In article ,
Phil Nelson wrote:
I just got email from a guy who checked a 90+ pound military boatanchor as a
piece of LUGGAGE on a flight from the UK to the US. This was some time ago,
so apparently he wasn't charged for the extra weight.

You should see what I've taken as "carry on" luggage on an AMTRAK train!
Shop the bargain fares and a round-trip ticket can be less than shipping
for a medium serious boat-anchor.

I've "shipped" two R-390s that way.