Originally Posted by eaglefly

The "correction" only extended the outer boots from 7.5 to 12.5% of chord, but the ice accretion of this wing design demonstrated ice can accrete significantly beyond 12.5%. It was a "band-aid" fix, especially considering this wing design's suseptibility to hinge-moment reversal when ice ridges form on the front upper section of the outer wing.

The problem was well know prior to Roselawn, but nobody faced it until they couldn't deny it any longer. Great bird for Florida and the Carribean though as it can haul a good load and has good cargo hauling capability.