# NTSB SEA80DYM24: Grumman G-164A, N4236, Grass Valley, OR, March 20, 1980

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: March 20, 1980
- Place: Grass Valley, OR · GRASS VALLEY, OR
- Location: 45.3591° N, 120.7842° W: Placed by OpenAirDocs: center of Grass Valley, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.3591&lon=-120.7842&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 30, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 131545
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA80DYM24
- Page: https://openairdocs.org/ntsb/SEA80DYM24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1948  80/3/20    GRASS VALLEY,OR     GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0800                    N4236               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 29, 4515 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1600 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - EARL RANCH
        DEPARTURE POINT             INTENDED DESTINATION
          GRASS VALLEY,OR             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
         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 -UNKNOWN/NOT REPORTED                 CRASH HELMET - AVAILABLE USED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
```

## Aircraft

- Registration: [N4236](https://openairdocs.org/deregistered/N4236-1989-11-17), registration cancelled 1989-11-17, S/N 1005 (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: Substantial damage
- Airport: Earl Ranch

## 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 19800320006439A](https://openairdocs.org/incident/19800320006439A), Mar 20, 1980: Gulstm G164A, Grass Valley, OR, Substantial damage. Pilot made hard landing causing bounce and aircraft to flip inverted.

## Other investigations on N4236 (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 SEA76DYC39](https://openairdocs.org/ntsb/SEA76DYC39), Apr 6, 1976: Grumman G-164 (N4236), Condon, OR, 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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