CW3SF, you could fly WSW from Koln following that main road until you hit the edge of my Flanders map at which point you could then navigate using the 'paper map' and WOFF landmarks. I've just posted an updated download that includes the situation maps for 1915.

Here is a link to that thread: WOFF Map Set May 2015 Update 3


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Three RFC Brass Hats were strolling down a street in London. Two walked into a bar, the third one ducked.

Former Cold War Warrior, USAF Security Service 1974-1978, E-4, Morse Systems Intercept, England, Europe, and points above.
"pippy-pahpah-pippy pah-pip-pah"