Regulations last checked for updates: Jun 13, 2025

Title 49 - Transportation last revised: Jun 06, 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.