If you have access to UK Flight Testing Accidents 1940 to 1971 ISBN 0 85130 311 1
Thanks John, I don't have such access. Appreciate it if you could post any detail here
- it might also interest the other forum members.
I do know that VN850 was the first Canberra to be fitted and flown with jettisonable wing-tip tanks, also that it was the first of its kind to be shown overseas - at Paris, Orly in 1950.