North American P51 Mustang Mk.I AP208
Location: SD 60795 50779
Boulton Paul Defiant Mk.I N1651 coded JT-Z
Location: SD 57499 51584
The "More info" links are to the relevant sections of Wotherspoon's book, which is now available free on Google books, in the unlikely event that you were thinking of buying it. His coordinates are very good for the Mustang. Less so for the Defiant.....