brownout


The Army will test a new system designed to lessen the worst danger military helicopter crews and their passengers have faced during the wars in Iraq and Afghanistan — blinding sand, dust or snow that can cause pilots to get disoriented and crash.

Sierra Nevada Corp. thinks its Helicopter Autonomous Landing System (HALS), which the Army will test in five UH-60L Black Hawk helicopters in Afghanistan for a year, may be a giant step toward conquering what’s often called “brownout,” but is more technically known as Degraded Visual Environment, or DVE. Keep reading →