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Top Terms > Communication and control > Control > Navigation > Navigational aids > Navigation devices > Obstruction markers > Obstruction lights

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Obstruction lights (Dcnspqm)

Definition
Lights, either one or a group of lights, usually red or white, frequently mounted on a surface structure or natural terrain to warn pilots of the presence of an obstruction. (Source: BTS Transportation Expressions)
Broader Term
Obstruction markers (Dcnspq)
Related Terms (Hierarchical)
Obstruction buoys (Dcnspqb)