Correct answer is... 41277 kg. It is equal to 91000 lbs. Empty weight of Aero Spacelines Pregnant Guppy is total weight of the airframe, engine, avionics and all other systems installed by manufacturer. It is higher weight then empty speed of other aircrafts of a similar size. Average is about 16549 kg (36485 lbs).
The biggest civil aircraft has empty weight of 250,000 kg (628,000 lb), so Aero Spacelines Pregnant Guppy has 17% percent of it's weight. Typical jet airliner has about 39,500 kg (87,100 lb), so in the comparision Aero Spacelines Pregnant Guppy has 104% of aircrafts like B737 or A320.
Disclaimer: Our articles and data connected to empty weight of Aero Spacelines Pregnant Guppy are based on public data from various sources. We are very picky to select an reliable data providers, but we cannot guarantee that everything is 100% error-proof. We recommend for any serious purpose - as a rule of thumb - to request offical data about empty weight from manufacturer of Aero Spacelines Pregnant Guppy.