Spitfire F22 PK350

Serial #: PK350
Construction #:
SMAF 15826
Civil Registration:
None
Model: F Mk. 22
Name: None
Status: Destroyed
Last info: 1982
History:
Delivered to Southern Rhodesian AF as SR64.
– BOC: Mar. 28, 1951.
– SOC: 1954.
Delivered to Royal Rhodesian AF as RRAF64, Oct. 1954.
– WFU, last flight, Dec. 18, 1954.
– New Sarum AB, Rhodesia, 1969-1977.
— Displayed on pole.
Captain Jack Malloch/Air Trans Africa, Salisbury/Harare, Zimbabwe, 1977-1982.
– Rebuilt Salisbury.
– First flight March 29, 1980.
– Flew as PK350/MJ-M.
– Crashed and destroyed at Goromorzi, near Harare, Zimbabwe, Mar. 26, 1982.
— Malloch killed.

Anyone know what was the cause of the accident??