Mode S
| ondervragingscode
| mode S | |
| commun. transp. avia. | Modus S |
| ondervragingscode | |
| commun. transp. avia. | Abfragecode |
| |||
| Modus S | |||
|
Mode S : 8 phrases in 2 subjects |
| Communications | 7 |
| Transport | 1 |