# NTSB SEA75DYG29: Boeing E75, N56426, Dayton, WA, April 12, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 12, 1975
- Place: Dayton, WA · DAYTON, WA
- Location: 46.3168° N, 117.9768° W: Placed by OpenAirDocs: center of Dayton, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.3168&lon=-117.9768&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 11, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 201473
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA75DYG29
- Page: https://openairdocs.org/ntsb/SEA75DYG29-201473

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1514  75/4/12  NR.DAYTON,WA          BOEING E75          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 50, 13743
        TIME - 1000                    N56426              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 9421 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         DAYTON,WA                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           TERRAIN - OTHER
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1300                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -HILLY
          ELEVATION-AREA BEING TREATED-FEET -  880                 SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- FLEW INTO UPSLOPE TERRAIN.
```

## Aircraft

- Registration: [N56426](https://openairdocs.org/aircraft/N56426), registered now, S/N 75-2322, built 1941 (OpenAirDocs)
- Reported make and model: BOEING E75
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Continental W670-6N](https://openairdocs.org/engine/continental-w670-6n) (registry code 17318, 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 19750412012199A](https://openairdocs.org/incident/19750412012199A), Apr 12, 1975: Boeing A75N1, Dayton, WA, Substantial damage. Flew into upslope terrain.

## Other investigations on N56426 (2)

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 SEA93LA086](https://openairdocs.org/ntsb/SEA93LA086), Apr 1, 1993: Boeing D75N1 (N56426), Davenport, WA, substantial damage. Probable cause: UNSUITABLE TERRAIN WAS SELECTED FOR LANDING. A FACTOR TO THE ACCIDENT WAS: SOFT TERRAIN.
- [NTSB SEA83LA110](https://openairdocs.org/ntsb/SEA83LA110), May 27, 1983: Boeing Stearman A75N1 (N56426), Turner, WA, 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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