Step 1 : Introduction to the question "3. If A = Alpha, B = Bravo and C = Charlie, then what is D?"
...1. Dixie 2. Davey 3. Daniel 4. Delta Pilots, when communicating with air traffic controllers, or vise versa, will adhere to a phonetic alphabet system to make sure what is said is understood. For example, if a plane is registered as N123YZ a controller would refer to the plane as "November-1-2-3-Yankee-Zulu."
