Besides the fact that helicopters are inherently less safe than fixed wing aircraft, they also tend to operate nearer to the ground giving pilots less time to react when something goes wrong. The other services also have relatively frequent rotary wing accidents, but the Army has a lot more helicopters and this more accidents.
sagaxwiki t1_je9k50b wrote
Reply to comment by CatLords in 2 Blackhawk helicopters with 101st Airborne Division crash, status of crew members unknown | CNN by 5xad0w
Besides the fact that helicopters are inherently less safe than fixed wing aircraft, they also tend to operate nearer to the ground giving pilots less time to react when something goes wrong. The other services also have relatively frequent rotary wing accidents, but the Army has a lot more helicopters and this more accidents.