Board- Navigation Flashcards
Advance
The time you start to turn until you are on your new course
Transfer
The distance traveled from the course to the end of the turn lateral (sideways)
Magnetic Bearing
Directions based on the direction of the magnetic north
Set and Drift
Set is the direction that the current is pushing the ship.
Your drift is the speed that you are being pushed at
Time Zones
25 time zones
A-Z with exceptions of J
Fathometer
Determines the depth of the water beneath the keel of the ship DAGR
DNC
Digital Nautical Chart
VMS
Voyage Management System
Primary source of navigation through use of real time DNC
Distress Signals
Red star shells Fog horn continuously sounding Flames on vessel Wave arms Gun fired at 1 minute intervals Morse code (SOS) Mayday on radio Flags- November, Charlie Dye Marker( any color) Position Indicating Beacon Digital selective calling Smoke In inland water white light flashing 50-70 times a minute
Vessel at anchor
Shapes- Ball
Vessel not under command
Day Shapes- Ball,Ball
Lights- All round white light
Restricted in ability to maneuver
Shapes- Ball diamond Ball
Lights- 3 all round lights (red, white, red)
Vessel aground
Shape- Ball, ball, ball
Lights- 2 all round red lights
Constrained by draft
Shape- cylinder
Lights- 3 all round red lights
Refueling/ Ammunition handling
Bravo (red swallowed-tailed)
Senior Officer Present Affloat
SOPA (white and green pennant)
Personnel recall
Papa (white and blue)
Boat recall
Quebec (yellow)