Ch. 3 Flashcards
T or F A tug being used for ship work can only be used to move a ship’s bow or stern laterally.
False
You are docking a ship using 2 tugs. You have the quarter tug stand off until just before the ship enters the slip. Give two reasons for this.
The after tug acts as a drag, reducing the effectiveness of the rudder.
The stern tug tends to set the stern away from the side which she is made fast.
T or F A bow thruster used correctly will have the same effects on the ship as a tug made fast on the ships bow.
False
T or F A tug’s lines don’t have to be heaved up tightly, when she is lashed up alongside to work, if she has good leads for both spring and head lines.
False
What is the whistle signal for increase to full power?
series of short blasts
What is the whistle signal for tug dismissed . Let go
One long and two short blasts
If working, stop
One blast
if pushing increase power
series of short rapid blasts
come ahead dead slow
one long blast
back the tug normal power
two blasts
if stopped come ahead
one blast
if backing increase power
series of short or rapid blasts
not a tug signal
three blasts