On June 4, 1986, a Cessna 177B (registration N35252) was involved in an aviation accident near Fullerton, CA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
Shortly after takeoff for a traffic-reporting flight, the engine misfired. The aircraft entered a steep left bank, then nosedived into a tractor-trailer and burned. Investigation found no preimpact failure; pilot's blood alcohol was 0.04%.
Takeoff and Engine Misfire
The pilot departed on a flight to provide traffic reports to a local broadcasting station. Witnesses reported that shortly after takeoff, the engine began to misfire.
Loss of Control and Crash
The aircraft then entered a steep left bank angle before plummeting toward the ground. While still in a steep nose-down attitude, it crashed into a tractor-trailer rig and subsequently burned.
Post-Crash Examination
An examination of the airframe and engine disclosed no evidence of a preimpact part malfunction or failure. However, the engine accessories were destroyed by impact and fire. Examination of the propeller revealed evidence that it was turning and that some power was being developed at impact.
Toxicology Results
Toxicology checks of the pilot's blood and brain tissue showed alcohol levels of 0.04% and 0.05%, respectively.