# NTSB FTW70FPJ20: Boeing E75N1, N5816N, Chickasha, OK, May 29, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 29, 1970
- Place: Chickasha, OK · CHICKASHA, OK
- Location: 35.0405° N, 97.9472° W: Placed by OpenAirDocs: center of Chickasha, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0405&lon=-97.9472&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 12, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 132041
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW70FPJ20
- Page: https://openairdocs.org/ntsb/FTW70FPJ20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2351  70/5/29    CHICKASHA,OKLA      BOEING E75N1        CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0730                    N5816N              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 27, 1305 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            800 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - CHICKASHA
        DEPARTURE POINT             INTENDED DESTINATION
          CHICKASHA,OKLA              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SOFT RUNWAY
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  800                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- LND ON STRIP COVERED WITH WATER,SOFT MUD,45 DEG TO PAVED RWY. SPRAYED ALFALFA.
```

## Aircraft

- Registration: [N5816N](https://openairdocs.org/deregistered/N5816N-2013-02-21), registration cancelled 2013-02-21, S/N 75-8253, built 1943 (OpenAirDocs)
- Reported make and model: BOEING E75N1
- Registry model: [Boeing E75](https://openairdocs.org/model/boeing-e75) (registry code 1380120) (OpenAirDocs)
- Registry engine: [Lycoming R680E series](https://openairdocs.org/engine/lycoming-r680e-series) (registry code 41545, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Chickasha

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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