TCH

(redirected from Threshold Crossing Height)
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AcronymDefinition
TCHThe Community House (various locations)
TCHTraditional Chinese Herb
TCHTri-County Hospital (Wadena, MN)
TCHTai Chi for Health (fitness program)
TCHTrans-Canada Highway
TCHTexas Children's Hospital (Houston, TX)
TCHToronto Community Housing (Canada)
TCHType Certificate Holder (airworthiness)
TCHThe Children's Hospital
TCHTraffic Channel
TCHTurbo C Help
TCHTransfer Channel
TCHToyota Camry Hybrid
TCHThomas Crosbie Holdings (Ireland)
TCHTahlequah City Hospital (Tahlequah, OK)
TCHThreshold Crossing Height
TCHTransportation Clearing House (Ogden, UT)
TCHThe Centers for Habilitation (Arizona)
TCHTons Cane per Hectare (sugar cane industry)
TCHTerm Credit Hour (various unviersities)
TCHTraining Contact Hour (various organization)
TCHTransmission, Converter, Hydraulic (tractors)
TCHTwin City Hardware (est. 1883)
TCHTaurocholic Acid (treatment of certain STDs)
TCHTransmit Channel
TCHTaxotere, Carboplatin, and Herceptin (cancer treatment)
TCHTotal Control Hub (3Com/Ascend rack modem product)
TCHThe Culture House (Olathe, KS)
TCHTransparent Circuit Handling
TCHTri-County Health System
TCHBorland help file extension
TCHTransverse Compound Hybrid Method (Method)
TCHTerror Clan Holland (Soldier Of Fortune 2 gaming clan)
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References in periodicals archive ?
Advisory glidepath guidance can be generated by some avionics systems based on the vertical descent angle (VDA) published for the procedure, which is the angle between the final approach fix at its crossing altitude and the runway at its threshold crossing height. This type of vertical guidance allows pilots to descend at a constant angle, such as with LNAV+V approaches, and provides a more stabilized approach than the traditional dive-n-drive method.
The glideslope antenna is usually sited some 750 to 1250 feet from the approach end of the runway, and its signal nominally provides a 55-foot-high threshold crossing height.
AeroNav shows the minimum altitude at KNOLL right next to the fix, which they simply label as the "OM." Jepp includes the database waypoint "MA34" (missed approach fix for Runway 34), under the label for XOPYU, with which it is collocated, and clearly indicates the localizer MAP with an "M." Jepp provides the threshold crossing height (56 feet) and repeats the threshold elevation (1143) at the runway depiction, and puts the glideslope angle in the speed/time table.
In the last case, Jeppesen will calculate and supply the VDA based on crossing restrictions and the threshold crossing height.