Ever wanted to have a list of every public airport in the United States and the most popular 570+ international airports (5900+ codes from over 150 countries) with their elevation, city name and more? Well, now you can with Airport Codes (APCodes) for the Palm OS. Features include: updates every 56 days, multiple languages (coming soon), full search capability all in a compact easy-to-use interface. You can locate airports by A/FD (Airport and Facilities Directory) region, city/town name, state/country and ICAO identifier (non-US airports only). Also has a Quiz Mode to randomly test your knowledge of airport codes. Supports Palm OS 5.x, printing, color/mono and high-res devices. Great application for anyone in aviation or who travels frequently.