U.S. Coast Guard Auxiliary Fort Myers Beach

Welcome to Southwest Florida!

Are you a TOP GUN in NavRules?
You think you're ready for the NavRules test?
Take the NavRules Challenge and find out!!


WALL OF FAME:
Top scores:
NameQuestionsCorrectScore
joe 10660%
ernie 201890%
Tim 201785%
Craig 201575%
Robert 201575%

1. BOTH INTERNATIONAL & INLAND In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a __________.

vessel not under command
vessel restricted in her ability to maneuver
power-driven vessel approaching on her starboard side
vessel fishing

2. BOTH INTERNATIONAL & INLAND What does the word "length" refer to?

Length between the perpendiculars
Length overall
Waterline length
Register length

3. BOTH INTERNATIONAL & INLAND While underway in fog you hear a whistle signal consisting of one prolonged blast followed immediately by two short blasts. This signal is sounded in fog by __________.

vessels at anchor, not engaged in fishing
vessels underway and towing
vessels in danger
pilot vessels

4. BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearance operations shows special identity lights __________.

in addition to the lights required for a power-driven vessel
which means that other vessels should not approach closer than 500 meters on either side of the vessel
that are green and show through an arc of the horizon of 225°
All of the above

5. INTERNATIONAL ONLY Which statement is TRUE, according to the Rules?

A vessel constrained by her draft shall keep out of the way of a vessel engaged in fishing.
A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver.
A vessel not under command shall avoid impeding the safe passage of a vessel constrained by her draft.
A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver.

6. BOTH INTERNATIONAL & INLAND Two vessels are in an overtaking situation. Which of the lights on the overtaken vessel will the overtaking vessel see?

Two masthead lights
One masthead light and a sidelight
Both sidelights
Sternlight only

7. INTERNATIONAL ONLY You are in sight of a power-driven vessel that sounds two short blasts of the whistle. This signal means that the vessel __________.

is altering course to port
is altering course to starboard
intends to leave you on her port side
intends to leave you on her starboard side

8. BOTH INTERNATIONAL & INLAND If you hear the firing of a gun at one minute intervals from another vessel, this indicates that __________.

the gun is being used to sound passing signals
the vessel is in distress
all vessels are to clear the area
all is clear and it is safe to pass

9. INLAND ONLY Which is a characteristic of a "special flashing light"?

It is required for all vessels being pushed ahead as part of a composite unit.
It must show through an arc of not less than 180°Nor more than 225°.
It must be of the same character and construction as the masthead light.
All of the above

10. BOTH INTERNATIONAL & INLAND A vessel nearing a bend or an area of a channel or fairway where other vessels may be obscured by an intervening obstruction shall sound __________.

one long blast
one prolonged blast
the danger signal
two short blasts