Here is the other page as requested. The suggestion Irish Zenith is some sort of code, perhaps for something German such as Ixxx Zxxx seems plausible. Many thanks.
Thinking of D Day 1944 I have been looking at my father's RAF logbooks for June 1944 (SqLd RR Wright DFC etc).
In the process of converting to Mosquitos with 235 Squadron based at Portreath he had an uneventful D Day in BEAU(fighter) L' off Ushant.
The puzzle is the next mission which was not...