Correct answer is... 1945 kg. It is equal to 4289 lbs. Empty weight of Lockheed Model 8 Sirius 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 685 kg (1509 lbs).

The biggest civil aircraft has empty weight of 250,000 kg (628,000 lb), so Lockheed Model 8 Sirius has 1% percent of it's weight. Typical jet airliner has about 39,500 kg (87,100 lb), so in the comparision Lockheed Model 8 Sirius has 5% of aircrafts like B737 or A320.

**Disclaimer:** Our articles and data connected to empty weight of Lockheed Model 8 Sirius 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 Lockheed Model 8 Sirius.

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