| Letter | Code | % Correct |
|---|---|---|
| A | Alfa | 98%
|
| B | Bravo | 90%
|
| C | Charlie | 88%
|
| D | Delta | 88%
|
| F | Foxtrot | 78%
|
| E | Echo | 74%
|
| T | Tango | 66%
|
| X | Xray | 63%
|
| H | Hotel | 61%
|
| I | India | 61%
|
| L | Lima | 61%
|
| Z | Zulu | 61%
|
| K | Kilo | 58%
|
| G | Golf | 57%
|
| R | Romeo | 56%
|
| J | Juliett | 55%
|
| W | Whiskey | 53%
|
| S | Sierra | 52%
|
| O | Oscar | 51%
|
| Y | Yankee | 50%
|
| M | Mike | 49%
|
| N | November | 49%
|
| Q | Quebec | 49%
|
| P | Papa | 48%
|
| V | Victor | 48%
|
| U | Uniform | 46%
|