horizontal danger angle
horizontal danger angle[‚här·ə′zänt·əl ′dān·jər ‚aŋ·gəl]
The maximum or minimum angle between two points on a chart, as observed from a craft, indicating the limit of safe approach to an off-lying danger. Also known as danger angle.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.