The task of the project is completed development of  fixed leading edge (the FLE-Fixed Leading Edge) of left and right wing on aircraft KC-390 according to the regulatory requirements for airworthiness Brazil (RBAC 25), equivalent to the US Federal Aviation Regulations (FAR 25) of the Code of Federal Regulations CFR-14, and others. Due to its purpose, the product will also meet specific military regulations MIL-A-83444, MIL-STD-1530C, MIL-STD-7179, MIL-HDBK-1791, MIL-A-8867C and MIL-A-8871. The complexity of this project lies in the multi-purpose design features FLE (part of the development will design and verification development mechanism of control slots, electrical installation and the pneumatic system, de-icing leading edges), while the need to ensure sufficient strength, rigidity and stability wing when stress aerodynamic and other forces and FLE resiliency during a bird strike.


  • AERO Vodochody AEROSPACE, a.s.
  • Výzkumný a zkušební letecký ústav, a.s.

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Project end


Head Investigator

Ing. Vladimír Snop
Strength of structure department, VZLÚ