GlenMartin Obstruction Wire Markers 
Towers:AluminumSelf-SupportingMonopolesGuyedTelescopingFolding 
 Special Colors

Our standard color is "International Danger Orange" (U.S. Engineer's Spec. 595-121197 or British STD. 381C-1964-No. 557) however, yellow and white are available as an option. In some cases, these colors prove to be more visible, depending on the surrounding terrain. In some circumstances, such as river and canyon crossings, the FAA recommends an alternating pattern of Orange, Yellow, and White.

$11.95 per sphere (other than "Aviation Orange")

 

 
 

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