Hand control apparatus for an aircraft usable by a person lackin
Hand operated control
Hand-operated aircraft control system
Hardover protection system for an aircraft
Head up display and pitch generator
Helical vertical path control apparatus for aircraft area naviga
Helicopter collective lever
Helicopter collective stick of the displacement type occupying a
Helicopter control device
Helicopter cyclic stick midposition feel indicator
Helicopter engine speed enhancement during heavy rotor load and
Helicopter force-feel and stability augmentation system with...
Helicopter pylon-fuselage coupling for expanded CG range
Helicopter stick force augmentation null offset compensation
Helium purification system for lighter-than-air aircraft
High accuracy optical position sensing system
High angle of attack aircraft control system utilizing a pseudo
High efficiency vertical tail assembly combined with a variable
High lift system control assembly
High speed aircraft control surface