Regulations last checked for updates: Jan 30, 2025

Title 49 - Transportation last revised: Jan 27, 2025
Appendix Appendix A - Appendix A to Part 220—Recommended Phonetic Alphabet
A—ALFA B—BRAVO C—CHARLIE D—DELTA E—ECHO F—FOXTROT G—GOLF H—HOTEL I—INDIA J—JULIET K—KILO L—LIMA M—MIKE N—NOVEMBER O—OSCAR P—PAPA Q—QUEBEC R—ROMEO S—SIERRA T—TANGO U—UNIFORM V—VICTOR W—WHISKEY X—XRAY Y—YANKEE Z—ZULU

The letter “ZULU” should be written as “Z” to distinguish it from the numeral “2”.

source: 63 FR 47195, Sept. 4, 1998, unless otherwise noted.