PPRuNe Forums - View Single Post - Non-official aerodrome codes in the UK: X2BS, X2BO, ....
Old 25th Jul 2017, 15:02
  #13 (permalink)  
n5296s
 
Join Date: Jun 2003
Location: LFMD
Posts: 749
Likes: 0
Received 7 Likes on 4 Posts
Think Russia for one example
Russia, China, Canada, Australia and the US (lower 48) each have single letter prefixes (U, Z, C, Y, K respectively) and hence in theory 26^3 available codes.
n5296s is online now