rab-k ...
Hope you find this of some interest in relation to the Chipmunk serials you have mentioned above
WB567 Now VH-JHN Queensland Australia
WB739 Now F-AZVA St. Rambert d'Albion France
WB845
Check Serial - No 845 in WB Range could be WP845 or WZ845. However if WP845 this Chipmunk was W/O 
But WZ845 is still flying in France.
WD373 Now G-BXDI Duxford Cambridge England
WK585 Now G-BZGA Shoreham Sussex
And if you would like to fly in her again ...
The Real Flying Company Shoreham
WP860 Now G-BXDA Edinburgh Scotland
WP929 Now G-BXCV Hong Kong (the image here is from 2008 but no later pic seems to exist)
WP967 Now F-AZJQ Creon France
Best regards ...
Coff.
All images are linked from various internet sites and therefore the copyright belongs to the original photographer where indicated.