# NTSB FTW72DPJ26: Boeing A75N1, N50755, Hollis, OK, December 15, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 15, 1971
- Place: Hollis, OK · HOLLIS, OK
- Location: 34.6897° N, 99.9153° W: Placed by OpenAirDocs: center of Hollis, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.6897&lon=-99.9153&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 18, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164507
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW72DPJ26
- Page: https://openairdocs.org/ntsb/FTW72DPJ26

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3387  71/12/15 NR.HOLLIS,OKLA        BOEING A75N1        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 46, 18632
        TIME - 1115                    N50755              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 15000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         HOLLIS,OKLA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPERLY SERVICED AIRCRAFT (GROUND CREW)
           MISCELLANEOUS ACTS,CONDITIONS - WATER IN FUEL
           TERRAIN - WET,SOFT GROUND
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9999                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GOGGLES - USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - UNKNOWN/NOT REPORTED
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  1600
          SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- WATER FOUND IN UNDERGROUND STORAGE TANK.
```

## Aircraft

- Registration: [N50755](https://openairdocs.org/deregistered/N50755-2013-12-02), registration cancelled 2013-12-02, S/N 75-4020, built 1942 (OpenAirDocs)
- Reported make and model: BOEING A75N1
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018, reciprocating) (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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