How safe are modern attack helicopters from ground fire?

Almost all modern attack helicopter have defense system like radar warning receiver, IR jamming system, chaff & flare dispenser which will help to negate the danger of anti air missiles and fortified hull and rotor blades. read more

20 mm anti aircraft gun. One of the latest US attack helicopter, the AH-64E Apache Guardian also has great protection that its crew compartment and rotor blades are capable to withstand hit from 23 mm round. read more

The only thing that kept more of helos from being shot down (in Viet Nam) was speed and the inexperience of enemy ground forces at shooting at aircraft. Most ground troops would aim directly at the helo and shoot. read more

The U.S. Forest Service has two helicopters they call Firewatch Cobras which are retrofitted Bell AH-1 Cobra attack helicopters. The USFS has them outfitted with infrared sensors so that they can be used for close in intelligence support for ground troops, GIS mapping, real time color video, geo-referenced infrared, and infrared downlink. read more