# NTSB DEN71DXA12: Piper PA-18, N4227Z, Shell, WY, October 5, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 5, 1970
- Place: Shell, WY · SHELL, WY
- Location: 44.5345° N, 107.7845° W: Placed by OpenAirDocs: center of Shell, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.5345&lon=-107.7845&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 12, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 158511
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN71DXA12
- Page: https://openairdocs.org/ntsb/DEN71DXA12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3898   70/10/5   SHELL,WYO           PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 37, 1218
        TIME - 1100                    N4227Z              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 662 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT
          CODY,WYO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           TERRAIN - OTHER
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
        REMARKS- NOTICED TAILWIND DRG LDG IN PASTURE.APPLIED HARD BRAKING TO AVOID DITCH.TERRAIN MARGINAL ANY DRCTN
```

## Aircraft

- Registration: [N4227Z](https://openairdocs.org/aircraft/N4227Z), registered now, S/N 18-8452, built 1966 (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: 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.

---
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.