Flight information service provided to enroute flights shall include the provision of information concerning:

  1. weather conditions reported or forecast at departure, destination and alternate aerodromes
  2. in addition, flight information service to VFR flights shall include the provision of available information concerning traffic and weather condisiont along the route of flight that are likely to make operation under the visual flight rules impracticable
  3. collision hazards, to aircraft operating in airspace Classes C, D, E, F and G

Where air traffic service units provide both flight information service and air traffic control service, the provision of air traffic control service shall have precedence over the provision of flight information service whenever the provision of air traffic control service so requires.