Patent ID: 6969027

Claim:
A vertical takeoff and landing apparatus comprising: an airframe having an upper surface for supporting an aircraft operator, a propulsion device, comprising a turbine and a propeller connected to said turbine by a shaft, for generating propulsive force in a vertically upward direction, and a side wall surface surrounding said propulsion device, said side wall surface defining a periphery; an air intake port having a plurality of divided air intake port sections formed on said side wall surface of said airframe at locations spaced about said periphery and below the upper surface; a duct part connecting said air intake port sections and said propulsion device with one another, thereby providing external air to said propeller; a plurality of shutter parts each provided at a corresponding one of said air intake port sections for adjusting an amount of air flowing therein; and a control unit for variably adjusting the degree of opening of each of said shutter parts in accordance with an operation of a control stick.