Friends of an American adventurer who may have helped crack one of aviation's greatest mysteries say he has a passion for travel and meeting people.

Blaine Gibson, a lawyer from Seattle, may have discovered what may be a piece of tail section from Flight MH370 that disappeared March 8, 2014 with 239 people aboard. The airliner is believed to have crashed somewhere in a remote stretch of the southern Indian Ocean.

The 58-year-old Gibson, who grew up in California, told The Associated Press he had come to Mozambique as part of a dream to see every country in the world. Dave Ryan, a Seattle attorney who befriended Gibson in law school, says Gibson travels a lot and had different business ventures around the globe.