Larry,
British newspapers (online archives) of 19 Jan 1948 tell of a Harvard crash with missing pilot in The Wash the Friday before. Body apparently found only three months later, a Norfolk newspaper on 20 April 1948 writes.
Harvard was from RAF Feltwell.
Accident also here:
https://aviation-safety.net/wikibase/311622 I now found
Regards,
Leendert