The ICAO phonetic alphabet is used worldwide and is based on English. It consists of 26 words, each corresponding to a letter of the alphabet. The words are Alpha, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India, Juliet, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo, Sierra, Tango, Uniform, Victor, Whiskey, X-ray, Yankee, and Zulu.
The words were chosen for the phonetic alphabet because they are easy to pronounce and have distinct sounds that are unlikely to be confused with other words. The words were also chosen to be easily understood by speakers of different languages, as English is widely spoken in the aviation industry.
Using the ICAO Phonetic Alphabet ensures clear, precise and accurate communication. It's a way to avoid confusion and misunderstandings, which can be critical in aviation. This is why using it on all international and domestic flights is mandatory.
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