Modular, Roadable Casualty Evacuation and Cargo Resupply Aircraft

The Black Knight Transformer’s patented technology is a first-of-its-kind in vertical takeoff and landing aircraft. The vehicle design is highly modular for a wide variety of payloads including a ground drive-train unit that allows it drive like an automobile.




Black Knight Transformer


The Advanced Tactics Black Knight Transformer is a multi-engine rotorcraft drawing inspiration from small electric “multicopters” that have become popular in the last decade. Unlike the small electric versions, the Black Knight is a full scale aircraft with a significant payload and range capability. The vehicle also has a fully independent ground drivetrain that provides it with off-road driving capabilities so that it can reach any destination, whether a suitable landing zone is available or not.


The Black Knight Transformer has been under development since 2010. Prior to development, the feasibility of the design was studied by the U.S. Army Aeroflightdynamics Directorate and NASA Ames. Significant core research, concept design, component development, and testing was completed as the basis for a full-scale prototype demonstrator that is currently undergoing testing. The image to the right shows the 2,000 lbs “Mini-Knight” prototype flown in June 2012. An operational concept version of this aircraft can carry modular cargo pods over short distances.

Black Knight Transformer
Black Knight Transformer

Missions and Capabilities: Casualty Evacuation

The Black Knight Transformer is the world’s first roadable vertical takeoff and landing vehicle. This capability provides it with a new set of missions that could not previously be performed. As a rescue platform, the vehicle can land in a safe landing zone and then drive to a casualty so that he does not have to be carried.

Missions and Capabilities: Cargo Resupply

For cargo resupply missions, the vehicle can again land in a safe landing zone and drive to its final destination, even if that destination is otherwise inaccessible to ground vehicles. The driving capability is modular and can be removed to provide the aircraft with a significantly increased payload capacity. Alternatively, the ground drivetrain can be replaced with helicopter wheels/skids or a boat hull to offer different mission capabilities.

Black Knight Transformer
Black Knight TransformerBlack Knight Transformer

Prototype Demonstrator

A large scale prototype demonstrator is currently under development and shown in the image to the right. The demonstrator is a 4,400 lb vehicle with VTOL flight capabilities and ground driving capabilities. The vehicle specifications are shown in the table below.

Black Knight Transformer
Prototype Demonstrator Specifications
Length (flight config.)31.0 ft9.5 m
Width (flight config.)19.0 ft5.8 m
Height8.0 ft2.5 m
Length (stowed config.)25.0 ft7.6 m
Width (stowed config.)8.5 ft2.6 m
Gross Weight4,400 lb1,995 kg
Estimated Performance
Service Ceiling10,000 ft3,050 m
Ground Driving Speed70 mph112 km/h


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