# NTSB SEA84LA213: Piper PA-22-150, N7249D, Shoshone, ID, August 25, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: August 25, 1984, 07:45 local (13:45 UTC)
- Place: Shoshone, ID
- Coordinates: 43.070526, -114.410156 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.0705&lon=-114.4102&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40000
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA84LA213
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40000/pdf
- Page: https://openairdocs.org/ntsb/SEA84LA213

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Overrun, takeoff - roll/run
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - airport facilities,runway/landing area condition - soft (contributing factor)
  - airport facilities,runway/landing area condition - high vegetation (contributing factor)
  - aborted takeoff - delayed, pilot in command (cause)
- On ground/water encounter with terrain/water, takeoff - roll/run
  - airport facilities,runway/landing area condition - dirt bank/rising embankment (contributing factor)
- Nose over, takeoff - roll/run

## Analysis

THE PLT ATTEMPTED TAKEOFF FROM A WET ALFALFA FIELD. HIGH VEGETATION AND SOFT TERRAIN PREVENTED PROPER ACCELERATION TO LIFT OFF SPEED. THE NOSEWHEEL STRUCK AN EMBANKMENT AND THE AIRCRAFT NOSED OVER.

## Aircraft

- Registration: [N7249D](https://openairdocs.org/aircraft/N7249D), registered now, S/N 22-5075, built 1957 (OpenAirDocs)
- Reported make and model: PIPER PA-22-150
- Registry model: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-5075
- Engines: LYCOMING O-520-A1A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Registered owner: Clayton
- Airworthiness certificate: Standard, Normal
- Departed: 2U6, SHOSHONE, ID
- Destination: TWF, TWIN FALLS, ID

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; flight hours: 6,400 total, 18 in this make and model, 20 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 110° at 14 knots
- Visibility: 30 statute miles
- Lowest ceiling: 12,000 ft broken
- Temperature: 48 °F, dew point 57 °F
- Altimeter: 29.00 inHg
- Observed at: TWF, 27 nm away

## 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 19840825043549A](https://openairdocs.org/incident/19840825043549A), Aug 25, 1984: Piper PA22150, Shoshone, ID, Substantial damage. Pilot claims he lost directional control on wet alfalfa field. Nose wheel hit embankment causing airplane to flip.

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.