emergency ceiling

emergency ceiling

The highest altitude for multiengine aircraft at which the rate of climb is 50 ft/min with one engine throttled back fully. Also called a usable ceiling.
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Tenders are invited for Upgradation Of Gpra Bldg At Bharat Nagar Bhopal Sh Supply Of Energy Conservation Emergency Ceiling Fixture
because of the state of emergency ceilings are in the original part of the building of the proposed new ceilings.
"The mortality rates we are witnessing are three times the level of emergency ceilings," he said.

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