Bump on Herc

[Stafsels]

Hi all,

With the belly landing of the RAF C-130 Hercules:
What does the bump with a sphere(?) at the real, near the backdoor, does?
Some of the Hercules aircraft at the RIAT 2009 were having the same bump

Some counter measures?

Greetings,

Stafsels

[Koen L]

Some counter measures?

Correct. Google 'DIRCM'.