# NTSB CHI88FA248: Cessna 210L, N5268V, Monroe, WI, September 30, 1988

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: September 30, 1988, 12:42 local (17:42 UTC)
- Place: Monroe, WI
- Location: 42.6034° N, 89.6365° W: Placed by OpenAirDocs: center of Monroe, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.6034&lon=-89.6365&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report January 4, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 13975
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI88FA248
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13975/pdf
- Page: https://openairdocs.org/ntsb/CHI88FA248

## Sequence of events

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

- Airframe/component/system failure/malfunction, cruise - normal
  - lubricating system,oil gasket - separation (cause)
  - window,flight compartment window/windshield - contamination
- In flight collision with object, approach
  - weather condition - fog (contributing factor)
  - ifr procedure - not followed, pilot in command (contributing factor)
  - maneuver - improper, pilot in command (cause)
  - object - tree(s) (contributing factor)
  - proper altitude - not maintained, pilot in command (cause)
  - visual/aural perception, pilot in command (contributing factor)
- In flight collision with terrain/water, descent - uncontrolled

## Aircraft

- Registration: [N5268V](https://openairdocs.org/deregistered/N5268V-1989-03-02), registration cancelled 1989-03-02, S/N 21060887 (OpenAirDocs)
- Reported make and model: CESSNA 210L
- Registry model: [Cessna 210L](https://openairdocs.org/model/cessna-210l) (registry code 2073448) (OpenAirDocs)
- Category: Airplane
- Serial number: 21060887
- Engines: CONTINENTAL IO-520-L 285 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Personal, Part 91
- Operator: Clark, Thomas H.
- Registered owner: Clark, Thomas H
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, November 12, 1987
- Departed: RST, ROCHESTER, MN
- Destination: RZL, RENSSELEAR, IN
- Flight plan: IFR
- Airport: C33, Monroe, runway 30, 4,200 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 66; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; toxicology performed; flight hours: 1,650 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 190° at 6 knots
- Visibility: 4 statute miles
- Lowest ceiling: 25,000 ft broken
- Altimeter: 30.00 inHg
- Observed at: JVL, 24 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 19880930042449A](https://openairdocs.org/incident/19880930042449A), Sep 30, 1988: Cessna 210L, Monroe, WI, Destroyed, 2 fatal. Oil on windshield from broken oil cooler gasket. Descended into trees circling to land in field. Oil blocked vision

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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