled, hit ground no indication of power on impact.

## Other investigations on N667U (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 OAK68D0095](https://openairdocs.org/ntsb/OAK68D0095), Aug 20, 1967: Grumman G-164A (N667U), Woodlake, CA, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.