# NTSB CHI87LA086: Cessna 172RG, N4601V, Camp Douglas, WI, February 20, 1987

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: February 20, 1987, 09:45 local (15:45 UTC)
- Place: Camp Douglas, WI
- Coordinates: 43.909408, -90.260002 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.9094&lon=-90.2600&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report March 31, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 13735
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI87LA086
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13735/pdf
- Page: https://openairdocs.org/ntsb/CHI87LA086

## Sequence of events

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

- Miscellaneous/other, cruise - normal
  - aircraft handling - not possible, pilot in command
  - incapacitation(other cardiovascular), pilot in command (cause)
- Hard landing, landing - flare/touchdown
  - radio communications - performed, passenger
  - instructions,written/verbal - issued, pilot of other aircraft
  - instructions,written/verbal - issued, flight instructor(on ground)
  - flare - not attained, passenger

## Analysis

THE PASSENGER RPRTD THAT ABOUT 5 MIN AFTER TAKEOFF, THE PLT BECAME INCAPACITATED & WAS NO LONGER ABLE TO MAINTAIN CONTROL OF THE ACFT. THE NON-CERTIFICATED PASSENGER ASSUMED CONTROL. WITH THE ASSISTANCE (INSTRUCTIONS) FROM AN AIRBORNE FLT INSTRUCTOR & AN INSTRUCTOR IN THE CONTROL TOWER AT VOLK ANG BASE, THE PASSENGER WAS ABLE TO MAKE A LANDING, BUT THE ACFT WAS DAMAGED DURING THE OCCURRENCE. A PATHOLOGICAL EXAM REVEALED THERE WAS A COMPLETE DISSECTION OF ASCENDING AORTA, CIRCUMFERENTIAL, 3 CM ABOVE THE AORTIC VALVE WITH CYSTIC MEDIAL NECROSIS & A SUBSEQUENT CARDIAC TAMPONADE.

## Aircraft

- Registration: [N4601V](https://openairdocs.org/aircraft/N4601V), registered now, S/N 172RG0336, built 1980 (OpenAirDocs)
- Reported make and model: CESSNA 172RG
- Registry model: [Cessna 172RG](https://openairdocs.org/model/cessna-172rg) (registry code 2072438) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 172RG0336
- Airframe hours: 1
- Engines: LYCOMING O-360-F1A6 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Clark County Agency, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, February 5, 1986, 4 hours before
- Departed: Y72, TOMAH, WI
- Destination: SBM, SHEBOYGAN, WI
- Airport: VOK, Volk Ang Base, runway 27, 9,000 × 150 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; toxicology performed; flight hours: 1,151 total, 869 in this make and model, 1,086 as pilot in command, 24 in the last 90 days, 21 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 160° at 3 knots
- Visibility: 7 statute miles
- Lowest ceiling: 25,000 ft broken
- Temperature: 39 °F, dew point 18 °F
- Altimeter: 30.00 inHg
- Observed at: VOK

## 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 19870220002959A](https://openairdocs.org/incident/19870220002959A), Feb 20, 1987: Cessna 172RG, Camp Douglas, WI, Substantial damage, 1 fatal. Pilot died of heart attack. Aircraft landed by non rated pilot, aided by pilot in aircraft flying along side.

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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