Final Validation Phase
Completion of structural validation, aerodynamic verification, and system-level testing.
FlyBlocks by RADIATE is a certification-oriented structural UAV platform, providing production-ready VTOL structural airframe systems for professional B2B applications including long-range and endurance-driven missions.
Customers integrate autopilot, avionics, propulsion, and payload. FlyBlocks provides the validated and controlled structural backbone.
This separation allows teams to move directly into system integration and mission deployment, while avoiding the complexity of developing primary structure, aerodynamics, and manufacturing processes from scratch – resulting in reduced structural development risk, shortened time to integration and flight, and a clear and structured pathway toward certification.
The FlyBlocks Lineup offers production-ready VTOL airframes in multiple size classes, built on the same validated structural backbone and scalable design logic. Choose the platform that fits your payload and endurance needs – then integrate your avionics, autopilot, and mission equipment to get to flight faster with reduced structural risk.
FLY-VT30
VTOL | 3.0 m wingspan | ~25–28 kg MTOW | ~5–8 kg payload | ~180 km range
Extended mission platform for higher payload classes and longer operational profiles.
FLY-VT22
VTOL | 2.2 m wingspan | ~12–14 kg MTOW | ~2–3 kg payload | ~150 km rang
Mid-size platform balancing endurance and payload capacity.
FLY-VT14
VTOL | 1.4 m wingspan | ~5 kg MTOW | ~0.6 kg payload | ~100 km range
Compact platform for lightweight sensor missions and high operational flexibility. Optimized for efficiency at a small scale with a minimal footprint.


FlyBlocks features a modular fuselage architecture based on Interchangeable Payload Interface Modules (PIM).
PIMs serve simultaneously as:
This enables adaptation to:
The primary structure, load paths, wings, and tail units remain unchanged. This allows customization without altering core structural elements, reducing the need for repeated structural validation. Detailed primary structural geometry remains controlled to ensure consistency of the validated design and configuration baseline.
FlyBlocks is developed with a certification-oriented engineering approach from the outset.
The platform includes:
A structural substantiation basis is available, reflecting the underlying design, analysis, and validation approach of the platform. The extent and final form of the substantiation depend on the specific mission profile, system configuration, and operational requirements, and can be further refined and provided as part of a dedicated engineering scope, aligned with the specific mission profile and system configuration.
FlyBlocks is not delivered as a fully certified UAV system. Customers remain responsible for system-level integration, testing, and certification. However, the structural foundation significantly reduces the effort required for compliance, validation and certification.
FlyBlocks is built on a controlled CH/EU-based industrial supply chain.
Key characteristics:
All delivered components include traceable documentation and certificates of conformity. This ensures consistent quality, transparency, and industrial repeatability across production units.
WHAT PROBLEM DOES FLYBLOCKS SOLVE?
FlyBlocks removes the need to develop primary structure, aerodynamics, and manufacturing processes, allowing teams to focus on system integration and mission capabilities.
WHAT TYPES OF USE CASES IS FLYBLOCKS SUITABLE FOR?
Professional UAV applications such as inspection, mapping, monitoring, and sensor-based missions requiring VTOL capability and extended range.
CAN FLYBLOCKS BE USED AS A STARTING POINT FOR A FULLY CUSTOM UAV?
Yes. The platform can serve as a baseline for further development, allowing customers to build on an existing structural foundation rather than starting from scratch.
WHAT DO CUSTOMERS INTEGRATE THEMSELVES?
Autopilot, avionics, propulsion configuration, communication systems, and mission payload.
HOW QUICKLY CAN I GET TO FIRST FLIGHT?
Depending on system complexity, customers can move directly into integration and significantly reduce time to first flight compared to developing a full airframe from scratch.
WHY SHOULD I NOT DESIGN THE AIRFRAME MYSELF?
Developing a primary UAV structure requires expertise in aerodynamics, structural design, composite manufacturing, and validation. FlyBlocks provides a validated structural system, reducing development time, complexity, and risk.
WHAT LEVEL OF SUPPORT IS AVAILABLE DURING INTEGRATION?
Support can range from basic integration guidelines to full engineering collaboration, including system layout, structural adaptations, and validation support, depending on project needs.
IS THE PLATFORM SCALABLE TO HIGHER VOLUMES?
Yes. FlyBlocks is designed with industrialization in mind, using controlled manufacturing processes and a defined supply chain to support scalable production.
WHAT DOCUMENTATION IS AVAILABLE?
Integration guidelines, interface definitions, structural and aerodynamic information, and production documentation are provided. Structural substantiation data is available on a platform level and can be further refined for the specific mission and system configuration as part of a dedicated engineering scope.
HOW IS REPRODUCIBILITY ENSURED?
Through standardized architecture, controlled manufacturing processes, and a defined supply chain with traceable materials and documented production steps.
CAN THE AIRFRAME BE CUSTOMIZED?
Yes. Integration areas are flexible, while the primary structure and lifting surfaces remain standardized and controlled.
DO CUSTOMERS RECEIVE FULL CAD DATA OF THE AIRFRAME?
Customers receive all necessary interface definitions and integration-relevant geometry to enable system integration. Detailed CAD data of primary structural components is not provided by default, ensuring consistency of the validated design, protection of intellectual property, and a controlled configuration baseline. Additional data can be shared within defined engineering collaborations where required.
CAN THE PRIMARY STRUCTURE BE MODIFIED?
Modifications to primary structural elements are not recommended within the standard platform scope, as they affect the validated design and may require re-evaluation of structural performance and compliance.
WHO OWNS THE IP OF THE FINAL UAV
FlyBlocks airframe design and structural architecture remain the intellectual property of RADIATE. Customers retain ownership of their integrated systems, payloads, and mission-specific configurations.