ESWS NAVIGATION

Question 1

Who is the Navigator and what is his responsibility?

Answer 1

CDR CONLAN

• to receive all orders relating to navigational duties directly from the CO.

Question 2

Who is the ANAV and what is his responsibility?

Answer 2

LCD WHELAN

• assist the Navigator in all aspect of navigation, piloting and administration of navigation.

Question 3

What is Navigation’s mission?

Answer 3

To safely navigate the ship through inland and international waters.

Question 4

What are the 4 Primary areas of Navigation?

Answer 4

• Piloting
• Electronic Navigation
• Celestial Navigation
• DR

Question 5

How many feet are in 1 Nautical Mile?

Answer 5

6,076.1 ft

Question 6

What is the Deck Log Instruction?

Answer 6

OPNAVINST 3100.7C

Question 7

How long are Deck Logs kept onboard?

Answer 7

12 months

Question 8

By when do the deck logs have to be mailed by?

Answer 8

10th of every month

Question 9

Where does the deck logs get mailed to?

Answer 9

Naval History and Heritage Command in Washington, DC

Question 10

What is Navigation’s primary Fix source?

Answer 10

GPS

Question 11

What does GPS stand for?

Answer 11

Global Positioning System

Question 12

What does VMS stand for?

Answer 12

Voyage Management System

Question 13

What does DR stand for?

Answer 13

Dead Reckoning.

Question 14

Why is DR important?

Answer 14

Helps identify any potential hazards that the ship may encounter

Question 15

What are the 6 rules of DR?

Answer 15

Every Course Change
• Every Speed Change
• Every L.O.P
• Every Running Fix
• Every Hour
• Plot Label Draw

Question 16

What program does quartermaster use to compute sunrise and sunset?

Answer 16

STELLA

Question 17

What does STELLA stand for?

Answer 17

System to Estimate Latitude and Longitude Astronomically

Question 18

What does L.O.P stand for?

Answer 18

Line of Position

Question 19

Define Set and Drift

Answer 19

⁃ Set: The direction the ship is being pushed off course

⁃ Drift: The speed the ship is being pushed off course in knots.

Question 20

Define Shoal Water?

Answer 20

Water that is too shallow for the ship

Question 21

What is CVN 77’s safety depth?

Answer 21

50ft

Question 22

What is drag circle?

Answer 22

The hawspipe to pelorus plus length of chain

Question 23

What is swing circle?

Answer 23

Length of ship plus length of chain

Question 24

What is the length of the ship?

Answer 24

1104ft 9in

Question 25

What are the Rules of the Road?

Answer 25

A manual used to determine how to safely navigate through inland and international waters

Question 26

Who publishes the Rules of the Road?

Answer 26

The Coast Guard

Question 27

What is the ship's call sign?

Answer 27

NGHW

Question 28

What is Chart 1?

Answer 28

A publication containing all symbols found on charts

Question 29

What is NTP 13B?

Answer 29

Honors and Ceremonies

Question 30

What is Pub 150?

Answer 30

World Port Index

Question 31

What is Pub 151?

Answer 31

Distance Between Ports

Question 32

Name the Arc of Visibility for the following lights

Answer 32

⁃ Masthead light: 225 degrees ⁃ Port and starboard running lights: 112.5 degrees each ⁃ Stern light: 135 degrees (NOTE: The total of the masthead light and the stern light=360°)

Question 33

Define DIW

Answer 33

Dead in the Water. No means of propulsion

Question 34

What does SOPA mean?

Answer 34

Senior Officer Present Afloat. When two ships are moored to the same pier, SOPA is determined by who has the most senior officer embarked.

Question 35

Define Lines of Latitude

Answer 35

Lines of parallels that run East to West and are measured North to South (0-90 degrees)

Question 36

What is the reference line for all lines of latitude?

Answer 36

The Equator

Question 37

Define lines of Longitude

Answer 37

Lines of Meridians that run North to South and are measured East to West (0-180 degrees)

Question 38

What is the reference line for all lines of Longitude?

Answer 38

The Prime Meridian

Question 39

Name the stations for QM's during Sea and Anchor

Answer 39

- Nav Evaluator - Responsible for making course change recommendations to the Conning Officer to keep the ship on its Plan of Intended Movement (PIM) track based off information given by the Nav Plotter • Nav Plotter - Plots the ship's position based off bearings given to the Bearing Book
Recorder • Bearing Book Recorder - Records bearings received from the Bearing Takers • Bearing Taker - Uses a telescopic alidade to get true bearing from aids to navigation • Deck Log Recorder - Responsible for recording every occurrence during sea and anchor detail including set and drift every three minutes • Signal Bridge Personnel - Responsible for all flag hoist during sea and anchor