[bearoutwest]

Originally Posted by pvanroy

..... The machine in the pictures is Bf 109 B-1 W.Nr. 301, which was used as a development aircraft for the Bf 109 T, specifically for catapult trials (note that no arrestor hook is installed). It was the first B-1 built by Erla, in April 1937, and received civil registration D-IKAG. After its conversion to a T development aircraft, it was taken over by BAL in Augsburg on 25 June 1938. For its catapult tests in Travemünde, it received the Stkz. TK + HM.

Thanks @pvanroy, that was what I was hoping for in terms of a caption/details.
...geoff