Correct answer is... 26036 kg. It is equal to 57400 lbs. Empty weight of Lockheed L-188 Electra 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 9458 kg (20852 lbs).
The biggest civil aircraft has empty weight of 250,000 kg (628,000 lb), so Lockheed L-188 Electra has 10% percent of it's weight. Typical jet airliner has about 39,500 kg (87,100 lb), so in the comparision Lockheed L-188 Electra has 66% of aircrafts like B737 or A320.
Disclaimer: Our articles and data connected to empty weight of Lockheed L-188 Electra 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 L-188 Electra.