The International Radiotelephony Spelling Alphabet, also known as the NATO phonetic alphabet or ICAO (International Civil Aviation Organization) phonetic alphabet is a set of words used to represent the letters of the English alphabet in radio communications.

The codewords are used by pilots, air traffic controllers, and other military and aviation personnel. They are also commonly used by sailors and other marine personnel in maritime radio communication.

Learn the ICAO Phonetic Alphabet:
- improve your communication skills in the aviation and maritime industry,
- comply with industry standards and regulations,
- improve understanding in noisy environments,
- it can be helpful for those who communicate with people from different countries.

Learning the Phonetic Alphabet using your iPad, iPhone or Apple Watch is easy:
- swipe the cards horizontally (on iPad/iPhone) or vertically (on Apple Watch) to browse letter cards,
- tap the card to reveal the codeword corresponding to the letter and listen to the pronounciation,
- long press the card to open the settings panel and adjust the application to your needs.

Have fun learning!