This is the only Royal Caribbean ship with itinerary changes due to Katrina:

Grandeur of the Seas - formerly scheduled to sail on 7-day New Orleans departures beginning in December 2005, will now sail on 4- and 5-day departures from Tampa from December 3, 2005 through April 22, 2006.


To find out about other ships affected by Katrina, go to the cruise board for the individual line or go here:
http://www.cruiselineforums.com/foru...453#post117453