airport obstruction charts

airport obstruction charts (OC)

An airport obstruction chart is a 1:12,000-scale graph depicting objects affecting navigable surfaces, aircraft movement and apron areas, navigational aids, prominent airport buildings, and a selection of roads and other plainmeteric details in the airport vicinity. Also included are tabulations of runway and other operational areas.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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