touch-down zone

touch-down zone

[′təch¦dau̇n ‚zōn]
(navigation)
In air operations, the first 3000 feet (914 meters) of runway beginning at the threshold. Abbreviated TDZ.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Add 50 feet to the touch-down zone elevation (TDZE) and you'll get a threshold-crossing altitude (TCA).
Homemade glideslope: vertical guidance from the FAF to the MAP makes for a smooth approach. You can get it from a high-end GPS or a simple spreadsheet
The figure included 230 inset runway centreline lights; 180 runway touch-down zone units; 230 inset runway edge lights; lights; 190 elevated approach lights plus 430 inset taxiway centreline and stop bars lights.
LEDs for BRU: a recent runway renovation at Brussels provided an opportunity to install LED lighting
At Athens International Airport an interesting project started in August 2013, that will renew approximately 24,000[m.sup.2] of the touch-down zone of the take-off and landing runway The contract required the new surface treatment to meet the ICAO friction coefficient of 0.74[micro] for new runways.
Possehl Antiskid: special friction course for operational safety on Athens international Airport

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