MAR VISTA, CA, USA
N51MR
NORTH AMERICAN P51D
THE ENGINE'S NUMBER 5 INTAKE VALVE SEAT BACKED OUT OF THE HEAD IMMEDIATELY AFTER TAKEOFF, RESULTING IN THE LOSS OF POWER OF 3 CYLINDERS. THE PILOT ENTERED A TURN TO RETURN TO THE RUNWAY. THE AIRCRAFT STALLED AND COLLIDED WITH A RESIDENCE. THE AIRCRAFT FLIGHT MANUAL RECOMMENDED A STRAIGHT AHEAD FLIGHT PATH IN THE EVENT OF A POWER LOSS. THE REMAINING 9 CYLINDERS WERE PRODUCING SUFFICIENT POWER TO ENABLE THE AIRCRAFT TO SLOWLY CLIMB ON A STRAIGHT AHEAD FLIGHT PATH.
THE PILOT'S POOR IN-FLIGHT PLANNING IN ATTEMPTING TO IMMEDIATELY RETURN TO THE AIRPORT AND NOT FOLLOWING ESTABLISHED PROCEDURES AFTER THE LOSS OF POWER AFTER TAKEOFF. THE FAILURE OF AN INTAKE VALVE WAS A FACTOR IN THE ACCIDENT.
Source: NTSB Aviation Accident Database
Aviation Accidents App
In-Depth Access to Aviation Accident Reports