9 years ago Comment at What is a tidal diamond what is its use ? Tidal diamond is a symbol used on chart whch indicates by means of its reference in a table provided on chart;d set n drift of current at a particular time...basically so n so hrs before high ...
9 years ago Comment at Limitations on ecdis ? also...
failure to update charts
hardware failure
software failure
datum shift
Imp. alarms nt set..
over reliance on ecdis
Input from various equipmnts like gyro gps etc nt proper.. ...
9 years ago Comment at Leading lights ? dis is a type of light signal used basically in narrow channels and followed by vsl to keep herslf on a track so as to avoid groundin...basically it is very hlpful in coastal navigation... ...
9 years ago Comment at What is long by chron ? it is one of d method for obtainin fix by usin celestial objects..long by chron basially provides observed long of d fix whch is PL for d fix obtained... ...
9 years ago Comment at How is turning circle helpful to you ? it provides d maneuvering characteristics of d vsl in prevailin circumstnces n condition...n hlps OOW in taking timely action to avoid collision n strandin ...
