Airport ID is a travel and navigation application available for iPhone. Developed by Ulrich Helker, this free program allows users to search and identify the three and four letter IDs, also known as IATA Codes, ICAO Codes, and FAA Codes, of airports from all around the world.

With over 30,000 airports in its database, Airport ID provides a quick and efficient way to search for airport codes. Whether you are planning a trip or simply curious about airport codes, this app can help you find the information you need. What sets Airport ID apart is that it allows you to search for codes even when you are offline, making it a convenient tool for travelers.

In addition to providing airport codes, Airport ID also offers additional features. Users can look up more information about airports on Wikipedia, allowing for a deeper understanding of each location. Furthermore, the app allows users to open the airport's location in Google Maps, making it easy to navigate to the desired destination.

Airport ID offers a user-friendly interface with an easy-to-use keypad for identification. This ensures that users can quickly and effortlessly search for airport codes without any hassle.

Overall, Airport ID is a valuable tool for travelers and aviation enthusiasts alike. Its extensive database, offline search functionality, and additional features make it a must-have app for those interested in airport codes and navigation.