-15-
7. The copilot met the crew requirements for the flight, but did not have sufficient piloting ability to appreciably assist the pilot under the existing conditions.
8. The aircraft went out of control from a cruise configuration and crashed in a 55—degree nosedown, vertical left bank attitude.
(b) Probable Cause The Board determines that the probable cause of this accident was spatial disorientation of the pilot, resulting in a loss of control.
BY THE NATIONAL TRANSPORTATION SAFETY BOARD-
/s/ JOSEPH J. O'CONNELL, Jr. Chairman
/s/ OSCAR M. LAUREL Member
/s/ JOHN H. REED Member
/s/ LOUIS M. THAYER Member
/s/ FRANCIS H. McADAMS
Member
S-8768
