Part 1 contains details of radiotelephone, radiotelegraph, and radioteleprinter transmissions. Arranged by regions with countries listed in alphabetical order within the regions. Listings consist of the station name followed by the radio call sign, broadcast times, radio frequencies, class of emission, power, content and language. Part 2 contains details of radiofacsimile transmissions and is a reprint of the most current Worldwide Marine Radiofacsimile Broadcast Schedules. Contains maps.

Mariners Weather Log contains articles, news and information about marine weather events and phenomenon, storms at sea, weather forecasting, the NWS Voluntary Observing Ship (VOS) Program, Port Meteorological Officers (PMOs), cooperating ships officers, and their vessels. It provides meteorological information to the maritime community, and contains a comprehensive chronicle on marine weather. It recognizes ships officers for their efforts as voluntary weather observers, and allows NWS to maintain contact with and communicate with over 10,000 shipboard observers (ships officers) in the merchant marine, NOAA Corps, Coast Guard, Navy, etc.

Radio Navigational Aids (Pub 117) contains a detailed list of selected worldwide radio stations that provide services to the mariner. The publication is divided into chapters according to the nature of the service provided by the radio stations. The services include RDF and Radar Stations; stations broadcasting navigational warnings, time signals or medical advice; communication traffic for distress, emergency and safety including GMDSS; and long range navigational aids. It also contains chapters describing procedures of the AMVER system, and the interim emergency procedures and communication instructions to be followed by U.S. merchant vessels in times of crisis.