RYA Radar

To give an understanding of the use of radar in small boats as an aid to navigation and collision avoidance.

Subject Broad Detail to be Covered

1. Basic Understanding of radar wave propagation ? Conditions giving rise to abnormal propagation

2. Radar set components

? Function & correct use of controls

? Correct setting up procedure

3. Target definition and discrimination

? Spot size, pulse length & beam width

? Target characteristics, size, shape and material

? False echoes

? Shadow sectors, shadow diagram

4. Radar deflectors

? Passive and active

5. Types of Radar display

? Azimuth stabilisation

6. Radar plotting

? The use of radar to avoid a close quarter situation

? Appreciation of IRPCS, action to be taken in reduced visibility

? General precautions and action to be taken in fog

7. Use of Radar as an aid to navigation

? Radar conspicuous targets, need for positive identification

? Parallel indexing (if provided)

8. Accuracy in range and bearing

? PPI distortion. Non linearity

? Heading marker alignment

? Checking accuracy of VRM, EBL, etc.

9. General safety precautions in using equipment