# NTSB MKC82IA138: Piper PA-25-235, N7043Z, Wilsonville, NE, August 8, 1982

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Incident investigation · Final report
- Date: August 8, 1982, 10:00 local (15:00 UTC)
- Place: Wilsonville, NE
- Coordinates: 40.109966, -100.100227 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.1100&lon=-100.1002&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 8, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 73064
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC82IA138
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/73064/pdf
- Page: https://openairdocs.org/ntsb/MKC82IA138

## Sequence of events

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

- In flight collision with object, maneuvering - aerial application
  - reason for occurrence undetermined (cause)

## Analysis

THE PILOT STATED THAT HE WAS OVERCOME BY EXPOSURE TO THE ORGANIC PHOSPHATE HE WAS DEPLOYING. ACCORDING TO LOCAL LAW ENFORCEMENT AUTHORITIES, THE AIRCRAFT CRASHED IN A FIELD AND CAME TO REST INVERTED. MEDICAL TESTS FOR TOXIC CHEMICAL EXPOSURE WERE INCONCLUSIVE.

## Aircraft

- Registration: [N7043Z](https://openairdocs.org/deregistered/N7043Z-2019-04-05), registration cancelled 2019-04-05, S/N 25-2807, built 1964 (OpenAirDocs)
- Reported make and model: PIPER PA-25-235
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 25-2807
- Airframe hours: 4100
- Engines: LYCOMING O-540 235 horsepower reciprocating
- Damage: Minor damage
- Flight: Aerial application, Part 91
- Operator: C.J. Behnke
- Registered owner: C.J. Behnke
- Departed: CSB, CAMBRIDGE, NE
- Destination: CSB, CAMBRIDGE, NE

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; commercial; airplane ratings: multi-engine land, single-engine land; medical: class 2, valid medical--w/ waivers/lim; flight hours: 1,723 total, 1,217 in this make and model, 1,419 as pilot in command, 162 in the last 90 days, 16 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 60° at 5 knots
- Visibility: 15 statute miles
- Temperature: 181 °F
- Altimeter: 30.00 inHg
- Observed at: MCK, 25 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).

- [Incident 19820808053439I](https://openairdocs.org/incident/19820808053439I), Aug 8, 1982: Piper PA25235, Wilsonville, NE, Minor damage. Pilot reported he was overcome by chemical organic phosphate. Doesnt remember crash. Pilots to use masks in future.

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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