Fuel & Weight
Old LSO had the wingtip tanks that could take 45l a side, empty weight before the 550 she was about 2350lbs. She could take 1+4 (Std. weigts: male 205lbs, Female 165lbs, crew 190lbs) with 140lbs of baggage with enought fuel (260l) for eros-mokuti-eros legal. You must have 30l a side in the tips if your weight is over 3510lbs for the C/G. She also used to be good out of short fields with the extra bit of wing.