The flashcards below were created by user
CVN68
on FreezingBlue Flashcards.
-
What is latitude?
Lines running north to south from the equators
-
What is longitude?
Lines running east to west from Greenwich meridian
-
Define true bearing
True north that an object is from the ship
-
What's does GPS stand for?
Global Positioning System
-
Where is Nimitz pivot point?
Between the island and the forward JBDs
-
What is a stadimeter?
Used to compute distance to an object if objects height is known
-
What is a sextant?
Used to measure angles between 2 objects
-
What is a Fathometer? Where is it located?
- Used to compute the distance from the bottom of the keel to the ocean floor
- Located in the chart room 09 lvl
-
What is dead reckoning?
Means of estimating your future position based on current course and speeds without regards to set and drift
-
What are the 6 bridge watch standers and their responsibilities?
- OOD - safety of the ship and crew
- Conning officer - assistant to OOD, orders course and speed
- BMOW - assistant to the OOD, carries out the ships plan of the day
- QMOW - representative of the navigator underway, assistant to the OOD and responsible for safe navigation
- Helmsman - steers the ship
- Lee helmsman - controls speed of the ship
-
What 3 ways can signalman communicate by visually?
- Flag hoist
- Flashing lights
- Semaphore
-
Who wears a yellow hat in the pilot house?
OOD
-
What does VMS stand for?
Voyage management system
-
What does LOP stand for and what is it?
- Line of position
- Bearing or range to an object
-
What is set?
Direction the ship is being pushed by an outside force
-
What is DIW?
Dead in water
-
What is a chronometer? Where is it located?
- Navigational time piece
- 3 of them are located in the chart room 09 lvl
-
What is drift?
Amount of force measured in knots at which the ship is being set
-
What does ECDIS stand for?
Electronic chart display and information system
-
What is advance an transfer?
- Advance - the distance gained in the ships original direction after the rudder is put over
- Transfer - the distance gained at right angles after the udder is put over
-
What is the pivot point?
The point on the ship at which it turns
-
What is a fix?
3 or more LOPs which pinpoint a ships position
-
What is relative bearing?
LOP to an object in relation to the ship (bow = 0 degree mark)
-
What are two ways to attain a ships position? Which is primary?
- Electronically
- Visually - primary
-
Define head on
2 ships heading towards each other bow to bow
-
Define crossing
When one vessel crosses the bow of another at a perpendicular angle
-
Define overtaking?
Coming up on another vessel from a direction more than 22.5 degrees abaft her beam
-
Define stand on
Stand on vessel will maintain their course and speed
-
Define give way
The give way vessel will alter their course and speed
-
What is a telescopic alidade?
Navigational tool used by bearing takers to give visual LOPs to an object
-
What is a PMP?
- Parallel motion protractor
- A navigational drafting tool used to draw courses and LOPs
-
What is the gyrocompass?
A compass that gives true north heading
-
What is GMT?
Greenwich mean time (Zulu +/- 0)
|
|