Safety investigators have removed the helicopter that crashed near Foleyet last week killing its two occupants.  The primary objective of the ongoing investigation is the discovery oftsb-investigation-helicopter-crash-near-foleyet why the Robinson R44 – a respected and reliable design – crashed.  They are also investigating why the Emergency Locator Transmitter, designed to alert rescuers of a downed airplane’s location, was so heavily damaged in the crash that it failed to perform its task.  ELTs are specifically designed to endure heavy impacts.