# NTSB UNK64X2948: Grumman TBM-3, N7016C, Gibbonsville, ID, July 20, 1964

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 20, 1964
- Place: Gibbonsville, ID · GIBBONSVILLE, ID
- Location: 45.5555° N, 113.9231° W: Placed by OpenAirDocs: center of Gibbonsville, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5555&lon=-113.9231&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report November 16, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184752
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2948
- Page: https://openairdocs.org/ntsb/UNK64X2948

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0527  64/7/20    GIBBONSVILLE ID     GRUMMAN TBM-3       CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 43, 8000
        TIME - 0820                    N7016C              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 2500 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              OBSTRUCTIONS TO VISION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        TEMPERATURE-F                                            WIND VELOCITY-KNOTS
           55                                                       1
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2500                       KIND OF OPERATION - SPRAYING FORESTS
          KIND OF CROP - FOREST-TREES                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FAILED ON IMPACT                     GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - NOT AVAILABLE
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - SECOND 1/3 TURN
        REMARKS- LIMITED TURNAROUND MANEUVERING AREA
```

## Aircraft

- Registration: [N7016C](https://openairdocs.org/deregistered/N7016C-1964-09-19), registration cancelled 1964-09-19, S/N 85862 (OpenAirDocs)
- Reported make and model: GRUMMAN TBM-3
- Registry model: [Grumman TBM-3E](https://openairdocs.org/model/grumman-tbm-3e) (registry code 3950310) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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