National Traffic System
¢
Formal messages
¢
Four priorities (Emergency, Priority,
Health and Welfare, Routine)
¢
Strict operating procedures
¢
Casual conversation may be allowed
at NCS discretion
Key FSD numbers:
FSD 3 contains the ARL shortcuts
FSD 218 contains the instructions for filling in a NTS Radiogram including HX codes and Q signals
FSD 220 contains the RST system and time conversion chart
