JOURNAL OF THE INTERNATIONAL FEDERATION OF AIR TRAFFIC CONiTROLl!.ERS'ASSOCIATIONS
1/81
In this Issue: SIMCAT Air Traffic Control Training Air Traffic Services in Africa
BERN. SWITZERLAND
1st QUARTER 1981
VOLUME 20
SFrs 5.-
)
JOURNAL OF THE INTERNATIONAL FEDERATION OF AIR TRAFFIC CONiTROLl!.ERS'ASSOCIATIONS
1/81
In this Issue: SIMCAT Air Traffic Control Training Air Traffic Services in Africa
BERN. SWITZERLAND
1st QUARTER 1981
VOLUME 20
SFrs 5.-
)