Siemens executive Agustín Escobar, his wife and three children died when a helicopter crashed into the Hudson River in New ...

A former military helicopter pilot says the fatal accident appears to be a result of a "catastrophic mechanical failure." The NTSB is investigating.

It's not really possible to pinpoint an exact metric for every military helicopter, as it would be a generalization at best. It's better to look at some of the more widely utilized helicopters in ...