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AeroMech Incorporated AM-20 (research eVTOL)

AeroMech Incorporated AM-20 virtual eVTOL research vehicle


AM-20 (research eVTOL)
AeroMech Incorporated
Everett, Washington, USA

In 1995, AeroMech Incorporated was founded and is headquartered in Everett, Washington, USA. AeroMech is a Federal Aviation Administration (FAA) Supplemental Type Certificate (STC) Organization Designation Authorization (ODA) company that specializes in airworthiness and aircraft certification, flight testing and provides engineering services to Original Equipment Manufacturers (OEMs), airlines, operators, modification shops and military customers worldwide. AeroMech is actively involved in electric vertical takeoff and landing (eVTOL) aircraft, and electric and hybrid-electric VTOL and fixed-wing aircraft projects around the world.

According the company's website in 2022, AeroMech has completed over 425 flight test programs, certified over 10,000 aircraft with Reduced Vertical Separation Minimum (RVSM) solutions, issued more than 250 FAA Supplemental Type Certificates (STCs) and worked with over 20 different civil aviation authorities.

AeroMech’s current involvement in the eVTOL industry:

  • Member: Vertical Flight Society (VFS), the eVTOL Flight Test Council and the Society of Flight Test Engineers (SFTE).
  • An active participant in working groups involving people from the FAA, NASA and other eVTOL developers.
  • Is actively involved in eVTOL and hybrid-electric aircraft projects, providing technical support in certification, air data system architecture, computational fluid dynamics (CFD) and design & engineering.

The AM-20 is AeroMech's virtual research eVTOL aircraft used to study challenges in certification and flight testing of novel eVTOL aircraft. The aircraft has a canopy over the cockpit with one high main wing. The high main wing has at least two support struts located under each of the front wings and are connected to the fuselage. At the end of each wing is a set of protected propellers, for a grand total of four propellers. Each propeller is powered by an electric motor, for a total of four electric motors. The tail is a combination V-tail with horizontal stabilizers. The landing gear is fixed tricycle wheeled landing gear.

The initial design of the aircraft was made using computational fluid dynamics (CFD) allowing the simulation, quantification and visualization of fluid motion, air flow and temperature. The design also allows engineers to analyze multirotor configurations among other things, on the aircraft.


  • Aircraft type: eVTOL virtual research computational fluid dynamics simulation aircraft
  • Piloting: Computer controlled
  • Capacity: Unknown
  • Cruise speed: Unknown
  • Range: Unlimited
  • Flight time: Unlimited
  • Cruise altitude: Unknown
  • Empty weight: Unknown
  • Propellers: 4 propellers
  • Electric motors: 4 electric motors
  • Power source: Batteries
  • Fuselage: Carbon fiber composite
  • Window: Canopy over cockpit
  • Wing: 1 main high wing
  • Tail: Combination V-tail with horizontal stabilizers
  • Landing gear: Fixed wheeled tricycle landing gear
  • Safety features: Distributed Electric Propulsion (DEP), provides safety through redundancy for its passengers and/or cargo. DEP means having multiple propellers (or ducted fans) and motors on the aircraft so if one or more propellers (ducted fans) or motors fail, the other working propellers (or ducted fans) and motors can safely land the aircraft. There are also redundancies in the sub-systems of the aircraft.

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