Regulations last checked for updates: Mar 28, 2026

Title 49 - Transportation last revised: Mar 23, 2026
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.