navigation Flashcards
what different symbols to look out for
depth rocks which are a hazard to navigation nature of the bottom lights landmarks
what is magnetic variation
what Is the effect of ferrous metals
distorts the magnetic field around the compass
devotion iron magnets
HOW TO DETERMINE SPEED
SPEED
DISTANCEED DIVIDED BY TIME
DISTANCE
TIME X SPEED
TIME
DISTANCE DIVIDED BY SPEED
WHAT IS A NEAP TIDE
A neap tide—seven days after a spring tide—refers to a period of moderate tides when the sun and moon are at right angles to each other.
SPRING TIDE
a tide just after a new or full moon, when there is the greatest difference between high and low water
WHAT IS REQUIRED TO KNOW FOR THE RULE OF 12S TIDE
TIME OF HIGH/LOW WATER RANGE AND THE RANGE
WHAT DOES SEMIDURNAL TIDES MEAN
if it experiences two high and two low tides of approximately equal size every lunar day.
WHAT IS LATERLA NAVIGATION SYSTEM
TEH MOST PREFFERED AND SAFEST ROUTE GREEN AND RED ONES
WHAT IS THE CARDIANL SYSTEM TO THE DIRECTION IT IS POINTING
INDICATES SAFE WATER POINTS ACCORDING TO COMPASSS POINTS
WHAT DOES THE WEST CARDIANL SYSTME LOOK. LIKE.
UPSIDE TRIGANLES
SNATCHED MAY WEST
WHAT DOES EAST LOOK LIKE
FAT MIDDLE SKINNY NECK
NORTH
2 TRIANGLES POINTING
