Incident Overview
A local area dual instructional flight was en route to the practice area at an altitude of 1,300 feet when the engine suddenly lost power. The instructor attempted to remedy the power loss but was unsuccessful. During the subsequent forced landing attempt on a freeway, the aircraft collided with a bridge structure and an automobile.
Examination
The aircraft was examined by an FAA airworthiness inspector. According to the inspector's report, no mechanical malfunctions or failures were identified.
Weather Conditions
The Oakland, California, aviation weather observation taken at 0945 hours reported a temperature of 55 degrees Fahrenheit and a dew point of 41 degrees Fahrenheit. Review of a carburetor icing probability chart revealed that the temperature and dew point combination falls within an area defined as “serious icing – cruise or climb power.”
Additional Details
The source does not specify the aircraft type, registration, engine count, date, operator, number of occupants, injuries, or damage items. No analysis or conclusions beyond the stated facts are provided.