Bảng chữ cái ngữ âm NATO
Lịch sử > Hàng không quốc tế

Bảng chữ cái chính tả Điện Thoại Vô Tuyến được Tổ chức hàng không dân dụng quốc tế sử dụng cho phương thức liên lạc máy bay quốc tế.
| Letter | 1932 General Radiocommunication and Additional Regulations (CCIR/ICAN) | 1946 ICAO Second Session of the Communications Division (same as Joint Army/Navy) | 1947 ICAO (same as 1943 US-UK)   | 1947 ICAO alphabet (adopted exactly from ARRL | 1947 ICAO Latin America/Caribbean | 1947 IATA proposal to ICAO | 1949 ICAO code words | 1951 ICAO code words | 1956 – present ICAO code words |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| A | Amsterdam | Able | ABLE | ADAM | ANA | ALPHA | Alfa | Alfa | Alfa |
| B | Baltimore | Baker | BAKER | BAKER | BRAZIL | BETA | Beta | Bravo | Bravo |
| C | Casablanca | Charlie | CHARLIE | CHARLIE | COCO | CHARLIE | Coca | Coca | Charlie |
| D | Danemark | Dog | DOG | DAVID | DADO | DELTA | Delta | Delta | Delta |
| E | Edison | Easy | EASY | EDWARD | ELSA | EDWARD | Echo | Echo | Echo |
| F | Florida | Fox | FOX | FREDDIE | FIESTA | FOX | Foxtrot | Foxtrot | Foxtrot |
| G | Gallipoli | George | GEORGE | GEORGE | GATO | GRAMMA | Golf | Gold | Golf |
| H | Havana | How | HOW | HARRY | HOMBRE | HAVANA | Hotel | Hotel | Hotel |
| I | Italia | Item | ITEM | IDA | INDIA | ITALY | India | India | India |
| J | Jérusalem | Jig | JIG | JOHN | JULIO | JUPITER | Julietta | Juliett | Juliett |
| K | Kilogramme | King | KING | KING | KILO | KILO | Kilo | Kilo | Kilo |
| L | Liverpool | Love | LOVE | LEWIS | LUIS | LITER | Lima | Lima | Lima |
| M | Madagascar | Mike | MIKE | MARY | MAMA | MAESTRO | Metro | Metro | Mike |
| N | New York | Nan (later Nickel) | NAN | NANCY | NORMA | NORMA | Nectar | Nectar | November |
| O | Oslo | Oboe | OBOE | OTTO | OPERA | OPERA | Oscar | Oscar | Oscar |
| P | Paris | Peter | PETER | PETER | PERU | PERU | Polka | Papa | Papa |
| Q | Québec | Queen | QUEEN | QUEEN | QUEBEC | QUEBEC | Quebec | Quebec | Quebec |
| R | Roma | Roger | ROGER | ROBERT | ROSA | ROGER | Romeo | Romeo | Romeo |
| S | Santiago | Sail/Sugar | SUGAR | SUSAN | SARA | SANTA | Sierra | Sierra | Sierra |
| T | Tripoli | Tare | TARE | THOMAS | TOMAS | THOMAS | Tango | Tango | Tango |
| U | Upsala | Uncle | UNCLE | UNION | URUGUAY | URSULA | Union | Union | Uniform |
| V | Valencia | Victor | VICTOR | VICTOR | VICTOR | VICTOR | Victor | Victor | Victor |
| W | Washington | William | WILLIAM | WILLIAM | WHISKEY | WHISKEY | Whiskey | Whiskey | Whisky |
| X | Xanthippe | X-ray | XRAY | X-RAY | EQUIS | X-RAY | X-RAY | eXtra | X-ray |
| Y | Yokohama | Yoke | YOKE | YOUNG | YOLANDA | YORK | Yankey | Yankee | Yankee |
| Z | Zürich | Zebra | ZEBRA | ZEBRA | ZETA | ? | Zebra | Zulu | Zulu |
| 0 |  | Zero | Zero |  |  |  |  |  | Zero |
| 1 |  | One | Wun |  |  |  |  |  | One |
| 2 |  | Two | Too |  |  |  |  |  | Two |
| 3 |  | Three | Thuh-ree |  |  |  |  |  | Three |
| 4 |  | Four | Fo-wer |  |  |  |  |  | Four |
| 5 |  | Five | Fi-yiv |  |  |  |  |  | Five |
| 6 |  | Six | Six |  |  |  |  |  | Six |
| 7 |  | Seven | Seven |  |  |  |  |  | Seven |
| 8 |  | Eight | Ate |  |  |  |  |  | Eight |
| 9 |  | Nine | Niner |  |  |  |  |  | Niner |
| . |  |  |  |  |  |  |  |  | Decimal |
| 100 |  |  |  |  |  |  |  |  | Hundred |
| 1000 |  |  |  |  |  |  |  |  | Thousand |