A small Mexican navy plane carrying eight people on a medical mission crashed Monday near Galveston, killing at least two people.

Eight people were aboard the Mexican military aircraft when it crashed near the Galveston Causeway on Monday afternoon, leaving at least five dead.

The NTSB said the investigation into what caused the crash that killed NASCAR legend Greg Biffle may be lengthy but the plane's black box has been recovered.

Four of the eight people aboard were Navy officers and four were civilians, including a child, Mexico’s Navy said.

Mexican officials say a medical support plane tied to a Mexico foundation crashed near the Galveston Causeway on Monday. FOX 26's Angie Rodriguez reports confirmed information as of 9:30 p.m. Monday, and Anthony Antoine explains the local tie to the Mexico foundation.

Greg Biffle was the latest athlete to die in an aviation crash. There were several deaths involving planes and helicopters, including one earlier this year.

CW39 reporter Vanessa Pacheco reports on a deadly plane crash in Galveston near the Causeway. It was a flight that was part a medical support mission. Mexican authorities confirming at least five people have been killed and authorities say one person is still missing,

"The initial point of impact was a runway light stanchion located about 1,800 feet from the runway threshold," said Senior Air Safety Investigator Dan Baker. "The airplane subsequently impacted trees, two other runway light stanchions and the airport perimeter fence short of the runway threshold before coming to rest near the runway threshold."