SPRING, TX, USA
N8050B
ROBINSON R-22B
DURING A PARTIAL LOSS OF ENGINE POWER DUE TO CARBURETOR ICE, THE PILOT FAILED TO APPLY CARBURETOR HEAT IN AN EFFORT TO REGAIN POWER. DURING THE FORCED LANDING TO A RESIDENTIAL AREA THE STUDENT PILOT DID NOT APPLY APPROPRIATE COLLECTIVE CUSHIONING PITCH RESULTING IN THE HELICOPTER LANDING HARD AS THE TAIL ROTOR AND MAIN ROTOR STRUCK A TREE. TEMPERATURE/DEW POINT WERE 78/67 DEGREES RESPECTIVELY.
POWER LOSS DUE TO CARBURETOR ICE, THE PILOT'S FAILURE TO USE CARBURETOR HEAT, AND HIS FAILURE TO APPLY ADEQUATE CUSHIONING COLLECTIVE PITCH DURING THE FLARE SEGMENT OF THE AUTOROTATION. A FACTOR IN THE ACCIDENT WAS THE PILOT'S IMPROPER AUTOROTATION TECHNIQUE.
Source: NTSB Aviation Accident Database
Aviation Accidents App
In-Depth Access to Aviation Accident Reports
