# NTSB SEA81FYP05: Piper PA-25, N4779Y, Mesa, WA, January 30, 1981

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: January 30, 1981
- Place: Mesa, WA · MESA, WA
- Location: 46.5735° N, 119.0013° W: Placed by OpenAirDocs: center of Mesa, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.5735&lon=-119.0013&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report April 2, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 127218
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA81FYP05
- Page: https://openairdocs.org/ntsb/SEA81FYP05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0170  81/1/30    MESA,WA             PIPER PA-25         CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 21, 320
        TIME - 0945                    N4779Y              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 35 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BASIN CITY,WA               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           SYSTEMS - OTHER SYSTEMS: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - ERRATIC
           MISCELLANEOUS ACTS,CONDITIONS - LOAD NOT JETTISONED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   35                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - OTHER                                     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 - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  600                 SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - SECOND 1/3 TURN
         FIRE AFTER IMPACT
        REMARKS- PLT OBSERVING FERTILIZER GATE OPERATION. ALFALFA CROP.
```

## Aircraft

- Registration: [N4779Y](https://openairdocs.org/deregistered/N4779Y-1983-04-11), registration cancelled 1983-04-11, S/N 25-4546, built 1968 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-260](https://openairdocs.org/model/piper-pa-25-260) (registry code 7102508) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19810130002339A](https://openairdocs.org/incident/19810130002339A), Jan 30, 1981: Piper PA25260, Mesa, WA, Destroyed. Stalled and spun in during procedure turn-around from spray run. First spray application runs.

## Other investigations on N4779Y (3)

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 OAK77DVD25](https://openairdocs.org/ntsb/OAK77DVD25), Mar 8, 1977: Piper PA-25 (N4779Y), Healdsburg, CA, substantial damage
- [NTSB OAK74DVD36](https://openairdocs.org/ntsb/OAK74DVD36), May 20, 1974: Piper PA-25 (N4779Y), Healdsburg, CA, substantial damage
- [NTSB OAK70D0069](https://openairdocs.org/ntsb/OAK70D0069), Jun 20, 1969: Piper PA-25 (N4779Y), Tulelake, CA, 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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