# NTSB SEA81FYP31: Boeing A75N1, N49323, Wenatchee, WA, August 3, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 3, 1981
- Place: Wenatchee, WA · WENATCHEE, WA
- Location: 47.4360° N, 120.3293° W: Placed by OpenAirDocs: center of Wenatchee, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.4360&lon=-120.3293&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 6, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124079
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA81FYP31
- Page: https://openairdocs.org/ntsb/SEA81FYP31

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2719   81/8/3    WENATCHEE,WA        BOEING A75N1        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 50, 22200
        TIME - 1415                    N49323              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 17000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WENATCHEE,WA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PULLUP FROM SWATH RUN
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - HIGH VEGETATION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 7000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - FRUIT ORCHARDS                            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                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  800                               DENSE WITH TREES
          SWATH RUN-HOW FLOWN - WIND CALM                          PROCEDURE TURNAROUND - FIRST 1/3 TURN
        REMARKS- #1 CYL HEAD SPLIT FM BLW FRONT SPARK PLUG HOLE VERTICALLY ACROSS HEAD TO BLW REAR SPARK PLUG HOLE.
```

## Aircraft

- Registration: [N49323](https://openairdocs.org/aircraft/N49323), registered now, S/N 75-3587, 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: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, 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 19810803047499A](https://openairdocs.org/incident/19810803047499A), Aug 3, 1981: Boeing A75N1, Wenatchee, WA, Substantial damage. Engine quit on pullup from a spray. Crashed in an orchard. Found a cracked cylinder.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.