ESWS NAV

Question 1

List the navigation equipment:
C
S
S
G
M
F
G
D
V

Answer 1

Chart
Sextant
Stadimeter
Gyrocompass
Magnetic compass
Fathometer
Global Position System (GPS)
Digital Nautical Chart (DNC)
Voyage Management System (VMS)

Question 2

List the 7 Standard Bridge Watch Stations:

O
C
B
H
L
L
Q

Answer 2

OOD
Conning Officer
Boatswains Mate of the Watch
Helmsman
Lee Helmsman
Lookouts
Quartermaster of the Watch

Question 3

What publication governs U.S. Inland & International waters?

Answer 3

Rules of the Road

Question 4

“Official” name for Rules of the Road?

Answer 4

Colregs 72

Question 5

Who published Rules of the Road?

Answer 5

U.S. Coast Guard

Question 6

Red over red pulsating lights indicate what?

Answer 6

Man overboard

Question 7

What separates Inland Rules from International Rules?

Line of ______

Answer 7

Line of Demarcation

Question 8

3 different ways to find ships position?

G
V
R

Answer 8

GPS
Visual
Radar

Question 9

Describe Special sea & anchor detail:

Answer 9

Ship moving thru piloting waters, between 3 to 12 NM.

Question 10

Stations manned for Sea & Anchor:
N_____
B_____ takers
V__ plotter
B_____ b____ recorder
M____ Helmsman
P_____ officer
S_____ officer
A__ steering

Answer 10

Navigator/asst. navigator
Bearing takers
VMS plotter/operator
Bearing Book Recorder
Master Helmsman
Piloting Officer (CIC)
Shipping Officer (CIC)
AFT Steering

Question 11

Define low visibility detail.

Answer 11

Visibility reduced to 3 NM or less to any side of the ship per CO’s standing orders.

Question 12

List the 5 VMS Nodes locations:

CONN: conning station in ___.
NAV 1: Q___ table
NAV 2: C__
NAV 3: C___ room
NAV 4: Navigator’s ___

Answer 12

1. CONN - Conning Station in bridge
2. NAV 1- QOOW Table
3. NAV 2 - CIC
4. NAV 3- Chart Room
5. NAV 4- Navigator’s Stateroom

Question 13

Describe flight quarters:

Answer 13

Ship’s maneuvering restricted due to movement of birds.

Question 14

Describe restricted maneuvering:

Answer 14

Ability to maneuver is greatly reduced for flight & well deck ops.

Question 15

Describe modified navigation detail:

Answer 15

Stationed inside 12 NM & deemed safe enough to not need sea & anchor detail. Consists of navigator or asst. navigator on bridge.

Question 16

Definitions

Advance: The time you start to turn until on your ___ __.
Transfer: Distance traveled from course to the end of the __ turn (sideways).
True bearing: directions based on _ north
Magnetic bearing: directions based on _ north
Relative bearing: ships head will always represent __, bearing of an object.
PIM: ____
Set: ___which ships being pushed by current.
Drift: ___ which ships being pushed by current.
Time Zones: how many? With the exception of?
Variation: ___ difference between __ north & __ north.
Crossing situation: anytime 2 ships are on __ courses.
Head-on situation: when 2 ships are on __ courses.
Give-way vessel: __ side to keep clear of ___ vessel.
Stand-on vessel: __ side. hold her __ & __.

Answer 16

Advance: time you start to turn til on new course.
Transfer: distance traveled from course to end of turn lateral.
True bearing: direction of true north
Magnetic bearing: direction of magnetic north
Relative bearing: represent 0000 degrees of object
PIM: plan of intended movement
Set: direction of ship being pushed by current
Drift: speed of ship being pushed by current
Time zones: 25. A-Z except Juliet.
Variation: directional difference between true and magnetic north
Crossing situation: 2 ships on intersecting courses
Head on situation: 2 ships on reciprocal courses
Give way vessel: STBD, keep clear of stand on vessel
Stand on vessel: PORT, hold course and speed

Question 17

NAV equipment

C___
S____
S____
M____
F_____
G____
D_____
V_____

Answer 17

Chart- printed reproduction of earths surface depicting water & coastal land
Sextant- “shoots” celestial bodies to determine ships position.
Stadimeter- RAS detail, ships distance from RAS ship
Gyrocompass- points to true north
Magnetic compass- points to magnetic north
Fathometer- determines ships depth of water beneath keel
GPS: ships position using satellites
DNC- digital representation of chart
VMS- Primary source of navigation using DNC

Question 18

Day shapes

Vessel at anchor:
Vessel not under command:
Restricted in ability to maneuver:
Vessel aground:
Constrained by draft:

Answer 18

Vessel at anchor- ⚫️ball, all white & deck lights
Vessel not under command- ⚫️⚫️ball, ball. All red lights
Restricted ability to maneuver- ⚫️🔷⚫️ball, diamond, ball. Red white red lights
Vessel aground- ⚫️⚫️⚫️ball ball ball. Red lights & deck lights
Constrained by draft- cylinder. Red lights

Question 19

Hierarchy of vessels

“New” not under command
“Reels” restricted ability to maneuver
“Catch” constrained by draft
“Fish” fishing vessels
“So” sailing vessels
“Purchase” power driven vessels
“Some” sea planes
“Weekly”wing in ground

Answer 19

“New”: unable to keep out of way of another vessel
“Reels”: vessel unable to keep out of way due to nature of work
“Catch”: power driven vessel because draft in relation to available depth & width constrained by international waters.
“Fish”: vessel fishing w/ nets
“Purchase”: propelled by machinery
“Some”: powered fixed wing aircraft taking off & landing on water
“Weekly”: vessel operating above surface of water via air cushion

Question 20

Sound signals inland & international:

1 short blast: leave your _ side
2 short blasts: leave your _ side
3 short blasts: operating a__ propulsion
1 prolonged blast: power driven __ making way
2 prolong blasts: power driven vessel __ making way
1 prolonged & 2 short blasts: not under command, restricted maneuver engaged in __
1 prolonged & 3 short blasts: manned vessel being __

Answer 20

1 short blast: leave you port side. Alternating to STBD
2 short blasts: leave you STBD. Alternating to port
3 short blasts: operating astern propulsion
1 prolonged blast: power driven vessel making way
2 prolong blasts: power driven vessel NOT making way
1 prolonged & 2 short blasts: not under command, sailing, restricted maneuver, engaged in fishing.
1 prolonged & 3 short blasts: manned vessel being towed