Its from Cliffs of Dover but could be useful (found at work have not checked yet).
For BF108 its on page 58.
Stuka is in there too !
Also conversion table on page 5.
http://www.2gvsap.org/flea/OP2GvSAPINST_3710.1B.pdf
(from here: http://simhq.com/forum/ubbthreads.php/t ... t_Ope.html)
Editable version
http://airwarfare.com/sow/index.php?opt ... 82&cid=166