Overview
During a preflight briefing, the pilot indicated they would fly by a cottage at a reduced airspeed and at about 500 feet above ground level, then climb to a higher altitude for more photographs. The surviving rear seat passenger, who was also a photographer, stated that after flying by the cottage, he did not hear an application of power as expected.
Passenger Account
The passenger noted their low altitude over the mountainous/hilly terrain and yelled for the pilot to climb to avoid trees. The pilot did not respond but was leaning forward as if trying to read or reach something. The airplane then impacted trees and fell to the ground.
Witnesses
Witnesses on the ground reported seeing an airplane fly overhead at a low altitude. One witness stated the engine sounded as if it was sputtering; another stated it was noisy and loud for a small airplane.
Postaccident Examination
A postaccident examination revealed no preimpact mechanical anomaly. Chordwise scrape marks were found on the propeller blades. The carburetor heat control was found in the 'in' position, but the engine had become detached during impact, possibly moving the carburetor heat control as it separated from the firewall.
Weather Conditions
The temperature and dew point recorded were 72 and 47 degrees Fahrenheit, respectively. According to icing probability charts, the weather conditions were conducive for the formation of carburetor ice.