[2] Four 14-cylinder MAN B&W 14V48 medium speed diesel engines, each producing 14,700 kilowatts (19,700 hp), driving ABB electric propulsion motors coupled to twin propellers.

However, this program was cancelled in February 2020 due to COVID-19 concerns[13] and the ship was instead to operate cruises to the Greek Isles for the summer 2020 season.

On 25 May 2008, at approximately 9:00 am, Norwegian Spirit contacted Pier 90 in New York City at the end of an eight-day cruise to the Eastern Caribbean.

[3][18] In March 2008 a passenger from Norwegian Spirit died following a zip-lining accident on an NCL-sponsored shore excursion in Roatán, Honduras.

[18] In November 2009 a passenger from Norwegian Spirit died after being shot in a robbery during a port call in Santo Tomás de Castilla, Guatemala.

[18] In June 2011 a passenger jumped overboard from Norwegian Spirit in the Mississippi River 3 hours after the ship had set sail from New Orleans, Louisiana.

[18] In April 2018 a passenger went missing after reportedly going overboard whilst the ship was sailing off the coast of Cabo de Palos, Spain.

[21] In March 2020, passengers of Norwegian Spirit were banned from disembarking in Port Victoria, Seychelles, amid fears over the coronavirus and the announcement of a temporary closing for cruise ships.