Helicopter Rotor Downwash – Excessive wind, FOD and brownouts

What is helicopter rotor downwash? Rotor downwash is a commonly ignored phenomenon that occurs during helicopter hover in close proximity to a ground surface. It has the potential to cause significant damage to nearby vehicles and objects, as well as people. Figure 1 shows the impact of helicopter rotor downwash while hovering over water and […]

PDF] Rotorcraft Downwash Flow Field Study to Understand the Aerodynamics of Helicopter Brownout

What does downwash mean exactly (for a fixed wing vs. for a rotor blade)? - please read the comment below for details - Quora

A package falls out of airplane that is flying horizontally at a

Helicopter Rotor Downwash – Excessive wind, FOD and brownouts, what are the risks? - JJ Ryan Consulting

Vortex Approach for Downwash and Outwash of Tandem Rotors in Ground Effect

PDF] Rotorcraft Downwash Flow Field Study to Understand the Aerodynamics of Helicopter Brownout

A helicopter drops a 50 kg package from rest at a height of 160 m

A package falls out of airplane that is flying horizontally at a

Cool Mission?

Jet blast/prop wash/rotor wash effects and interaction with the environment - Wishlist - Microsoft Flight Simulator Forums

Ground School Lesson 3 - Principles of helicopter flight Flashcards