No subject

Shipping Weight:
The Shipping Weight is the weight of the vehicle as manufactured with optional equipment, but without an allowance for fuel.

Curb Weight:
The vehicle weight without the driver, passengers or cargo. This weight includes all the fluid levels topped up including a full tank of fuel and other items of standard equipment.

http://www.dictionary.com had a listing for curb weight, but not shipping weight:

curb weight (n.):
The weight of a fueled automobile with standard equipment but without cargo or passengers.

Here's where I picked up the weight of gas.  Since I'm not a pilot I didn't know.

http://www.santacruzpl.org/readyref/files/g-l/gasoline.shtml

It would have to take 66 gallons of gasoline or so to make up the 400 pounds.  There's the coolant and oil and such.  How much would that be?

Ken