Mod S
| operator
| mod S | |
| commun. transp. avia. | Mode Select; Mode S |
| operator | |
| IT dat.proc. engl. | operator |
| med. | operator gene |
| operatör | |
| comp., MS | carrier |
| comp., net. | access provider |
| el. | facilities-based carrier |
| IT | administration |
| lab.law. | human operator |
| transp. avia. | air operator; operator |
| |||
| Mode Select; Mode S | |||
|
Mod S : 8 phrases in 2 subjects |
| Communications | 6 |
| Transport | 2 |