# NTSB SEA81FYP10: Piper PA-25, N7553Z, Oaksdale, WA, March 11, 1981

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: March 11, 1981
- Place: Oaksdale, WA · OAKSDALE, WA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report April 9, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 127440
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA81FYP10
- Page: https://openairdocs.org/ntsb/SEA81FYP10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0297  81/3/11    OAKSDALE,WA         PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1235                    N7553Z              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 41, 1301 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            330 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - OAKSDALE
        DEPARTURE POINT             INTENDED DESTINATION
          OAKSDALE,WA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: EN ROUTE TO TREAT CROP
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  330                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -ROLLING
        REMARKS- TOUCHED DWN ON TOP OF HILL THEN SETTLED INTO TREES IN VALLEY.
```

## Aircraft

- Registration: [N7553Z](https://openairdocs.org/deregistered/N7553Z-2014-11-18), registration cancelled 2014-11-18, S/N 25-3602, built 1965 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Oaksdale

## 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 19810311009109A](https://openairdocs.org/incident/19810311009109A), Mar 11, 1981: Piper PA25235, Oaksdale, WA, Substantial damage. Wheels struck top of hill on climbout, throwing airplane out of control. Struck trees and power-line.

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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