# NTSB DEN81FTE27: Grumman G-164B, N6879K, Yellow Jacket, CO, April 1, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 1, 1981
- Place: Yellow Jacket, CO · YELLOW JACKET, CO
- Location: 37.5344° N, 108.7173° W: Placed by OpenAirDocs: center of Yellow Jacket, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.5344&lon=-108.7173&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 26, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 126471
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN81FTE27
- Page: https://openairdocs.org/ntsb/DEN81FTE27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0791   81/4/1  NR.YELLOW JACKET,CO   GRUMMAN G-164B      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 60, 12000
        TIME - 0930                    N6879K              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 3000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         YELLOW JACKET,CO             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           NOSE OVER/DOWN                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           TERRAIN - LOOSE GRAVEL
           TERRAIN - WET,SOFT GROUND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT 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 -  6000                SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
        REMARKS- L MAIN WHL ENCTRD SOFT DIRT/GRAVEL ON L SIDE OF ROAD,VEERED INTO DITCH BESIDE ROAD.
```

## Aircraft

- Registration: [N6879K](https://openairdocs.org/aircraft/N6879K), registered now, S/N 508 B, built 1978 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164B
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164B](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (registry code 3952802) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, 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 19810401013239A](https://openairdocs.org/incident/19810401013239A), Apr 1, 1981: Grumav G164B, Yellow Jacket, CO, Substantial damage. Ran off side of road on takeoff, through a ditch and flipped over in a plowed field.

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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