On August 24, 2002, a Robinson R22 BETA (registration N102MH) was involved in an aviation accident near Seneca, IL. Investigators recorded the probable cause as: The loss of engine power for undetermined reasons. Factors were the low altitude, the trees, and the unsuitable terrain encountered for the forced landing. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A helicopter sustained damage after colliding with trees and terrain during a landing approach following a loss of engine power. The pilot had applied carburetor heat when the engine stopped producing power.
Accident Details
The helicopter was damaged when it collided with trees and terrain during a landing approach after a loss of engine power. The pilot reported that he was preparing to turn from the downwind leg of the landing approach to the base leg. He stated that he applied carburetor heat and the engine stopped producing power. The pilot performed an autorotation and landed in trees that were below the helicopter at the time of the engine failure.
Postaccident Examination
A postaccident examination of the helicopter revealed that the inner wire of the carburetor heat control cable was fractured. The carburetor heat slide valve was found in an intermediate position. No other preexisting anomalies were discovered.