David Lesher wrote:
During the Berlin Airlift, a C-47 took off with a full load of
X sheets of Perforated Aluminum Planking, for extending the destination
runway.

Turned out it was X sheets, but Perforated STEEL Planking....
and it still flew..

I don't think you can get a C-47 overgross. I do know you can get it
out of cg. I've seen one spin. It's a fascinating sight.

Michael