I agree that NCL reps should know all the answers but the reality is they do not. That is not unique to NCL. As was mentioned, most of them have never been on a ship. For many of them it is a minimum wage job and as fast as things change in the industry, they can keep up with everything.
490 nights at sea
Island Princess (2), Cunard Princess, Festival, Starward, Nieuw Amsterdam (3), Pacific Princess, Costa Riviera, Regent Sea, Bermuda Star, Queen of Bermuda, Southward, Enchanted Isle, Regent Sun (3), Fair Princess, Tropical, Regent Star (2), Nordic Prince, Celebration, Song of Norway, Westerdam, Song of America (2), Viking Serenade (2), Rhapsody of the Seas (4), Radiance of the Seas (7), Vision of the Seas (8), Norwegian Sky, Norwegian Sun, Mercury, Explorer of the Seas, Serenade of the Seas (5), Sun Princess, Mariner of the Seas (2), Golden Princess (2), Liberty of the Seas, Oosterdam(2), Norwegian Pearl, Norwegian Star, Carnival Spirit, Jewel of the Seas, Celebrity Summit, Celebrity Solstice (2) .