What's New:
• Instructor referrals — got a code from your flight instructor? Enter it when
  you set up the app and your discount is applied at checkout.
• Behind-the-scenes improvements and bug fixes.
• More accurate radio calls — departure/arrival directions now follow your actual route.
• Smoother route setup — one tap swaps to the nearest valid airport when field types don't match.
• Cleaner subscription screen.