On June 11, 1997, a Luscombe LL-8-A (registration N37095) operated by David J Wallace was involved in an aviation accident near Annapolis, MD. Investigators recorded the probable cause as: the pilot's failure to use carburetor heat, which resulted in accumulation of carburetor ice and subsequent loss of engine power. Related factors were: carburetor icing conditions, and trees in the emergency landing area. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During an aerial survey, the pilot noted a loss of altitude and engine power. A forced landing resulted in the airplane striking trees. Examination found adequate fuel and no contamination, but carburetor heat was off and conditions were conducive to carburetor ice.
Accident Overview
The pilot was performing an aerial survey at an altitude between 500 and 1,000 feet above ground level. While initiating a turn to allow a passenger to photograph seagrass, the pilot noted a loss of altitude. He responded by advancing the throttle to increase power, but then observed that the engine had lost power. The subsequent forced landing resulted in the airplane striking trees in a wooded area, causing damage to the aircraft.
Post-Accident Examination
A post-accident examination of the airplane determined that the fuel tanks contained 6 to 7 gallons of fuel. No water or contamination was detected in the fuel system. The ambient temperature was 82°F and the dew point was 59°F. According to icing probability charts, these conditions were conducive to the formation of carburetor ice. The carburetor heat control was found in the off position.
What happened in the 11 Jun 1997 Luscombe LL-8-A accident near Annapolis, MD?
During an aerial survey, the pilot noted a loss of altitude and engine power. A forced landing resulted in the airplane striking trees. Examination found adequate fuel and no contamination, but carburetor heat was off and conditions were conducive to carburetor ice.
What aircraft was involved and where did it happen?
The accident on 11 Jun 1997 involved a Luscombe LL-8-A, registration N37095, operated by David J Wallace, at Annapolis, MD.
What was the probable cause of the accident?
the pilot's failure to use carburetor heat, which resulted in accumulation of carburetor ice and subsequent loss of engine power. Related factors were: carburetor icing conditions, and trees in the emergency landing area.
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