MODEL 520
Price.................No. 1 to 39 $45,000 No. 40 & up $66,000
Years Built...................................... 1951 - 1954
Serial No. Range......................................1 - 150
Total Built...............................................150
Power Plant...............................Lycoming GO-435-C2B
Rating.....................................260hp @ 3400 RPM
Fuel, octane - capacity (Gal)...................91/96 - 145
Fuel Consumption GPH...................................13.5
Propeller..........................90" 2&3-blade, 84" 3-blade
Weight (lb), empty - gross........................3800 - 5700

Dimensions :
Wing span (Inches) - area (Sq ft)............528.75 - 242.5
Fuselage length - height (Inches).............410.5 - 168.5
Volume, cabin - baggage area (Cubic feet)..........146 - 32
Seats ................................................5 - 7
Performance:
Takeoff over 50' obstacle...............................950
Landing over 50' obstacle...............................860
Service ceiling (feet)...............................24,000
Single-engine ceiling.................................8,700
Maximum range (miles).................................1,150
Cruising speed (70% @10,000 ft).........................197
Takeoff - landing speed.............................82 - 77
Best rate-of-climb......................................140