# NTSB SEA77FTA29: Piper PA-18, N3989P, Wyola, MT, August 29, 1977

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 29, 1977
- Place: Wyola, MT · WYOLA, MT
- Location: 45.1153° N, 107.3738° W: Placed by OpenAirDocs: center of Wyola, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.1153&lon=-107.3738&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report November 1, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145959
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77FTA29
- Page: https://openairdocs.org/ntsb/SEA77FTA29

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3093  77/8/29    WYOLA,MT            PIPER PA-18         CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 46, 4500
        TIME - 1215                    N3989P              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 1500 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         UNKNOWN/NOT REPORTED         WYOLA,MT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      70
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WIND VARIABLE AND GUSTING.APCH FOR LDG IN PASTURE.
```

## Aircraft

- Registration: [N3989P](https://openairdocs.org/deregistered/N3989P-2012-09-27), registration cancelled 2012-09-27, S/N 18-4749, built 1955 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (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 19770829025679A](https://openairdocs.org/incident/19770829025679A), Aug 29, 1977: Piper PA18150, Wyola, MT, Substantial damage. Wind variable and gusting. Apch for ldg in pasture.

## Other investigations on N3989P (1)

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 DEN72DTC15](https://openairdocs.org/ntsb/DEN72DTC15), Jan 17, 1972: Piper PA-18 (N3989P), Dayton, WY, 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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