helicopter means a heavier-than-air aircraft supported in flight chiefly by the reactions of the air on one or more power-driven rotors on substantially vertical axis;
helicopter means a heavier-than-air aircraft supported in flight chiefly by the reactions of the air on one or more powerdriven rotors on substantially vertical axes;
helicopter means a helicopter as defined in regulation 1.3 of the Air Navigation Regulations, 1976, as amended;
Examples of helicopter in a sentence
Xxx, Xxxxxxx X., and Xxxxxx, Xxxx X., “Design and Manufacturing Efficiencies Through Modeling and Simulation in IPPD,” presented at the American Helicopter Society 55th Annual Forum, Montréal, Quebec, Canada, 25-27 May 1999.
More Definitions of helicopter
helicopter means a rotorcraft that, for its horizontal motion, depends principally on its engine-driven rotors.
helicopter means a heavier-than-air aircraft supported in flight mainly by the reactions of the air on one or more power-driven rotors on substantially vertical axes;
helicopter means a heavier-than-air aircraft supported in flight by the reaction of the air on one or more normally power-driven rotors on substantially vertical axes.
helicopter or "aerial spinner" means a tube containing no more than twenty grams of chemical composition with a propeller or blade attached that spins rapidly as it rises into the air with a visible or audible effect sometimes produced at or near the height of flight;
helicopter means a heavier-than-air machine (other than those used in military, customs or police services) supported in flight chiefly by the reactions of the air on one or more power-driven rotors on substantially vertical axes and which is type certified by the competent aviation authority to transport-
helicopter means a heavier-than-air aircraft that depends principally for its support in flight on the lift generated by one or more rotors.
helicopter means any rotary winged aircraft (which is capable of hovering, vertical and horizontal flight, in any direction), contracted from time to time by a Sharer for use in accordance with its Relevant Helicopter Agreement.