Week 2 Review

BridgeEquip.

100

Measures distance to an object of known height.

Stadimeter

200

Uses Infrared lights to securely signal at night.

AN/SAT-2 IR

300

Measures the altitudes of celestial bodies.

Sextant

400

Displays tracks and stores navigational charts and data.

VMS

500

Magnification power of the Ship-Mounted Binoculars

20x

CompassDef.

100

Counteracts the ship's magnetic field

Degaussing

200

Difference between True North and Magnetic North

Variation

300

Sum of variation and deviation

Compass Error

400

Variation in 2010 was 30 degrees and 15 minutes West

annual increase is 4 minutes

what is the variation in 2026?

31 degrees and 19 minutes West

500

Located in the center of a Compass Rose

Variation

CompassCorr.

100

C      D       M       V       T

24   4W              7E      

M = 20

T = 27

200

T         V       M       D       C

200             207            203

V = 7E

D = 4W

300

  G          E          T 

358                   16

E = 18

400

G         E          T

359    16E       

T = 15

500

C      D     M    V    T

357  12E       17W

M = 9

T = 352

VisCom

100

Two parts of a message in flaghoist

Heading and Text

200

Order for reading several hoists beings displayed

Masthead, Triatic, Port, Starboard

300

Encode and decode signals from merchant vessels

Pub 102

400

Personnel Recall

Papa

500

Indicates use of Pub 102

Code/Answer Pennant

NavPlotter

100

Number of LOPs to obtain a fix

3

200

Minimum fix interval in Restricted Waters

3 minutes

300

Table 3-A 

Fix Accuracy and Maximum Intervals

400

Approaching a turn, an anchorage, or if 1 NAVAID is present

Constants

500

Navigation Report Requirements

Fix Time, Method, Position, and Recommendations