My understanding is that with the U.S.P.S. depending on the size of the parcel, and if there is room on a air parcel flight, packages consigned for and charged at the surface shipping rate will often be sent by air. It is far from predictable though.
Dennis Young No cowboys in Hotaka, Japan
> I had one fellow in Canada who purchased a set of wheels from me and insisted
> to have it sent ground parcel. According to the USPS info, I could have
> expected it to take 4-6 weeks; reality saw it delivered in 6 days for less
> than sending the same package here in the US by priority post. I tried the
> same with a package to Britain and the same happened. It seems that in most
> cases there simply is no sea freight anymore. Australia might be the exception
> however.
> --
> Steven Maasland
> Moorestown, NJ
> --