Futaba PA-2 Pilot Assist Auto Pilot
Pilot Assist Link (Auto Pilot) For Aircraft Use (Not Helicopters).
When you release the Tx sticks, the PA-2 automatically returns
the aircraft to level flight even if it enters a dangerous state
due to the wind or mistakes by the pilot.
This simplifies training in model aircraft operations.
Power Requirement: 4.8V (NiCd Battery fed via receiver)
Current Drain: 5mA (at 4.8V)
Sensor Diameter: 33mm