Harmony of the Seas is the world's largest cruise liner, measuring 1,188 feet long (362 meters).
Harmony of the Seas is the world's largest cruise liner, measuring 1,188 feet long (362 meters).
JEAN-FRANCOIS MONIER/AFP/AFP/Getty Images

Story highlights

One person killed, four injured in accident on Harmony of the Seas

Accident happened during lifeboat drill while ship docked in the south of France

CNN  — 

Investigators are trying to determine how a lifeboat fell during a training exercise on the world’s largest cruise ship Tuesday, leaving one crew member dead and four others injured.

A 42-year-old Philippines national died after the lifeboat fell about 33 feet (10 meters) during the exercise on board Royal Caribbean’s Harmony of the Seas, which was docked in Marseille, France, Deputy Mayor Julien Ruas told CNN.

The four other crew members are being treated at a hospital.

Harmony of the Sea as it docked after the tragic deaths
Harmony of the Sea as it docked after the tragic deaths
BORIS HORVAT/AFP/Getty Images
Royal Caribbean's newest ship, Harmony of the Seas, makes its debut this weekend in Southampton, England. It's the world's largest cruise ship.
Harmony of the Seas —
Royal Caribbean's newest ship, Harmony of the Seas, makes its debut this weekend in Southampton, England. It's the world's largest cruise ship.
Courtesy Royal Caribbean
Harmony can fit up to 6,780 guests and 2,100 crew members. It's 1,188 feet long. In comparison, the Eiffel Tower is 984 feet tall.
Can fit 6,780 guests —
Harmony can fit up to 6,780 guests and 2,100 crew members. It's 1,188 feet long. In comparison, the Eiffel Tower is 984 feet tall.
Courtesy Royal Caribbean
See those purple, squiggly things in the back of the ship? That's one of Harmony's biggest attractions: The Ultimate Abyss, which the cruise line calls "the tallest slide on the high seas." It takes guests on a 100-foot drop from Deck 16 to Deck 6.
The Ultimate Abyss —
See those purple, squiggly things in the back of the ship? That's one of Harmony's biggest attractions: The Ultimate Abyss, which the cruise line calls "the tallest slide on the high seas." It takes guests on a 100-foot drop from Deck 16 to Deck 6.
Courtesy Royal Caribbean
Speaking of slides, there's a trio of multi-story water slides called Perfect Storm. One slide features a champagne bowl that swirls you around as you plunge down.
Perfect Storm —
Speaking of slides, there's a trio of multi-story water slides called Perfect Storm. One slide features a champagne bowl that swirls you around as you plunge down.
Courtesy Royal Caribbean
Included among Harmony's 2,747 staterooms are top-end suites. "We have more suites at sea than any cruise line in the world," says Mark Tamis of Royal Caribbean International.
Suites at sea —
Included among Harmony's 2,747 staterooms are top-end suites. "We have more suites at sea than any cruise line in the world," says Mark Tamis of Royal Caribbean International.
Courtesy Royal Caribbean
The Bionic Bar is staffed by two robot bartenders. They can make two drinks per minute and 1,000 drinks per day.
Bionic Bar —
The Bionic Bar is staffed by two robot bartenders. They can make two drinks per minute and 1,000 drinks per day.
Courtesy Royal Caribbean
Specialty restaurant Wonderland, already a hit on a few other Royal Caribbean vessels, has gotten an upgrade. "It's been expanded on Harmony of the Seas," says Tamis. "It's actually a two-story venue that is going to be dramatically beautiful. "
Wonderland —
Specialty restaurant Wonderland, already a hit on a few other Royal Caribbean vessels, has gotten an upgrade. "It's been expanded on Harmony of the Seas," says Tamis. "It's actually a two-story venue that is going to be dramatically beautiful. "
Courtesy Royal Caribbean
The cost? Prices start at $1,125 per person for a seven-night tour of the western Mediterranean.
Price tag —
The cost? Prices start at $1,125 per person for a seven-night tour of the western Mediterranean.
Courtesy Royal Caribbean
On board the world's largest cruise ship

The mammoth vessel first set sail in May, weighing 226,963 tons and accommodating 6,780 guests and 2,100 crew members.

Harmony of the Seas, world's largest cruise ship
Harmony of the Seas, world's largest cruise ship
Courtesy Royal Caribbean

Related article On board the world's biggest cruise ship

Measuring 1,188 feet (362 meters), the ship is longer than the Eiffel Tower is tall. The Paris icon stands at 984 feet (300 meters).

The ship is so large it boasts seven “neighborhoods” – including a tree-lined Central Park filled with restaurants.