NTSB Identification: LAX91FA143.
The docket is stored on NTSB microfiche number 44833.
Accident occurred Wednesday, March 27, 1991 in VAIL, AZ
Probable Cause Approval Date: 03/10/1993
Aircraft: BEECH 58P, registration: N27L
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE OWNER/PILOT HAD PURCHASED THE AIRPLANE IN MINNESOTA, AND HAD HIRED AN INSTRUCTOR PILOT WITH 1000 HOURS IN TYPE TO FLY BACK TO ARIZONA WITH HIM, AND THEN TO FLY EACH DAY WITH HIM UNTIL HE BECAME QUALIFIED AND PROFICIENT IN THE AIRPLANE. RADAR TRACKING DATA INDICATED A ROUTE TO THE EAST PRACTICE AREA AFTER DEPARTURE WHERE THE AIRPLANE MANEUVERED BETWEEN 5400 AND 7300 FEET MSL. TERRAIN ELEVATION IN THE AREA IS ABOUT 3000 FEET MSL. RADAR DATA WAS RECORDED FOR 47 MINUTES. AT A POINT WHERE GROUND SPEED WAS INDICATED TO BE 72 KNOTS, THE AIRPLANE STARTED A RAPID DESCENT AND WAS LOST FROM RADAR AT 4100 FEET MSL. WITNESSES REPORTED SEEING THE AIRPLANE SPINNING CLOCKWISE IN THE PRACTICE AREA. THE LANDING GEAR AND FLAPS WERE FOUND IN THE DOWN POSITION.

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

THE FAILURE OF BOTH PILOTS TO MAINTAIN CONTROL OF THE AIRPLANE.

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