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Question #34
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BOTH INTERNATIONAL & INLAND Which vessel when anchored at night, would NOT be required to show anchor lights?
A) A vessel engaged in underwater operations
B) A vessel engaged in mine clearance
C) A vessel engaged on pilotage duty
D) A vessel engaged in survey operations
Posted: 12 Jan 2016 16:51 UTC  Post #1
ncalcamu
Deck
Member
Total Posts: 5
Rule 27(b)(iv) excludes vessels engaged in mine clearance operations from displaying anchor lights. It does not exclude vessels engaged in underwater operations. The answer is B.
Posted: 12 Jan 2016 23:00 UTC  Post #2
Shawn
Deck & Engine
Expired Member
Total Posts: 195
ncalcamu,

Here is why its not B (vessel engaged in mine clearance): Rule 27(f): A vessel engaged in mine clearance operations shall, in addition to the lights prescribed for a power-driven vessel in Rule 23 or to the lights or shape prescribed for a vessel at anchor in Rule 30 as appropriate, exhibit three all-round green lights or three balls.

The correct answer is: Rule 27(d)(iii): A vessel engaged in dredging or underwater operations, when restricted in her ability to maneuver, shall exhibit the lights and shapes prescribed in Rules 27(b)(i), (ii) and (iii) and shall in addition when an obstruction exists, exhibit: when at anchor, the lights or shapes prescribed in this paragraph instead of the lights or shapes prescribed in Rule 30.
Posted: 01 Mar 2016 10:33 UTC  Post #3
caaptkeene
Deck & Engine
Member
Total Posts: 17
why why
Posted: 07 Nov 2016 10:01 UTC  Post #4
rmj3636
Deck
Member
Total Posts: 1
i guessed
Posted: 11 Jul 2018 08:06 UTC  Post #5
PHILIPEVIANA
Deck & Engine
Registered
Total Posts: 10
SHAUN. I agree in part with your point of view. I have one caveat to do.

"A vessel engaged in underwater operation is, when at anchor, not required to show anchor lights." This sentence is False.

Because: "A vessel engaged in underwater operation is, when at anchor, not required to show anchor lights, WHEN AN OBSTRUCTION EXISTS."

It is not ANY vessel engaged in underwater operation. This is very clear in Rule 27 (d).
Posted: 03 Mar 2021 18:40 UTC  Post #6
CapeDreg
Deck & Engine
Expired Member
Total Posts: 1
DONT - DIVING. (UW OPERATIONS)
DISPLAY - DREDGING
THE - TRAWLING
FLUKE - FISHING
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