damage control and repair seattle safety at sea seminar 25 feb 2012 paul h. miller, d.eng. p.e....
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Damage Control and Repair
Seattle Safety at Sea
Seminar25 Feb 2012
Paul H. Miller, D.Eng. P.E.Professor of Naval Architecture
United States Naval Academy
When Things Go South…
1. Dismasting
2. Steering loss
3. Flooding
4. Grounding
5. Structural damage• Keels• Collisions
2
Dismasting
1. Is everyone OK?
2. Is the broken rig an immediate danger?
3. Jettison or secure?
4. Establish communications
5. Motor or jury rig?
6. Distance to nearest safe port?
4
Steering Loss1. Communicate to those nearby!
• “No steering!”
2. Slow the boat down (drop sails, engine in neutral)
3. Repairable?
4. Jury rudder – prefabricated or Macgyver it? Spin pole plus floorboards is a possible option
6
Flooding: Optimist or Pessimist?
1. How fast?!!
2. Find source• Hose, seacock,• Shafts, head
3. Communicate!
4. Plug and Bail
5. Sailboats can float with a lot of water
6. Intentional grounding?
7
Collisions
12
1. Is everyone OK?2. Look for water
ingression3. Heel and
patch/plug4. Communicate5. Think before
separating boats
Allisions (collisions with fixed objects)
1. Maintain situational awareness!
2. Don’t forget your GPS is quite accurate!
14
What would happen if they backed away?
Keel Loss
15
Unfortunately all too common today.
Routine, appropriate inspections are critical, both in and out of the water.
Keel Loss
(0. Are we still upright?!)
1. Is everyone accounted for?
2. Communicate to SAR Coordinator (will your radio still work?)
3. Prepare to abandon ship
4. Evaluate the risk/reward of staying or abandoning
16
Watertight Integrity Lost
1. Reduce speed immediately!
2. Minimize water over the deck
3. Communicate!
4. Repair ASAP!
17
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