NEW
Font size
WorksheetsSTO Assessment Quiz - Competence 2
Total questions: 20
Worksheet time: 20mins
The light which may be used with a vessel's whistle must be
A white light
Used only at night
Used prior to sounding the whistle
Used when the whistle is broken
Which whistle signal may be sounded by one of two vessels in sight of each other?
One short, one prolonged, and one short blast
One prolonged blast
One short blast
Two short blasts
Which signal, other than a distress signal, can be used by a vessel to attract attention?
Continuous sounding of a fog signal apparatus
Searchlight beam
Burning barrel
Calling "Mayday" on the radiotelephone
You are underway on the high seas in restricted visibility. You hear a fog signal of one prolonged
and two short blasts. It could be any of the following EXCEPT a vessel"
minesweeping
engaged in fishing
constrained by her draft
being towed
Which signal may be sounded ONLY by vessels in restricted visibility?
One prolonged, one short, one prolonged, and one
At least five short and rapid blasts
Four short blasts
Two short blasts
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
the vessel intends to leave you on her starboard side
you should alter course to port
ou should sound the danger signal
The prohibition against displaying lights which may be confused with required navigation lights
applies:
From sunset to sunrise and during restricted visibility
Only when other vessels are in the area
Only when operating in a traffic separation scheme
Only when under tow
Whenever a course alteration is made to avoid collision, it should be:
a succession of small changes
any of the choices is correct
a large change
supplemented by speed change
A commercial airline in the water is:
A vessel
A seaplane
In trouble and not specifically addressed by the nav
A special purpose vessel
As defined in the Rules, which vessel would qualify as a "vessel not under command" among the
listed?
a vessel having an accident in her machinery forcing
a vessel affected by severe weather conditions
a vessel with her anchor down but not holding
a vessel fishing with trolling lines
Of the listed, which vessel is NOT classified as vessel "restricted in her ability to maneuver" in
accordance to the Rules?
A vessel picking up a navigation mark
A vessel whose anchor is fouled
A vessel engaged in mine clearance operations
A vessel transferring cargo while underway
A 95‐meter vessel aground shall sound which fog signal?
A whistle signal of 1 short, 1 prolonged and 1 short
A long blast of the whistle at intervals to exceed 1
A long blast of the whistle at intervals to exceed 1
A rapid ringing of a bell for 5 seconds, preceded an
The listed lights will be exhibited by a vessel engaged in fishing while at anchor?
three lights in a vertical line, the highest and lowest
sidelights and a sternlight
an anchor light
none of the choices
To which of the following annexes of the Collision Regulations is titled as Additional Signals for
Fishing Vessel Fishing in Close Proximity?
Annex 1
Annex 2
Annex 3
Annex 4
None of the choices
The word "seaplane" means it includes:
any airplane on a flight over a large body of water
helicopter flying over water
commercial aircraft
any air craft designed to maneuver on the water
A vessel heading SSE is on a course of:
135.0deg.
157.5deg.
112.5deg.
180.0deg.
157.6deg
What is the minimum sound signaling equipment required aboard a vessel 10‐meters in length?
Any means of making an efficient sound signal
A bell only
A whistle only
A bell and a whistle
A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the
lights of:
a power driven vessel towing
a barge being pushed ahead
a power driven vessel not towing
a power driven vessel and a vessel being towed
A vessel may use any sound or light signals to attract the attention of another vessel as long as:
the signal cannot be mistaken for a signal authorize
red and green lights are not used
the vessel signals such intentions over the radiotele
it is one of those listed under Annex IV of the Collision
None of the choices
Your vessel is backing out of a slip in a harbor. Visibility is restricted. You should sound:
one long blast only
one prolonged blast followed by three short blasts
the danger signal
one prolonged blast only
