Celebrity Cruises' Galaxy had the highest scores last year: 99 and 100 percent.
Liz Jakeway of Celebrity Cruises said it was looking into the idea.
The chi also acted as a logo for them and their subsidiary Celebrity Cruises.
Celebrity Cruises arranged for a replacement, and fired the original captain.
Celebrity Cruises tested more than 90 model tank tests in order to achieve its current design.
After delivery in October 2012, it will be owned and operated by Celebrity Cruises.
Celebrity Cruises has postponed plans to position a cruise ship in Asia.
For better quality, Celebrity Cruises want you to pay extra to eat in the alternative venues.
Celebrity Cruises also has well-trained sommeliers and wine waiters who know their subject.
Celebrity Cruises, (800) 437-3111, www.celebrity.com, imposes no limits on the kind of oxygen passengers can take aboard.