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 Traffic separation schemes __________.

provide routing and scheduling procedures to reduce shipping delays
provide traffic patterns in congested areas, so that vessels can operate without having a separate lookout
provide inbound and outbound lanes to promote the safe flow of vessel traffic
prohibit vessels carrying hazardous cargoes from entering waters that are environmentally sensitive

2. INTERNATIONAL ONLY If at night a vessel displays three all-round red lights in a vertical line, during the day she may show __________.

two cones, base to base
three black balls in a vertical line
a cylinder
a cone, apex downward

3. INTERNATIONAL ONLY If you sighted three red lights in a vertical line on another vessel at night, it would be a vessel __________.

aground
constrained by her draft
dredging
moored over a wreck

4. BOTH INTERNATIONAL & INLAND Vessels of less than what length may not impede the passage of other vessels which can safely navigate only within a narrow channel or fairway?

10 meters
20 meters
30 meters
40 meters

5. BOTH INTERNATIONAL & INLAND When two power-driven vessels are meeting head-on and there is a risk of collision, each shall __________.

stop her engines
alter course to starboard
sound the danger signal
back down

6. BOTH INTERNATIONAL & INLAND Barges being towed at night must exhibit navigation lights __________.

at all times
only if manned
only if towed astern
Need not be lighted

7. INLAND ONLY A power-driven vessel crossing a river on the Great Lakes or Western Rivers, must keep out of the way of a power-driven vessel __________.

descending the river with a tow
ascending the river with a tow
ascending the river without a tow
All of the above

8. BOTH INTERNATIONAL & INLAND An all-round flashing yellow light may be exhibited by a(n) __________.

vessel not under command
air cushion vessel in the nondisplacement mode
vessel towing a submerged object
vessel engaged in diving operations

9. BOTH INTERNATIONAL & INLAND Which statement is TRUE of a 30-meter sailing vessel underway?

She must show sidelights and a sternlight in restricted visibility.
She may show an all-round white light at the top of the mast.
She need not show a sternlight if she is showing all-round lights on the mast.
If she is using propelling machinery, she shall show forward a shape consisting of two cones, apexes together.

10. BOTH INTERNATIONAL & INLAND In which situation would risk of collision definitely exist?

A vessel is 22 degrees on your port bow, range increasing, bearing changing slightly to the right.
A vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the right.
A vessel is 22 degrees abaft your port beam, range increasing, bearing is constant.
A vessel is on your starboard quarter, range decreasing, bearing is constant.