How low is too low?
Peter
To answer your question from an historic viewpoint, have a look at this B-24 preparing to drop supplies to Airborne troops on Operation Varsity. Here’s an eye-witness’s account:
Those planes came in at 100 ft. high. What a wonderful and impressive sight! Sadly, many of those planes could be seen turning around to go home with smoke trailing from engines. We all hoped they made it back safely.
