Navigation rules in restricted visibility Flashcards

2
Q

WHAT SCALE CHART IS USED WHEN PILOTING?

A

LARGEST SCALE CHART

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3
Q

GAZETTER

A

A LIST OF LANDMARKS OR NAVAIDS IDENTIFIED BY LAT/LONG AND ID

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4
Q

THE SHIFT POINTS FOR CIC AND THE BRIDGE SHALL DIFFER BY ATLEAST?

A

ONE FIX INTERVAL

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5
Q

WHAT IS A FIX?

A

POINT OF INTERSECTION OF THREE OR MORE SIMULTANEOUSLY OBTAINED LINES OF POSITION INDICATING A VESSELS EXACT POSITION

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6
Q

ELECTRONIC FIX

A

TWO VISUAL LINES OF POSITION AND ONE RADAR RANGE ARC

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7
Q

WHAT SYMBOL IS USED FOR ELECTRONIC FIX

A

TRIANGLE

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8
Q

ESTIMATED POSITION

A

TWO LINES OF POSITION - MAYBE QUESTIONABLE

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9
Q

DR SHOULD BE PLOTTED HOW FAR IN ADVANCE FOR RESTRICTED VISIBILTY

A

AT LEAST TWO FIX INTERVALS

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10
Q

WHAT DOES RADAR STAND FOR

A

RADIO DETECTION AND RANGING

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11
Q

WHAT DOES A RADAR DETERMINE

A

RANGE (DISTANCE) AND BEARING (DIRECTION) TO AN OBJECT BY MEASURING THE INTERVAL OF TIME BETWEEN THE TRANSMISSION AND RECEPTION OF THE SIGNAL RETURNED AS AN ECHO

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12
Q

4 FACTORS AFFECTING THE ACCURACY OF THE RADAR

A

BEAM WIDTH, PULSE LENGTH, MECHANICAL ADJUSTMENT, INTERPRETATION

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13
Q

A RADAR CAN MORE ACCURATELY DETERMINE RANGES THAN BEARINGS

A

TRUE

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14
Q

THE MOST ACCURATE RADAR FIX RESULTS FROM MEASURING AND PLOTTING RANGES TO TWO OR MORE OBJECTS

A

TRUE

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15
Q

WHERE SHOULD YOU TAKE RADAR RANGES FROM

A

ASTERN AND AHEAD BECAUSE OF THEM CHANGING RADIPLY

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16
Q

STRAIGHT LINES

A

VISUAL BEARING

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17
Q

CURVED LINES

A

RADAR RANGE (ARC)

18
Q

SHORT BLAST

A

1 SECOND OF DURATION

19
Q

PROLONGED BLAST

A

4 TO 6 SECONDS

20
Q

A VESSEL NOT UNDER COMMAND, VESSEL RESTRICTED IN HER ABILITY TO MANUEVER, VESSEL UNDERWAY OR AT ANCHOR, VESSEL ENGAGED IN TOWING OR PUSHING SHALL SOUND

A

ONE PROLONGED TWO SHORT NOT MORE THAN 2 MINTUES

21
Q

A VESSEL UNDERWAY AND MAKING WAY SHALL SOUND

A

ONE PROLONGED EVERY 2 MINUTES

22
Q

A VESSEL UNDERWAY NOT MAKING WAY SHALL SOUND

A

TWO PROLONGED EVERY TWO MINUTES

23
Q

A VESSEL TOWED OR IF MORE THAN ONE VESSEL BEING TOWED THE LAST VESSEL IN THE TOW SHALL SOUND

A

ONE PROLONGED AND THREE SHORT BLASTS EVERY TWO MINUTES

24
Q

A VESSEL PUSHING OR BEING PUSHED AS A COMPOSITITE UNIT SHALL BE CONSIDERED AS A?

A

POWER DRIVEN VESSEL

25
Q

A VESSEL AT ANCHOR SHALL SOUND?

A

INTERVALS NOT MORE THAN ONE MINUTE RING THE BELL RAPIDLY FOR 5 SECONDS

26
Q

IF A VESSEL AT ANCHOR IS 100 METERS OR MORE THEY SHALL SOUND?

A

THE BELL SHALL BE SOUNDED FORWARD AND THE GONG AFT FOR FIVE SECONDS

27
Q

IN ADDITION A VESSEL AT ANCHOR

A

ONE SHORT ONE PROLONGED ONE SHORT

28
Q

A VESSEL AGROUND SHALL GIVE THE SIGNAL

A

RAPID RINGING OF THE BELL AND GONG IF NECESSARY FOLLOWED BY THREE DISTINCT BELL AND

29
Q

IN ADDITION A VESSEL AGROUND SHALL SOUND

A

TWO SHORT AND ONE PROLONGED

30
Q

VESSEL 12M - 20M SHALL NOT

A

NOT OBLIGED TO GIVE BELL SIGNAL HOWEVER SHALL GIVE SOME OTHER EFFICIENT SIGNAL OF NOT MORE THAN 2 MINUTES

31
Q

A PILOT VESSEL SHALL SOUND

A

FOUR SHORT BLAST

32
Q

THREE VESSELS NOT REQUIRED TO GIVE SOUND SIGNALS IN RESTRICTED VISIBILITY

A

ANCHORED AT SPECIAL ANCHORAGE, VESSEL LESS THAN 20 METERS, BARGE,CANAL BOAT, SCOW, OR OTHER NON-DESCRIPT CRAFT

33
Q

NAVIGATIONAL AIDS SHALL BE CLEARLY MARKED TO INCLUDE BOTH VISUAL AND ? AIDS

A

RADAR

34
Q

LIST THE FOUR NAVIGATIONAL OBSERVANCES USED TO TAKE FIXES

A

BEARING TO VISUAL OBJECTS, DISTANCE TO RADAR OBJECTS, DEPTH SOUNDINGS, ELECTRONIC LINES OF POSITION

35
Q

FIXES SHALL BE VERIFIED BY ALL AVAIABLE MEANS

A

DEPTH SOUNDINGS, AIDS TO NAVIGATION, RADAR FIXES, DGPS/GPS

36
Q

LARGE SCALE CHARTS WITH TRACK LINES PLOTTED IN RESTRICTED WATERS SHALL BE INDEPENDENTLY CHECKED BY?

A

A SECOND PERSON

37
Q

WHEN APROACHING A TURN TO PORT WHAT INFORMATION DOES THE NAV PLOTTER RELAY TO THE PORT SIDE BEARING TAKER?

A

THE TURN BEARING ALONG WITH WHAT VISUAL AIDS TO USE

38
Q

IF A SHIP LOSES GYRO WHAT BEARING WILL YOU USE TO TAKE A FIX

A

RELATIVE

39
Q

WHAT ORDER DO YOU SHOOT RADAR RANGES

A

BOW, STERN, BEAM

40
Q

YOU ARE CONSIDERED TO BE IN RESTRICTED VISIBILITY WHEN?

A

YOU HEAR A SOUND SIGNAL BUT DO NOT SEE A VESSEL