A couple visiting New York City from the Netherlands said they were next in line to board the doomed helicopter that crashed into the Hudson River, killing all six people on board.

The tourist helicopter that crashed into the Hudson River on Thursday afternoon appears to have fallen victim to a well-known hazard known as “mast bumping,” according to aviation experts. Eyewitness video showed the rotors and the body of the helicopter separating in midair.

Siemens executive Agustín Escobar, his wife and three children died when a helicopter crashed into the Hudson River in New York - they had booked the trip to celebrate a family birthday