boundary marker(redirected from Boundary stone)
Also found in: Acronyms.
boundary marker[′bau̇n·drē ‚mär·kər]
A radio transmitter operating at 75 megahertz and installed near the approach end of landing runway (3.9 nautical miles ± 1000 feet, or 7123 ± 305 meters) and approximately on the localizer course line.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
May consist of a wooden stake, surveyor’s marker, or monument located at the points where the perimeter changes directions, as indicated on a plot
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
A marker or inscribed stone that designates some type of boundary; for example, see meridian stone.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
A painted object, such as a cone, disc, or other devices, used to mark the boundary of the surface usable for landing and takeoff of aircraft. The landing area may not have any boundary lights.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved