Cessna 207 N18SA

Summary

On 10 February 1986 at about 15:20 local time, a Cessna 207 registered N18SA, operated by Burley Harding, was involved in an accident near Milwaukee, Wisconsin, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

10 February 1986 at 15:20

Classification

Accident

Location

Milwaukee, Wisconsin, United States

Coordinates

42.9793, -87.8998

Aircraft

Cessna 207

Registration

N18SA

Category

Airplane

Engines

1

Operator

Burley Harding

Operating rule

Part 135: Air Taxi & Commuter

Purpose of flight

Unknown

Phase of flight

Not recorded

Route

Milwaukee → Mosinee

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

CHI86LA084

Nobody was injured.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

AFTER PREHEATING THE ENG THE PLT TOOK OFF AND DURING CLIMB THE CABIN FILLED WITH SMOKE AND THE ENG STOPPED. A FORCED LANDING WAS MADE ON A CITY STREET DURING WHICH THE LEFT WING CONTACTED A SIGN POLE. POST ACCIDENT TEARDOWN OF THE ENG DISCLOSED THAT AN OIL TEMP CONTROL VALVE REQUIRED TO RETAIN THE ENG OIL IN THE CRANKCASE UNTIL PROPER OPERATING TEMP IS ATTAINED WAS NOT INSTALLED. WITHOUT THIS TEMP VALVE, OIL IS PERMITTED TO FLOW THROUGH THE OIL COOLER. THE PLT ALSO FAILED TO VISUALLY CHECK THE VISCOSITY OF THE OIL AFTER PREHEATING THE ENG.

Quoted verbatim from the NTSB record.