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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
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
Aviation obstruction lighting is used to enhance the visibility of structures or fixed obstacles which may conflict with the safe navigation of aircraft. Obstruction lighting is commonly installed on towers, buildings, and even fences located i ...
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.
...
Notes and references
{{Commons category, Overhead wire markers Electric power distribution Aviation safety