| Abbreviation | Definition |
|---|---|
| SNH | Stanthorpe, Queensland, Australia |
| SNI | Sinoe, Liberia |
| SNJ | San Julian, Cuba |
| SNJO | Joao Pessoa Aeroclub, Brazil |
| SNK | Snyder, Texas USA |
| SNL | Shawnee, Oklahoma USA |
| SNM | San Ignacio De Moxos, Bolivia |
| SNN | Shannon, Republic of Ireland |
| SNO | Sakon Nakhon, Thailand |
| SNP | St. Paul Island, Alaska USA |
| SNQ | San Quintin, Mexico |
| SNS | Salinas, California USA |
| SNT | Sabana De Torres, Colombia |
| SNUC | Acu, Brazil |
| SNV | Santa Elena, Venezuela |
| SNW | Thandwe, Burma (Myanmar) |
| SNX | Sabana De La Mar, Dominican Republic |
| SNY | Sidney Municipal Airport, Sidney, Nebraska USA |
| SOC | Solo City, Indonesia |
| SOCA | Cayenne Rochambeau, French Guyana |