ULTRA – Air Vehicle
Capable of carrying a payload of
100kg up
to 1,000km
The ULTRA (Unmanned Low-cost TRAnsport) platform was developed by Windracers in collaboration with a team at Southampton University, in response to the need for a new type of light cargo drone.
Our vision was to develop a robust and cost-effective drone capable of addressing the challenging logistics problems associated with delivering essential airmail and parcels efficiently to people who needed them in a timely fashion.
ULTRA is capable of carrying a payload of 100kg up to 1000km and is designed in line with our Zero Single Point of Failure philosophy to rigorously eliminate all risk including avionics, communications and ground control.

Key features
1 | Nominal range | 1000km (options available for longer range) |
2 | Nominal payload | 100kg (options available for higher payload) |
3 | Internal payload | 700L volume |
4 | Take off and landing | 150m |
5 | Structural materials | 95% aluminium |
6 | Control units | 6 independent actuator/control units |
7 | Engine | 2 four stroke EFI engines (Capable of running on bioethanol and synthetic fuels) |
8 | CO2 output | 30% less CO2 output per kg of payload (compared to a comparable manned aircraft) |
9 | Precision airdrop | 10m x 10m |



Autopilot by Distributed Avionics
The challenge facing the Windracers design team was to find affordable but nevertheless extremely robust flight control solution that adheres to our rigorous design philosophy. There was no technology in the market that lived up to our standards, so we established a new company to design and build our own autopilot system.
Masterless™ is an entirely new architecture that has been developed and patented by our sister company Distributed Avionics, in response to this challenge, providing best in class autopilot technology for drones in the world. For more information visit Distributed Avionics.