Sporty's Pilot Shop offers the Robotow, a lightweight, electric towbar designed so one person can move an airplane in and out of a hangar. The Heavy Duty model features a 28v battery that is powerful enough to move heavy twins such as an Aztec, Baron, or Cessna 421. Its cordless design requires no electrical outlet, and its friction drum is held against the airplane's nose wheel to move the airplane. A pistol-grip handle allows for precise speed control, and the Robotow can change from push to pull with the flip of a switch. It weighing less than 30 pounds and measures 48 inches long by 12 inches wide. It comes with battery and battery charger and requires the use of aircraft-specific axle adapters. For more information call (800) SPORTYS or visit www.sportys.com.