NTSB Identification: LAX89LA035.
The docket is stored on NTSB microfiche number 38428.
Accident occurred Friday, November 04, 1988 in CHANDLER, AZ
Probable Cause Approval Date: 01/04/1990
Aircraft: CESSNA 152, registration: N4657L
Injuries: 2 Serious.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PILOT LOST CONTROL AND COLLIDED WITH THE RUNWAY WHILE MANEUVERING FOR LANDING. THE PILOT AND PASSENGER WERE TESTING ATMOSPHERIC CONDITIONS WITH METEOROLOGICAL EQUIPMENT IN CONJUNCTION WITH NOISE TESTING OF A BOEING 707 'HUSH' KIT. THE CESSNA TOOKOFF HEADING SE. IT CLIMBED TO 800 FT AGL AND BEGAN DOING DESCENDING RIGHT-HAND TURNS OVER AN UNIDENTIFIED OBJECT ON THE GROUND. AFTER DESCENDING TO ABOUT 50 FT AGL, THE CESSNA CLIMBED TO ABOUT 100 FT AGL. AT THIS POINT THE PILOT ATTEMPTED TO ALIGN THE AIRCRAFT WITH THE RUNWAY. HEADING SE CROSSING OVER THE RUNWAY AT AN ANGLE, THE AIRCRAFT WAS TURNED LEFT TO BE ALIGNED WITH THE RUNWAY. DURING THE LEFT-HAND TURN THE AIRCRAFT STALLED AND ENTERED A LEFT-HAND SPIN. THE AIRCRAFT MADE 1/2 TO 3/4 REVOLUTION PRIOR TO MAKING CONTACT WITH THE GROUND. EXAMINATION OF THE AIRCRAFT DID NOT DISCLOSE ANY EVIDENCE OF MECHANICAL FAILURES OR MALFUNCTIONS. THE AIRCRAFT WAS BEING OPERATED IN AN OVERWEIGHT CONDITION.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

MANEUVER..EXCESSIVE..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

STALL/SPIN..INADVERTENT..PILOT IN COMMAND


Contributing Factors

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND


Contributing Factors

PLANNING/DECISION..POOR..PILOT IN COMMAND


Contributing Factors

AIRCRAFT WEIGHT AND BALANCE..EXCEEDED..PILOT IN COMMAND


Contributing Factors

PROPER ALIGNMENT..MISJUDGED..PILOT IN COMMAND


Contributing Factors

ALTITUDE..IMPROPER..PILOT IN COMMAND

Index for Nov1988 | Index of months