| Abbreviation | Definition |
|---|---|
| SNAU | Aracaju Aeroclub, Brazil |
| SNB | Snake Bay, Northern Territory, Australia |
| SNBC | Barra do Corda, Brazil |
| SNBF | Senhor Do Bonfim, Brazil |
| SNBG | Baixo Guandu, Brazil |
| SNBI | Bacabal, Brazil |
| SNBJ | Belo Jardim, Brazil |
| SNBK | Bocaiuva, Brazil |
| SNBL | Belmonte, Brazil |
| SNBO | Boquira, Brazil |
| SNBR | Barreiras, Brazil |
| SNBS | Balsas, Brazil |
| SNBT | Benedito Leite, Brazil |
| SNBW | Baiao, Brazil |
| SNBX | Barra, Brazil |
| SNC | Chester Airport, Chester, Connecticut USA |
| SNC | former code for Salinas, Ecuador |
| SND | Seno, Laos |
| SNE | Sao Nicolau, Cape Verde Islands |
| SNF | San Felipe, Venezuela |