1. BOTH INTERNATIONAL & INLAND The white masthead light required for a power-driven vessel under the Rules is visible over how many degrees of the horizon?

022.5°
112.5°
225.0°
360.0°

2. BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel fishing with nets shall sound at intervals of two minutes __________.

one prolonged blast
one prolonged followed by two short blasts
one prolonged followed by three short blasts
two prolonged blasts in succession

3. INLAND ONLY Which statement is TRUE concerning a passing agreement made by radiotelephone?

Such an agreement is prohibited by the Rules.
A vessel which has made such an agreement must also sound whistle signals.
Whistle signals must still be exchanged when passing within half a mile of each other.
If agreement is reached by radiotelephone, whistle signals are optional.

4. INLAND ONLY The special light for a vessel engaged in public safety activities must __________.

be on top of the mast or highest structure of the vessel
not interfere with the visibility of the navigation lights
be as far forward as possible
not be visible more than 22 1/2 degrees abaft the beam

5. BOTH INTERNATIONAL & INLAND A towing light is a yellow light having the same characteristics as a(n) __________.

special flashing light
anchor light
sternlight
masthead light

6. BOTH INTERNATIONAL & INLAND Your vessel is approaching a bend. You hear a prolonged blast from around the bend. You should __________.

back your engines
stop your engines and drift
answer with one prolonged blast
sound the danger signal

7. INTERNATIONAL ONLY Which vessel would NOT sound a fog signal of one prolonged and two short blasts?

A vessel not under command
A vessel constrained by her draft
A vessel being towed
A vessel sailing

8. BOTH INTERNATIONAL & INLAND For identification purposes at night, U.S. Navy submarines on the surface may display an intermittent flashing light of which color?

Amber (yellow)
White
Blue
Red

9. INLAND ONLY A single vessel being towed alongside shall show __________.

one all-round white light
sidelights and a stern light
only the outboard sidelight and a stern light
a special flashing light, sidelights, and a stern light

10. INLAND ONLY A flashing blue light is used to identify __________.

law enforcement vessels
U.S. submarines
air-cushion vessels in the nondisplacement mode
dredge pipelines on trestles