May 2021 Crossword Key
Across 1 Makers of the A5 amphibious airplane 3 First Flyer flyer 7 An “S’ turn 9 Pilotless fliers 11 What pilots try to mitigate 13 Gained altitude 15 Hardwood tree 16 Lighting system on a non-precision runway, abbr. 18 Gravity is a powerful one […]