# NTSB LAX77DUJ77: Grumman G-164A, N944X, Elfrida, AZ, July 26, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 26, 1977
- Place: Elfrida, AZ · ELFRIDA, AZ
- Location: 31.6792° N, 109.6869° W: Placed by OpenAirDocs: center of Elfrida, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.6792&lon=-109.6869&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 14, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146701
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX77DUJ77
- Page: https://openairdocs.org/ntsb/LAX77DUJ77

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1828  77/7/26  NR.ELFRIDA,AZ         GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 45, 5774
        TIME - 1900                    N944X               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 100 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         ELFRIDA,AZ                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: STARTING SWATH RUN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: BLOWER,IMPELLER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  300                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - 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 -  4200                SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- IMPELLER SHAFT SEAL FAILED.
```

## Aircraft

- Registration: [N944X](https://openairdocs.org/deregistered/N944X-1991-03-27), registration cancelled 1991-03-27, S/N 458 (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)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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