Navigational warnings are published according to().
A、the designed area
B、the designated area
C、the indicated area
D、all area over the world
A、the designed area
B、the designated area
C、the indicated area
D、all area over the world
A、The topics for warnings included in HYDROLANTS,HYDROPACS,and NAVAREA warnings are the same B、NAVAREA warnings concern only coastal navigation and inland navigation in large bays or sounds such as Puget Sound C、The United States is responsible for NAVAREA warnings in the North Atlantic north of 7°N,and west of 15°W D、Long range radio navigational warnings are usually broadcast by radiotelephone,radiotelegraph,and radio-teletypewriter
A、meteorological warnings B、navigational warnings C、search and rescue information D、meteorological forecast
A、Navigational broadcast B、weather forecast C、Urgency message D、Maritime Safety Information
A、Navigational Warnings B、Meteorological Warnings C、Search and Rescue Information D、All of the above
A、A.Navigational warnings B、B.Weather warnings C、C.SAR and distress alert information D、D.All of the above