Are you a TOP GUN in NavRules?You think you're ready for the NavRules test? Take the NavRules Challenge and find out!!
1. INTERNATIONAL ONLY When moving from a berth alongside a quay (wharf), a vessel must sound __________.
three short blasts
a long blast
a prolonged blast
No signal is required.
2. BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal if she is __________.
underway, but not making way
not engaged in pilotage duty
3. BOTH INTERNATIONAL & INLAND What lights, if any, would you exhibit at night if your vessel were broken down and being towed by another vessel?
Same lights as for a power-driven vessel underway
A white light forward and a white light aft
The colored sidelights and a white sternlight
4. BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 20 meters in length?
Whistle and bell only
Whistle, bell, and gong
5. BOTH INTERNATIONAL & INLAND While underway in fog you hear the rapid ringing of a bell. What does this signal indicate?
A vessel backing down
A sailboat underway
A vessel at anchor
A vessel drifting
6. INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.
alternately flashing red and yellow light
flashing blue light
flashing yellow light
alternately flashing blue and red light
7. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel under oars?
She must show a sternlight.
She is allowed to show the same lights as a sailing vessel.
She must show a fixed all-round white light.
She must show a dayshape of a black cone.
8. BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 14 meters in length?
A bell only
A whistle only
A bell and a whistle
Any means of making an efficient sound signal
9. BOTH INTERNATIONAL & INLAND Which light(s) is(are) AMONG those shown by a 200-meter vessel at anchor?
In the forepart of the vessel, a 225°White light
In the after part of the vessel, a 135°White light
Any available working lights to illuminate the decks
In the fore part of the vessel, a 135° white light
10. BOTH INTERNATIONAL & INLAND Additional light signals are provided in the Annexes to the Rules for vessels __________.
engaged in fishing
not under command
engaged in towing