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ASA 105
ASA 105 EXAM QUESTIONS & ANSWERS|
GRADE A| 100% CORRECT (VERIFIED
SOLUTIONS) (2025/ 2026 UPDATE)
The OCW markers will show either a yellow triangle, or square. The square is left to port
when returning - ANS ✓What happens when the ICW shares and entrance to a bay/harbor
Even - ANS ✓Are red buoys odd, or even numbered?
To make sure you are not being set out of the channel by the current - ANS ✓Why should
you look behind you as well as ahead of you when in a channel?
Triangle - ANS ✓What shape are red day marks?
Square - ANS ✓What shape are green day marks?
Steer towards the lower light - ANS ✓How should you correct course when using transit
lights and the lower light is off to one side?
Lateral system of buoyage - ANS ✓What is the term used to describe the system of using
buoys to mark the sides of channels
ASA 105
, 2
ASA 105
Shipping lanes, fish net grounds, ship anchorage areas, military exercise zones - ANS
✓Yellow buoys may be used to mark
Channel center - ANS ✓What do white lights indicate?
Long light symbols like a morse code dash - ANS ✓What is an occulting light
Short flashes like the dot in more code - ANS ✓What is a flashing light symbol?
Multiple flashes grouped together - ANS ✓What is a junction, or
Composite group flashing light
Short long flashing - ANS ✓What do you call long and short flashes grouped together
The number, or letter painted on a buoy - ANS ✓What do ""
Mean on a chart
Unlighted can, or nun - ANS ✓What do C and N mean on a chart
RW - ANS ✓What is the abbreviation for red white buoy
GR - ANS ✓What is the chart abbreviated for a green - red junction mark?
Flashes, color, timing - ANS ✓What is the sequence on a chart for flashing lights?
ASA 105
ASA 105
ASA 105 EXAM QUESTIONS & ANSWERS|
GRADE A| 100% CORRECT (VERIFIED
SOLUTIONS) (2025/ 2026 UPDATE)
The OCW markers will show either a yellow triangle, or square. The square is left to port
when returning - ANS ✓What happens when the ICW shares and entrance to a bay/harbor
Even - ANS ✓Are red buoys odd, or even numbered?
To make sure you are not being set out of the channel by the current - ANS ✓Why should
you look behind you as well as ahead of you when in a channel?
Triangle - ANS ✓What shape are red day marks?
Square - ANS ✓What shape are green day marks?
Steer towards the lower light - ANS ✓How should you correct course when using transit
lights and the lower light is off to one side?
Lateral system of buoyage - ANS ✓What is the term used to describe the system of using
buoys to mark the sides of channels
ASA 105
, 2
ASA 105
Shipping lanes, fish net grounds, ship anchorage areas, military exercise zones - ANS
✓Yellow buoys may be used to mark
Channel center - ANS ✓What do white lights indicate?
Long light symbols like a morse code dash - ANS ✓What is an occulting light
Short flashes like the dot in more code - ANS ✓What is a flashing light symbol?
Multiple flashes grouped together - ANS ✓What is a junction, or
Composite group flashing light
Short long flashing - ANS ✓What do you call long and short flashes grouped together
The number, or letter painted on a buoy - ANS ✓What do ""
Mean on a chart
Unlighted can, or nun - ANS ✓What do C and N mean on a chart
RW - ANS ✓What is the abbreviation for red white buoy
GR - ANS ✓What is the chart abbreviated for a green - red junction mark?
Flashes, color, timing - ANS ✓What is the sequence on a chart for flashing lights?
ASA 105
