Although I've finished there are two of which I'm unsure: 17a Somewhat out of sight, out of mind? I have dim. 37a follower of four abandoned ideas for flier? I have plane. Thanks in anticipation.
Dear Bibblebub
Thank you from me too. This was my last clue and, of course, plane was the only realistic answer. But I just couldn't get the logic. Until now! Very clever. Thank you
Steven j