| Letter | Code word | Conflicting accounts of the pronunciation | ||||||
|---|---|---|---|---|---|---|---|---|
| US Army standard[10] | ICAO[9] and ITU Roman standard[11] | FAA standards[12][13] | ICAO IPA standard[9] | SIO[14] (France) | ICAO recording (1955)[7] | Consolidated transcription | ||
| A | Alfa ATIS: Alpha | AL fah | AL FAH | ALFAH or AL-FAH | ˈælfɑ | al fah | [ˈælfʌ] | /ˈælfɑː/ AL-fah | 
| B | Bravo | BRAH voh | BRAH VOH (1955: BRAH VOH) | BRAHVOH or BRAH-VO | [ˈbrɑːˈvo] | bra vo | [brɑˈvoʊ] | /ˈbrɑːvoʊ/ BRAH-voh | 
| C | Charlie | CHAR lee | CHAR LEE | CHARLEE or CHAR-LEE | ˈtʃɑːli  or ˈʃɑːli | tchah li, char li | [ˈtʃɑ˞li], [ˈʃɑ˞li] | /ˈtʃɑrliː/ CHAR-lee or /ˈʃɑrliː/ SHAR-lee | 
| D | Delta | DEL tah | DELL TAH | DELLTAH or DELL-TAH | ˈdeltɑ | del tah | [ˈdɛltʌ] | /ˈdɛltɑː/ DEL-tah | 
| E | Echo | EKK oh | ECK OH | ECKOH or ECK-OH | ˈeko | èk o | [ˈɛkoʊ] | /ˈɛkoʊ/ EK-oh | 
| F | Foxtrot | FOKS trot | FOKS TROT | FOKSTROT or FOKS-TROT | ˈfɔkstrɔt | fox trott | [ˈfɑkstrɑt] | /ˈfɒkstrɒt/ FOKS-trot | 
| G | Golf | Golf | GOLF | GOLF | ɡʌlf [sic] | golf | [ˈɡʌl(f)] | /ˈɡɒlf/ GOLF | 
| H | Hotel | HO tell | HOH TELL | HOHTELL or HOH-TELL | hoːˈtel | ho tèll | [hoʊˈtɛl] | /hoʊˈtɛl/ hoh-TEL | 
| I | India | IN dee ah | IN DEE AH | INDEE AH or IN-DEE-AH | ˈindiˑɑ | in di ah | [ˈɪndi.ʌ] | /ˈɪndiːɑː/ IN-dee-ah | 
| J | Juliett ATIS: Juliet | JEW lee ett | JEW LEE ETT | JEWLEE ETT or JEW-LEE-ETT | ˈdʒuːliˑˈet | djou li ètt | [ˌdʒuliˈɛt] | /ˈdʒuːliːɛt/ JEW-lee-et or /ˌdʒuːliːˈɛt/ JEW-lee-ET | 
| K | Kilo | KEY loh | KEY LOH | KEYLOH or KEY-LOH | ˈkiːlo | ki lo | [ˈkiloʊ] | /ˈkiːloʊ/ KEE-loh | 
| L | Lima | LEE mah | LEE MAH | LEEMAH or LEE-MAH | ˈliːmɑ | li mah | [ˈlimʌ] | /ˈliːmɑː/ LEE-mah | 
| M | Mike | Mike | MIKE | MIKE | mɑik | maïk | [ˈmʌɪk] | /ˈmaɪk/ MYK | 
| N | November | NOH vem ber | NO VEM BER | NOVEMBER or NO-VEM-BER | noˈvembə | no vèmm ber | [noʊˈvɛmbɹ̩] | /noʊˈvɛmbər/ noh-VEM-bər[15] | 
| O | Oscar | OSS car | OSS CAH | OSSCAH or OSS-CAH | ˈɔskɑ | oss kar | [ˈɑskɹ̩] | /ˈɒskɑː/ OS-kah | 
| P | Papa | PAH pah | PAH PAH | PAHPAH or PAH-PAH | pəˈpɑ | pah pah | [pəˈpɑ] | /pɑːˈpɑː/ pah-PAH | 
| Q | Quebec | keh BECK | KEH BECK | KEHBECK or KEH-BECK | keˈbek | ké bèk | [kɛˈbɛk] | /kɛˈbɛk/ ke-BEK | 
| R | Romeo | ROW me oh | ROW ME OH | ROWME OH or ROW-ME-OH | ˈroːmiˑo | ro mi o | [ˈɹoʊmi.oʊ] | /ˈroʊmiːoʊ/ ROH-mee-oh | 
| S | Sierra | see AIR ah | SEE AIR RAH | SEEAIRAH or SEE-AIR-AH | siˈerɑ | si èr rah | [siˈɛɾʌ] | /siːˈɛrɑː/ see-ERR-ah | 
| T | Tango | TANG go | TANG GO | TANGGO or TANG-GO | ˈtænɡo | tang go | [ˈtæŋɡoʊ] | /ˈtæŋɡoʊ/ TANG-goh | 
| U | Uniform | YOU nee form | YOU NEE FORM or OO NEE FORM | YOUNEE FORM or YOU-NEE-FORM or OO-NEE-FORM | ˈjuːnifɔːm  or ˈuːnifɔrm | you ni form, ou ni form | [ˈjunɪ̈fɔ˞m], [ˈunɪ̈fɔ˞m] | /ˈjuːniːfɔrm/ EW-nee-form or /ˈuːniːfɔrm/ OO-nee-form | 
| V | Victor | VIK ter | VIK TAH | VIKTAH or VIK-TAH | ˈviktɑ | vik tar | [ˈvɪktəɹ] | /ˈvɪktɑː/ VIK-tah | 
| W | Whiskey | WISS key | WISS KEY | WISSKEY or WISS-KEY | ˈwiski | ouiss ki | [ˈwɪski] | /ˈwɪskiː/ WIS-kee | 
| X | X-ray or Xray | EKS ray | ECKS RAY | ECKSRAY  [sic] or ECKS-RAY | ˈeksˈrei | èkss ré | [ˈɛksɹeɪ] | /ˈɛksreɪ/ EKS-ray or /ˌɛksˈreɪ/ EKS-RAY | 
| Y | Yankee | YANG kee | YANG KEY | YANGKEY  [sic] or YANG-KEY | ˈjænki | yang ki | [ˈjæŋki] | /ˈjæŋkiː/ YANG-kee | 
| Z | Zulu | ZOO loo | ZOO LOO | ZOOLOO or ZOO-LOO | ˈzuːluː | zou lou | [ˈzulu] | /ˈzuːluː/ ZOO-loo | 
| - (hyphen) | Dash | /ˈdæʃ/ DASH | ||||||