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Overhead wire markers are safety instruments applied to the Marking of Army airfield-heliport operational and maintenance facilities - 7-9 Markers
page 7-6 Markers are often installed on overhead lines near airfields, or at river crossings where there is a possibility of float-equipped aircraft using the river. Some markers contain conductor marking lights or strobe lights to improve visibility at night or in fog.
overhead power line
An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy across large distances. It consists of one or more uninsulated electrical cables (commonly multiples of three for three-p ...
s marking transmission lines and ropeways along the flight path during the day.page 7-6 Markers are often installed on overhead lines near airfields, or at river crossings where there is a possibility of float-equipped aircraft using the river. Some markers contain conductor marking lights or strobe lights to improve visibility at night or in fog.
See also
*Balisor
Balisor is a system of illuminated beacons for high voltage power lines using a cold-cathode low-pressure neon lamp,David F. Rider '' Jane's airport equipment fifth edition'', Jane's Pub. Co., 1986 page 92 used as an aircraft warning light.
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Notes and references
{{Commons category, Overhead wire markers Electric power distribution Aviation safety