gravity-induced loss of consciousness

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gravity-induced loss of consciousness

Abbreviation: GLOC
The loss of consciousness due to positive gravity (G) forces. Certain aviation maneuvers produce increased downward force (that is, positive G) that is measured as a multiple of the gravitational constant. When these forces are of sufficient intensity, blood flow to the brain is diminished, which, if continued, leads to unconsciousness.
See also: loss
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References in periodicals archive ?
You have a limit, everyone does, and each year GLOC kills pilots and destroys aircraft as a result.
The AGSM is your best defense against GLOC, but the majority of GLOC events in the last 5 years resulted from an inadequate strain.
595th also oversaw the implementation of 614 new Container Asset RFID tags and ensured the proper transport of 644 pieces of cargo from Kuwait to Iraq for further movement up the GLOC.
The enemy's main choice of weapons in my AO are IEDs along the GLOC.
As maneuver operations continued, it became clear that the GLOC could not be secured on a consistent basis.
We lost an F-16 following a GLOC, and trashed an engine with a birdstrike.
The accident board believed the G tolerance of the pilot and WSO was impaired due to little recent high-G exposure, rendering them more susceptible to GLOC.
The affirmation of the ratings of GLOC and GGIL reflect GHL's stable leverage position and consolidated balance sheet strength, favorable operating results and premium growth for the past several years.
For future operations, the 595th will continue OEF deployments and redeployments and the responsible drawdown of the Iraqi theater of operations by expanding the operations at the Port of Umm Qasr, Iraq, and Port of Aqaba, Jordan; expanding the Ground Lines of Communications with Jordan and Turkey; and providing enhanced ITV on the Pakistan GLOC.
As you examine our battlespace you'll understand that although we have a handful of border crossing points coming in, there is currently only one GLOC [ground line of communication] out.