Agreed. In the past, people have been sucked into the intake of jets on a carrier, I don't think a canvas rain cover is going to be able to block the intake.

Agreed. In the past, people have been sucked into the intake of jets on a carrier, I don't think a canvas rain cover is going to be able to block the intake. At worst maybe it'll scratch up the blades on the way through. Hell, I half expect the covers are designed exactly so they aren't substantial enough to damage the engine if they get sucked in by accident.