Propulsive and lifting rotors

Propulsive anti-torque system for rotorcraft

Propulsive thrust ring system

Protective device for a control surface hinge, as for an...

Protective edge members for composite flexures

Protective flexible boot

Protective panel and landing gear module comprising it

Protective skin for aircraft

Pylon mounting system for reducing helicopter vibration

Quick-change wheel landing gear

Quiet tail rotor

Ram air inflatable aerofoil structure

Ramped stiffener and apparatus and method for forming the same

Rear section of an aircraft including an engine mounting...

Recreational flying vehicle

Rectractable landing gear

Reduced amplitude corrugated web spar

Reduced dimension landing gear casing

Reduced stress aircraft propeller blade root structure

Reduced vulnerability device for cycle plates rotor control...