# NTSB MKC86LA163: Piper PA-25-260, N9641P, Hershey, NE, July 30, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 30, 1986, 17:45 local (22:45 UTC)
- Place: Hershey, NE
- Coordinates: 41.149848, -101.000289 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.1498&lon=-101.0003&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 34225
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC86LA163
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34225/pdf
- Page: https://openairdocs.org/ntsb/MKC86LA163

## Sequence of events

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

- In flight encounter with weather, maneuvering - aerial application
  - weather condition - windshear (cause)
- In flight collision with terrain/water, maneuvering - aerial application
  - terrain condition - crop (contributing factor)
  - terrain condition - ground (contributing factor)

## Analysis

THE PILOT STATED HE WAS SPRAYING INSECTICIDES ON CORN AND ENCOUNTERED A WIND SHEAR THAT PULLED THE AIRPLANE DOWN INTO THE CORN. HE WAS UNABLE TO RECOVER AND THE AIRPLANE HIT THE GROUND.

## Aircraft

- Registration: [N9641P](https://openairdocs.org/deregistered/N9641P-2013-09-17), registration cancelled 2013-09-17, S/N 25-7656021, built 1976 (OpenAirDocs)
- Reported make and model: PIPER PA-25-260
- Registry model: [Piper PA-25-260](https://openairdocs.org/model/piper-pa-25-260) (registry code 7102508) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 25-7656021
- Airframe hours: 1465
- Engines: LYCOMING O-540-G1A5 260 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Larry J. Fiese
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, December 18, 1985
- Departed: LBF, NORTH PLATTLE, NE

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; commercial, flight instructor; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 1,835 total, 1,150 in this make and model, 1,645 as pilot in command, 140 in the last 90 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 325° at 4 knots, gusting 6
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 91 °F, dew point 55 °F
- Altimeter: 29.00 inHg

## 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 19860730036669A](https://openairdocs.org/incident/19860730036669A), Jul 30, 1986: Piper PA25260, Hershey, NE, Substantial damage. During spray swath aircraft encountered a dust devil which caused wheel to catch in corn. Aircraft impacted ground.

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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