# NTSB SEA87LA132: Piper PA-12, N3438M, Sun Valley, ID, July 5, 1987

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: July 5, 1987, 15:15 local (21:15 UTC)
- Place: Sun Valley, ID
- Coordinates: 43.069988, -114.409309 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.0700&lon=-114.4093&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report July 5, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40653
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA87LA132
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40653/pdf
- Page: https://openairdocs.org/ntsb/SEA87LA132

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - weather condition - unfavorable wind (cause)
  - directional control - not possible, pilot in command
- On ground/water collision with object, landing - roll
  - object - fence (contributing factor)

## Analysis

AFTER LANDING TOUCHDOWN, PLT ENCOUNTERED SWIRLING WINDS. ACFT DRIFTED LEFT AND INTO AIRPORT BOUNDARY (CYCLONE-TYPE) FENCE.

## Aircraft

- Registration: [N3438M](https://openairdocs.org/aircraft/N3438M), registered now, S/N 12-2276, built 1947 (OpenAirDocs)
- Reported make and model: PIPER PA-12
- Registry model: [Piper PA-12](https://openairdocs.org/model/piper-pa-12) (registry code 7101202) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 122276
- Airframe hours: 2707
- Engines: LYCOMING O-320-A2A 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Stanley E. Clark
- Registered owner: Clark, Stanley E.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 2, 1986, 54 hours before
- Departed: WYS, W.YELLOWSTONE, MT
- Airport: SUN, Friedman Memorial, runway 31, 6,600 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: front; toxicology performed; flight hours: 1,350 total, 745 in this make and model, 1,227 as pilot in command, 20 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 210° at 7 knots
- Visibility: 25 statute miles
- Lowest ceiling: none
- Temperature: 73 °F, dew point 36 °F
- Altimeter: 29.00 inHg
- Observed at: SUN

## 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 19870705032139A](https://openairdocs.org/incident/19870705032139A), Jul 5, 1987: Piper PA12, Hailey, ID, Substantial damage. The aircraft veered off the runway into a fence. Winds were reported as widely variable.

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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