[expatpat]

I think you're right (although, to be fair, I think the govt. is worried about a small plane being loaded with explosives). My local base airport is in the DC Air Defence Identification Zone, and its a pain to fly out or in. No longer can I just pop in the plane and take off with complete freedom.

[snopercod]

I think the govt. is worried about a small plane being loaded with explosives.

And the useful load of a C-150 is?