Subject Information

SUBJECT helicopters
TYPE AAT
REFERENCE ID 300212771
NOTES Refers to various heavier than air aircraft characterized by large-diameter, powered, horizontally rotating wings or blades that can lift the craft vertically and sustain their position in the air.
HIERARCHY Objects Facet>Furnishings and Equipment>Transportation Vehicles>vehicles (transportation)>aircraft>heavier than air aircraft>rotary-wing aircraft>helicopters

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