Comanche was cancelled, and even it was loud and gulped fuel. The "stealth" Blackhawk derivative used in the Bin Laden raid might be quieter, but it definitely

Comanche was cancelled, and even it was loud and gulped fuel. The "stealth" Blackhawk derivative used in the Bin Laden raid might be quieter, but it definitely gulped a ton of fuel. Fuel consumption is just an accepted issue with helicopter technology.