The Aerosonde® Mark 4.7 small unmanned aircraft system (SUAS) was jointly developed by AAI Unmanned Aircraft Systems, an operating unit of Textron Systems, and Aerosonde. The UAS is suitable for use in long-endurance missions.

The unmanned air system can be launched from land- and ship-based platforms to conduct intelligence, surveillance and reconnaissance (ISR) missions, and covert maritime missions as well as communication relay.

The Aerosonde® Mark 4.7 series SUAS was first unveiled in March 2009. It was offered by AAI for the US Navy and Marine Corps’ joint Small Tactical Unmanned Aircraft System (STUAS)/Tier II competition in July 2009.

The SUAS, powered by Lycoming Engines’ new EL-005 multi-fuel engine, achieved 10,000 combat flight hours during its deployment by the US Department of Defense customers in Afghanistan by April 2014.

The Aerosonde SUAS fleet also includes Mark 4.4 and Mark 5.0.

PDF Datasheet 

General characteristics

  • Crew: None
  • Length: 5 ft 8 in (1.7 m)
  • Wingspan: 9 ft 8 in (2.9 m)
  • Height: 2 ft 0 in (0.60 m)
  • Wing area: 6.1 ft² (0.57 m²)
  • Empty: lb (10 kg)
  • Loaded: 28.9 lb (13.1 kg)
  • Maximum take-off: lb (13.1 kg)
  • Powerplant: Modified Enya R120 model aircraft engine, 1.74 hp (1280 W)

Lycoming El-005 Multi Fuel power plant


  • Maximum speed: 45 mph (72 km/h)
  • Range: 100 miles (150 km)
  • Service ceiling: 15,000 ft (4,500 m)
  • Rate of climb: ft/min ( m/min)
  • Wing loading: 5 lb/ft² (23 kg/m²)
  • Power/Mass: 0.06 hp/lb (98 W/kg)

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