A Russian-made Mil Mi-17 helicopter has crashed in Venezuela, killing four out of the five people on board, the Globovision television channel said, quoting the country’s defense authorities.

The aircraft crashed during a training flight near the northern city of San Felipe on Friday, May 19. According to preliminary data, the helicopter lost its tail rotor before the crash, RIA Novosti reported.

The Mi-17 is an export version of the Mi-8 Hip helicopter. It features powerful turboshaft engines and can transport up to 35 people.