# NTSB CHI86FA179: Stinson 108-3, N6567M, Shiocton, WI, July 26, 1986

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: July 26, 1986, 17:59 local (22:59 UTC)
- Place: Shiocton, WI
- Coordinates: 44.439685, -88.569702 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.4397&lon=-88.5697&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report June 7, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 13264
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86FA179
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13264/pdf
- Page: https://openairdocs.org/ntsb/CHI86FA179

## Sequence of events

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

- In flight collision with object, maneuvering
  - judgment - poor, pilot in command (cause)
  - impairment(alcohol), pilot in command (cause)
  - qualification, pilot in command
  - proper altitude - not maintained, pilot in command (cause)
  - buzzing - attempted, pilot in command (cause)
  - object - utility pole (contributing factor)
  - clearance - misjudged, pilot in command (cause)
  - object - tree(s) (contributing factor)
  - object - residence (contributing factor)

## Analysis

WITNESSES RPRTD THAT PRIOR TO THE ACDNT, THE ACFT WAS FLYING AT A VERY LOW LEVEL, NEAR TREETOP LEVEL, OVER RESIDENCES, A BALL PARK & A LAKE PARK. SUBSEQUENTLY, THE ACFT COLLIDED WITH A UTILITY POLE & TREES, THEN CRASHED INTO A PRIVATE RESIDENCE & BURST INTO FLAMES. THE ACFT WAS DESTROYED BY IMPACT & FIRE & THE RESIDENCE WAS EXTENSIVELY DAMAGED FROM THE COLLISION & POST-CRASH FIRE. WITNESSES RPRTD THAT THE ENG WAS OPERATING NORMALLY PRIOR TO THE ACDNT. NO PREIMPACT MECHANICAL PROBLEMS WERE FOUND DURING THE INVESTIGATION. A CHECK OF THE PLT'S BLOOD SHOWED AN ALCOHOL LVL OF 0.193%. THE PASSENGER HAD A BLOOD/ALCOHOL LVL OF 0.116%. THE PLT'S MED CERT WAS DATED 7/22/83.

## Aircraft

- Registration: [N6567M](https://openairdocs.org/deregistered/N6567M-2013-04-30), registration cancelled 2013-04-30, S/N 108-4567, built 1948 (OpenAirDocs)
- Reported make and model: STINSON 108-3
- Registry model: [Stinson 108-3](https://openairdocs.org/model/stinson-108-3) (registry code 9230408) (OpenAirDocs)
- Registry engine: [Franklin 6A4165 series](https://openairdocs.org/engine/franklin-6a4165-series) (registry code 27025, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 108-4567
- Engines: FRANKLIN 6A4-165-B3 165 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Personal, Part 91
- Operator: R. L. Heinz
- Registered owner: John F. Binns
- Airworthiness certificate: Standard, Normal

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; commercial; airplane ratings: single-engine land; medical: expired; seat: left; toxicology performed; flight hours: 4,500 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 140° at 5 knots
- Visibility: 20 statute miles
- Lowest ceiling: 25,000 ft overcast
- Temperature: -0 °F, dew point -0 °F
- Altimeter: 30.00 inHg
- Observed at: ATW, 16 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 19860726040819A](https://openairdocs.org/incident/19860726040819A), Jul 26, 1986: Univar 1083, Shiocton, WI, Destroyed, 1 fatal. The aircraft hit trees, a pole and a house. No mechanical malfunctions. The pilot was drinking and flying low.

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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