Visual Communications/ Others Flashcards
Discuss the following methods of visual communications:
Flags, pennants, dayshapes
Flown from the ships halyards (lines) on the 0-10 level to indicate the ship is engaged in a specific action.
Discuss the following methods of visual communications:
Flashing light
Flashing light using morse code.
We have handhald lights as well as 12” searchlights
Discuss the following methods of visual communications:
Flares/Pyrotechnics
for ships, red flares are used to indicate distress
Discuss the following methods of visual communications:
Nancy/AN-SAT lights
Flashing light using morse code
infrared lights that require NVG’s to see
Falling Barometric Pressure
Usually an indicator that bad weather is in bound.
Adverse weather warning message
Ultimately the CO’s call to divert to identified safety or to proceed along track.
Explain the Purpose of the Following Equipment.
Psychrometer:
Used for determining atmospheric humidity
Explain the Purpose of the Following Equipment.
Barometer:
An instrument for measuring atmospheric pressure.
Explain the Purpose of the Following Equipment.
Telltale Panel:
Control the ships underway navigation lights
Explain the Purpose of the Following Equipment.
Communication Circuits:
3 CIRCUITS
a. JW circuits are used for bearing taking
b. JX circuits are used for battle
c. JL circuits are used for lookouts
control the ships underway navigation lights
Lights on the Telltale panel
a. Masthead light
b. FWD Range light
c. Port Running light
d. Stbd Running light
e. Stern light
Discuss the Functions of Voyage Management System
Uses electronic charts and sensors to maintain situational awareness and safe navigation.
WE HAVE NAVY ECDIS!
UNREP flag hoist signals:
a. Gulf
Guide ship
UNREP flag hoist signals:
c. Romeo close up
Delivery ship is ready for approach/receiving ship is commencing approach
UNREP flag hoist signals:
b. Romeo at the dip
Delivery ship is preparing to take you alongside/ receiving ship is ready to come alongside
UNREP flag hoist signals:
d. Romeo hauled down
Messenger is in hand
Define the following:
a. Swing Circle
A circle used by the Navigator and QM’s to determine if the ships planned anchorage position is safe.
UNREP flag hoist signals:
f. Prep close up
Replenishment complete. Disengaging on final station
UNREP flag hoist signals:
e. Prep at the dip
Receiving ship expects to disengage in 15 min
UNREP flag hoist signals:
i. Bravo close up
Transferring or receiving dangerous cargo/fuel
UNREP flag hoist signals:
j. Bravo hauled down
Transferring or receiving dangerous cargo/fuel complete.
UNREP flag hoist signals:
g. Prep hauled down
All lines clear
UNREP flag hoist signals:
h. Bravo at the dip
Temporarily cease pumping fuel or transferring dangerous cargo
Define the following:
b. Drag Circle
A circle used by the QM’s to help determine if the ship is dragging anchor.
