- HYDROLANTS: Warnings For Pacific And Indian Oceans.
- HYDROPACS: Atlantic And Mediterranean Sea.
Section 4: Ammendments To Sailing Directions
Updates to all sailing directions are given under section 4, those enforced at the end of year are reprinted in The Annual Summary Of Admiralty Notices to mariners part 2 , NP 274 (2)
SECTION 5: Ammendments To Admiralty List Of Lights And Fog Signals.
Updates of all list of lights are given in section 5 and may be published in an earlier editions than the chart updating notices.
- Astersk mark (*) indicates change in light.
- Astersk mark (*) in all column of light indicates new light
SECTION 6: Ammendments To Admiralty List Of Radio Signals
Updates to all the radio signals are given in section 6 .
Updates should be cut out and pasted into the appropriate volumes.
SECTION 7: Miscellaneous Publication Updates
Miscellaneous Publication Includes:
