OUPV NaVigatiON geNeral eXaM
StUDY gUiDe 2026/2027 COMPlete
QUeStiONS WitH VeriFieD COrreCt
aNSWerS || 100% gUaraNteeD PaSS
<NeWeSt VerSiON>
1. the term slackwater during a tidal change means - ANSWER ✔ little or no
movement of water
2. when heading into a channel and the two range lights are in line line you
should - ANSWER ✔ keep your course
3. you observe a buoy mark having a green and red horizontal bands. what
light characteristic will it have? - ANSWER ✔ composite group flashing
4. the direction of the earth's surface wind is - ANSWER ✔ deflected by the
earths rotation
5. your vessel's position should be plotted using bearings of - ANSWER ✔
fixed known positions on land
6. which buoys may be lettered and not numbered - ANSWER ✔ preferred
channel buoy
,7. spring tides will produce - ANSWER ✔ higher highs and lower lows than
normal
8. you must assume when using a buoy as an aid to nav. - ANSWER ✔ the
buoy may not be in the charted position
9. the "local notice to mariners" provides corrections of local nature to charts
and is published - ANSWER ✔ weekly
10.the term "tide" means - ANSWER ✔ vertical movement of the water
11.your vessel changes heading to starboard the compass card in a compass will
- ANSWER ✔ remains aligned with compass north
12.when entering a vessel traffic separation zone from sea, a lighted buoy to be
kept to starboard should have a - ANSWER ✔ red light
13.the symbol which appears beside a light on a chart reads "Gp F1 g(2) 12sec
160 ft 19M" is what light color? - ANSWER ✔ it has a green light
14.which symbol represents a warm front - ANSWER ✔ red line with half
circles on one side
15.when entering from sea what buoy should be left to port? - ANSWER ✔ odd
numbered
,16.lateral buoys which only mark left or right sides of channel should never
have a light characteristic of - ANSWER ✔ composite group flashing (2+1)
17.which chart projection is most suited for coastal nav? - ANSWER ✔
mercator chart
18.to make a correction to compass course(PSC) you would find the variation
on a mercator chart - ANSWER ✔ on the compass rose
19.Whats the length of a nautical mile
a. 1,700
b. 2,000
c. 6,076 - ANSWER ✔ 6,076 feet
20.Preferred channel aids to navigation are marked with_______
a. Numbers
b. Letters
c. Orange strips
d. Yellow - ANSWER ✔ Letters
21.In the U.S. Aids to navigation system, red and green horizontally-banded
buoys mark
, a. Channels for shallow draft
b. General anchorage areas
c. Preferred channels - ANSWER ✔ Preferred channels
22.You are outbound in a buoyed channel on course and sight a white light
showing a Morse (A) to port. For safety you should
a. Change course to 359*T to pass near to the buoy
b. Stay in the channel and leave the buoy to port
c. Alter course to 000*T and leave the buoy well clear to starboard
d. Check the chart to see where - ANSWER ✔ Stay in the channel and
leave the buoy to port
23.VHF channel 16 is used for initial contact for:
a. Marine operator
b. Navigation information
c. Distress calls
d. Weather reports - ANSWER ✔ Distress call
24.How do sound signals on buoys work? - ANSWER ✔ Via wave action.
25.What do fog signals supplement? - ANSWER ✔ Lights.
26.What does RACON stand for? - ANSWER ✔ Radar beacon.
StUDY gUiDe 2026/2027 COMPlete
QUeStiONS WitH VeriFieD COrreCt
aNSWerS || 100% gUaraNteeD PaSS
<NeWeSt VerSiON>
1. the term slackwater during a tidal change means - ANSWER ✔ little or no
movement of water
2. when heading into a channel and the two range lights are in line line you
should - ANSWER ✔ keep your course
3. you observe a buoy mark having a green and red horizontal bands. what
light characteristic will it have? - ANSWER ✔ composite group flashing
4. the direction of the earth's surface wind is - ANSWER ✔ deflected by the
earths rotation
5. your vessel's position should be plotted using bearings of - ANSWER ✔
fixed known positions on land
6. which buoys may be lettered and not numbered - ANSWER ✔ preferred
channel buoy
,7. spring tides will produce - ANSWER ✔ higher highs and lower lows than
normal
8. you must assume when using a buoy as an aid to nav. - ANSWER ✔ the
buoy may not be in the charted position
9. the "local notice to mariners" provides corrections of local nature to charts
and is published - ANSWER ✔ weekly
10.the term "tide" means - ANSWER ✔ vertical movement of the water
11.your vessel changes heading to starboard the compass card in a compass will
- ANSWER ✔ remains aligned with compass north
12.when entering a vessel traffic separation zone from sea, a lighted buoy to be
kept to starboard should have a - ANSWER ✔ red light
13.the symbol which appears beside a light on a chart reads "Gp F1 g(2) 12sec
160 ft 19M" is what light color? - ANSWER ✔ it has a green light
14.which symbol represents a warm front - ANSWER ✔ red line with half
circles on one side
15.when entering from sea what buoy should be left to port? - ANSWER ✔ odd
numbered
,16.lateral buoys which only mark left or right sides of channel should never
have a light characteristic of - ANSWER ✔ composite group flashing (2+1)
17.which chart projection is most suited for coastal nav? - ANSWER ✔
mercator chart
18.to make a correction to compass course(PSC) you would find the variation
on a mercator chart - ANSWER ✔ on the compass rose
19.Whats the length of a nautical mile
a. 1,700
b. 2,000
c. 6,076 - ANSWER ✔ 6,076 feet
20.Preferred channel aids to navigation are marked with_______
a. Numbers
b. Letters
c. Orange strips
d. Yellow - ANSWER ✔ Letters
21.In the U.S. Aids to navigation system, red and green horizontally-banded
buoys mark
, a. Channels for shallow draft
b. General anchorage areas
c. Preferred channels - ANSWER ✔ Preferred channels
22.You are outbound in a buoyed channel on course and sight a white light
showing a Morse (A) to port. For safety you should
a. Change course to 359*T to pass near to the buoy
b. Stay in the channel and leave the buoy to port
c. Alter course to 000*T and leave the buoy well clear to starboard
d. Check the chart to see where - ANSWER ✔ Stay in the channel and
leave the buoy to port
23.VHF channel 16 is used for initial contact for:
a. Marine operator
b. Navigation information
c. Distress calls
d. Weather reports - ANSWER ✔ Distress call
24.How do sound signals on buoys work? - ANSWER ✔ Via wave action.
25.What do fog signals supplement? - ANSWER ✔ Lights.
26.What does RACON stand for? - ANSWER ✔ Radar beacon.
