The accident occurred at sea as the aircraft, which was chartered by a Mexican foundation helping seriously burned children, was approaching Galveston, near Houston, Texas.
Of the eight people on board the aircraft, five died and two are still alive, said the Mexican Navy, which had previously reported the deaths of two people.
One person is still “not located”, while the search by the United States Coast Guard continues, added the institution.
The Mexican Ministry of Foreign Affairs deplored the accident and provided support to the families of the victims on the social network X.
According to the Flight Radar website, the plane took off from Mérida airport, in the Mexican state of Yucatán (southeast) at 6:46 p.m. GMT. Its signal was lost at 9:01 p.m. GMT over Galveston Bay, near Scholes International Airport.
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