6. WATCH OFFICER'S GUIDE Flashcards
reference
Ch 6: Shiphandling, pg 96‐123
Ch 7: Safe Navigation, pg 124‐143
define advance
the distance gained in the direction of the original course from the time the rudder is put over
define transfer
the distance gained in a direction perpendicular to that of the original course from the time the rudder is put over
define tactical diameter
the distance made goo in a direction perpendicular to that of the original course form the time the rudder is put over until the ship is on a reverse heading
define standard rudder
gives the ship a standard tactical diameter
any increase in speed makes the turning circle ___
larger
at speed approaching bare steerage was, a decree in speed result in a larger ___
turning circle
what instruent is used for close formations?
stadimeter
list MOB options
anderson, wiliamson, race rack and Y-backing
large ships tend to use ___ for MOB
williamson
key number for a williamson?
60 degreees
best speed for RAS
8 to 15 kts
delivery ship indicates preps
Romeo at the dip
receiving ship ready
romeo a the dip
receiving ship ready for approach
hoist romeo
coming alongside RAS
receiving ship hoists romeo
3 min rule
a ship will cover in 3 min a distance equal to speed time 100. 15 kts equal 1500 yds
radian rule
for every degree difference in bearing divided by 60 times range equals horizontal separations
a contact 3 degrees off bow at 2 miles:
3/60x4000=200 yds
rule for stopping the ship
to stop the ship in one length at 5 kts, back 2/3
2 lengths at 10 kts, back full
six rules of dr
hour course speed fix LOP from each fix or running fix
