Helicoptera type of rotorcraft which can be used in congested or isolated areashas a list of deadly crashes by death toll wherein the most number of deaths was 127 in 2002 which happened in Russia using Mil Mi-26 aircraft while the least was 31 in 2005 which was in the United States wherein the aircraft used was Sikorsky CH-53E Super Stallion, USMC.
A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally-spinning rotors. 19 August 2002 127 Russia Mil Mi-26 26 January 2005 31 United States Sikorsky CH-53E Super Stallion, USMC 
