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RUDDER INSPECTIN IS CARRIED OUT IN DRYDOCK TO CHECK ITS INTEGRITY IS STILL INTACT OR NOT. FOLLOWING CHECKS ARE CARRIED OUT IN RUDDER:-

1.  WHEN DOCKING IS TAKING PLACE AND WATER IS TAKEN OUT OF THE DRY DOCK, WE SHOULD OBSERVE THAT NO WATER SHOULD BE COMING OUT OF THE RUDDER. ITS A VISUAL INSPECTION TO CHECK THE INTEGRITY OF THE RUDDER AND NOT THE FINAL CHECK.
2. RUDDERS TOP AND BOTTOM PLUGS ARE REMOVED TO FIND IS ANY WATER COMES OUT OF IT.
3. HAMMER RUDDER PLATES AND CHECK SOUND AND CONDITION OF RUDDER PLATES.
4. GAUGING OF PLATES SHOULD BE CARRIED OUT IN VESSELS MORE THAN 5 YEARS OLD.
5. CHECK THE CONDITION OF ZINC BLOCKS FITTED IN RUDDER.
6. RUDDER IS MOVED AMIDSHIP AND SEE ACTUAL POSITION OF RUDDER W.R.T SHIP. THIS WILL HELP TO IDENTIFY TWISTING OF RUDDER STOCK.
7. PINTLE CLEARANCE TO CHECK.
8. JUMPING CLEARANCE TO BE CHECKED.
9. WEARDOWN AND RUDDER DROP TO BE CHECKED.
10. VISUAL INSPECTION FOR RUDDER CORROSION, PITTING, CRACKS ETC.
11. COUPLING BETWEEN RUDDER AND RUDDER STOCK CEMENT TO BE CHECKED,  CHIP OFF THE CEMENT AND CHECK CONDITION OF PALM BOLTS.
12. RUDDER PRESSURE TESTING HAS TO BE CARRIED OUT.