The specifications for the prototype Jefferson Jefferson™ described below are preliminary and are subject to change during flight testing.Specifications for later models will include higher speeds and payloads, and a significant increase in dimensions. These will be deferred until flight testing programs on the prototype are completed though.  
 
 

 
   
   
  • Horsepower: 210
  • Seats: 2, side by side
  • Stall speed: low 30s
    		•
    • VTOL payload: 400 lbs.
    • Seats: 4, two rows
  • Top speed: 100+ mph 
    		•
    • STOL payload : 600 lbs.
    • Wingspan: 40 feet
  • Cruise speed: 70 - 90 mph
    		•
    • Conventional payload: 1000 lbs.
    • Length: 33 feet
  • Fuel consumption at cruise:
    10 to 12 gph
    		•
    • Empty weight: 1200 lbs.
    • Height: 13.5 feet