Basic Navigation Flashcards
1
Q
In which of the following sources could you find the number of a chart got a certain geographic area?
A. Chart no. 1
B. Catalog of nautical charts
C. American practical navigator
D. HO 102
A
B. Catalog of nautical charts
2
Q
Which chart symbol indicates the bottom is sand?
A. San.
B. SD
C. S.
D. SA
A
C. S
3
Q
On charts of US waters. A magenta marking is NOT used for marking a……
A. Lighthouse
B. Lighted buoy
C. Prohibited area
D. 5 fathom curve
A
D. 5 fathom curve
4
Q
What is a datum of sounding for chart 12231 TR?
A. Mean low water
B. Mean lower low water
C. Mean low water springs
D. Mean normal low water
A
B. Mean lower low water
5
Q
What is the equation to find distance?
A
D= TxS/60
6
Q
What is the equation to find time?
A
T=60xD/S
7
Q
What is the equation to find speed?
A
S= 60xD/T
