# NTSB WPR13CA114: Piper PA-18-150, N83454, Worland, WY, February 1, 2013

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Data collection · Final report
- Date: February 1, 2013, 16:00 local (23:00 UTC)
- Place: Worland, WY
- Coordinates: 43.95, -107.949996 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.9500&lon=-107.9500&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Defining event: [Landing-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 9, 2013
- Report: Approved by Office Director
- NTSB office: Western Pacific Region
- Parties: Federal Aviation Administration
- NTSB case key (mKey): 86157
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR13CA114
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/86157/pdf
- NTSB docket: https://data.ntsb.gov/Docket?ProjectID=86157
- Page: https://openairdocs.org/ntsb/WPR13CA114

## Probable cause

The pilot's failure to maintain directional control during landing.

## Findings

NTSB's coded findings; those marked are part of the probable cause.

- [Performance/control parameters: directional control](https://openairdocs.org/ntsb-findings/01062020): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Piper PA-18-150, 98 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=7101828), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md)
- [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Piper PA-18-150, 160 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=7101828), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md)

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Landing-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Piper PA-18-150, 109 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=7101828), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md)

## Analysis

The pilot stated that during the landing roll he ground looped the airplane causing structural damage to the left wing. The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation.

## Factual narrative

The pilot stated that during the landing roll he ground looped the airplane causing structural damage to the left wing. The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation.

## Aircraft

- Registration: [N83454](https://openairdocs.org/aircraft/N83454), registered now, S/N 18-7609140, built 1976 (OpenAirDocs)
- Reported make and model: PIPER PA-18-150
- 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
- Serial number: 18-7609140
- Airframe hours: 1880
- Engines: LYCOMING O-320 SERIES 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: M. Mercer Livestock Transportation LLC
- Registered owner: M. Mercer Livestock Transportation LLC
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, November 15, 2012
- Departed: KWRL, Worland, WY
- Destination: KWRL, Worland, WY
- Airport: KWRL, Worland Municipal Airport, runway 16, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; injuries: none; student; medical: class 3, with waivers/limitations; seat: front; flight hours: 20 total, 20 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 190° at 3 knots
- Visibility: 10 statute miles
- Lowest ceiling: 8,500 ft overcast
- Temperature: 30 °F, dew point 23 °F
- Altimeter: 30.09 inHg
- Observed at: KWRL

## 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 20130201000969A](https://openairdocs.org/incident/20130201000969A), Feb 1, 2013: Piper PA-18-150, Worland, WY, Substantial damage. On 2/1/2013 at approx 1600 LCL N83454 a PA-18-150, sustained substantial damage upon landing at Worland, WY. One sole on board, no invuries. VFR conditions…

## Other investigations on N83454 (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 FTW98LA013](https://openairdocs.org/ntsb/FTW98LA013), Oct 6, 1997: Piper PA-18-150 (N83454), Folsum, NM, substantial damage. Probable cause: the pilot's failure to maintain aircraft control during takeoff, which resulted in a stall/mush. A related factor was the crosswind condition.

## Docket (1 files)

The files NTSB released with the investigation on March 7, 2013, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=86157. 952 KB in all.

- Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 952 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40387788&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.PDF

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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