Division 4.1 General structure

An NtS message consists of the following sections:

1. (a)

   identification section;

2. (b)

   section defining the applicable object(s) or fairway section(s) the message is related to;

3. (c)

   limitation(s) for a fairway and traffic related message, measurement(s) for a water related message, ice condition(s) for an ice related message or weather report(s) for a weather related message.