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Method
Letters A–Z map to the current ICAO radiotelephony spelling words. A slash separates source words. Reverse mode accepts exact supported words case-insensitively and rejects unsupported tokens rather than guessing.
Worked example
CHAT becomes Charlie Hotel Alfa Tango. In reverse mode, those four exact words return CHAT.
Limitations
This is a spelling-alphabet reference and translator, not aviation procedure or radio-operating guidance. Digits are not translated in this version.
Privacy and text handling
Processing is deterministic and browser-local. ASCII letter rules are explicit. Unsupported Unicode text passes through unchanged where the selected method permits it.
Authoritative spelling words
Alfa · Bravo · Charlie · Delta · Echo · Foxtrot · Golf · Hotel · India · Juliett · Kilo · Lima · Mike · November · Oscar · Papa · Quebec · Romeo · Sierra · Tango · Uniform · Victor · Whiskey · X-ray · Yankee · Zulu.
Reviewed October 5, 2026 against ICAO Annex 10, Volume II, Figure 5-1. The official spellings include Alfa and Juliett.
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