問題一覧
1
3) A vessel towing a barge astern would show at the astern
a towing light above the stern light
2
11) if it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible.
turn to port for a vessel on her own port side
3
A vessel being towed astern, where the length of the tow exceeds 200 meters, will exhibit
a diamond shape where it can best be seen
4
You are preparing to cross a narrow channel. You see a vessel that can only be navigated safely within the channel. You should
not cross the channel if you might impede the other vessel
5
Which statement is TRUE concerning a vessel of 75 meters in length, at anchor?
She must show an all-round white light forward.
6
2)The masthead light may be located at other than the fore and aft centerline on a vessel.
of special construction
7
4)Which vessel, when anchored at night, would NOT be required to show anchor lights?
A vessel dredging
8
Your vessel is NOT making way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE
Your vessel is the give-way vessel in a crossing situation.
9
An anchor ball need NOT be exhibited by an anchored vessel if she is.
less than 7 meters in length, and not in or near an area where other vessels normally navigate
10
9) What describes a head on situation?
b. Seeing both sidelights of a vessel directly ahead
11
You can indicate that your vessel is in distress by
continuously sounding the fog whistle
12
At night you sight a vessel displaying a single green light. This is a
vessel drifting
13
Which statement is TRUE concerning seaplanes on the water?
A seaplane on the water shall, in general, keep well clear of all vessels
14
16) What is the minimum length of vessels required to show two anchor lights?
50 meters
15
5) Which vessel sounds the same fog signal when underway or at anchor?
A vessel restricted in her ability to maneuver
16
10) Which statement is TRUE concerning fog signals?
a. A vessel aground may sound a whistle signal
17
Your tug is underway at night and NOT towing. What light(s) should your vessel show aft to other vessels coming up from astern?
One white light
18
it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible.
turn to port for a vessel on her own port side
19
The rules concerning lights shall be complied with in all weathers from sunset to sunrise. The lights.
shall be displayed in restricted visibility during daylight hours
20
Power-driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes?
a diamond shape
21
Which vessels shall turn off their sidelights?
All fishing vessels that are not making way
22
21) At night, a vessel displaying the lights shown is
underway
23
When underway in restricted visibility, you might hear, at intervals of two minutes, any of the following fog signals EXCEPT
ringing of a bell for five seconds
24
All of the following are distress signals EXCEPT
giving five or more short and rapid blasts of the whistle
25
A vessel fishing at night, with gear extending more than 150 meters horizontally outwards, will show in the direction of the gear
one white light
26
vessel, which is unable to maneuver due to some exceptional circumstance, shall exhi
when making way at night two all around red light sidelights and a stern light.
27
While underway and in sight of another vessel forward of your beam more than 0.5 mile away, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?
You must sound three short blasts on the whistle.
28
You are underway in fog when you hear the rapid ringing of a bell for five seconds followed by the sounding of a gong for five seconds. This signal indicates a vessel
more than 100 meters in length, at anchor
29
Which statement is TRUE concerning the danger signal?
Distress signals may be used in place of the danger signal.
30
Which factor is listed in the Rules as one which must be taken into account when determining safe speed?
The maneuverability of the vessel
31
A tug is towing three barges astern in restricted visibility. The second vessel of the tow should sound
one prolonged and three short blasts
32
you see a vessel's green sidelight bearing due east from you. The vessel might be heading.
east (090)
33
A fog signal of one prolonged blast followed by four short blasts would mean the presence of a
power-driven pilot vessel on station underway
34
50-meter vessel is towing astern and the length of the tow is 100 meters. In addition to sidelights, which lights may she show to fully comply with the Rules?
Two masthead lights forward, a stern light, and a towing light above the stern light
35
6) What is the identity signal which may be sounded by a vessel engaged on pilotage duty in fog?
b. 4 short blasts
36
Which statement is TRUE concerning two sailing vessels approaching each other?
A sailing vessel seeing another to leeward on an undetermined tack shall hold her course.
37
8) Yellow lights are NOT used to identify.
a. the heads of tows being pushed ahead by tugboats
38
The arc of visibility for sidelights is from right ahead to
22.5" abaft the beam
39
1) You see another vessel approaching, and its compass bearing does not significantly change. This would indicate that
risk of collision exists
40
Which statement is TRUE concerning two sailing vessels?
A sailing vessel with the wind forward of the beam on her port side shall keep out of the way of a sailing
41
A vessel displaying the black ball day-shape is
anchored
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power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to
keep clear, passing at a safe distance
43
41) A "flashing light" is a light that
flashes at regular intervals at a frequency of 120 flashes or more per minute
44
Which is TRUE of a vessel downbound with a following current when meeting an upbound vessel on the Western Rivers?
She has the right-of-way only if she is power-driven.
45
200-meter vessél a aground in fog. Which signal is optional?
All of the above are mandatory
46
You are making headway in fog and hear a fog signal of two prolonged blasts on your starboard quarter. You should
hold your course and speed
47
While underway at night you are coming up on a vessel from astern. What lights would you expect to see?
One white light
48
According to the Navigation Rules, you may depart from the Rules when.
you are in immediate danger
49
18) While underway in fog, you hear a vessel ahead sound two short blasts on the whistle. You should
sound two short blasts and change course to the left
50
Which lights are shown by a vessel restricted in her ability to maneuver to indicate that the vessel is making way?
c. Masthead lights, sidelights and stern light.