undulating light

undulating light

[′ən·jə‚lād·iŋ ′līt]

(navigation)

A continuously luminous light which alternately increases and decreases in brightness in cyclic sequence; the expression is applied primarily to aeronautical lights, the marine light equivalent being fixed and flashing light.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

undulating light

A continuously luminous light that alternately increases and decreases in brightness in a cyclic sequence. The expression is applied primarily to aeronautical lights.

An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved