RYA QUIZ
Test your knowledge!
Click on the + to find the answers.
1. Below what temperature is it possible for cold water shock to occur?
15°C and below.
2. What is the difference between a PLB and an AIS beacon?
A PLB transmits a position signal on 406MHz via satellites back to a land-based station while an AIS beacon will transmit a position via VHF to any AIS enabled receiver (such as a chart plotter with AIS functionality on board a boat).
3. Identify three methods of visual position fixing?
Methods include but are not limited to: three-point fix, compass bearing and depth contour reading, radar range combined with bearing, transit, vertical sextant angle combined with bearing to object.
4. Which bend would generally be recommended for joining two lengths of rope of unequal diameter?
A sheet bend.
5. Which way does a low-pressure system rotate in the Southern Hemisphere?
Clockwise.
6. If the true bearing to your destination is 095° with a variation of 13° East, what is the magnetic bearing?
082°.
7. Where would you find a diaphone?
On a lighthouse or lightship. It is a type of fog signal.
8. On an Admiralty chart, what is the line that separates the green and the yellow shaded areas?
Mean High Water Springs.
9. When a cold front catches up with a warm front, what type of front is formed?
Occluded front.
10. What does SRC refer to and when do you need one?
A Short Range Certificate is a 'certificate of competence' that is required for the operation of a Digital Selective Calling enabled VHF marine radio.
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