iv | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.
Glossary
The terminology used in this manual is specific and individual interpretation must not be
introduced. The terms are defined as follows:
Pt Total pressure (pitot)
Qc Differential pressure Pt-Ps
QFE Local atmospheric pressure
QNH Barometric pressure at sea level
ROC Rate of climb
Vc Calibrated velocity
Vt True velocity
+ve Positive
-ve Negative
°C Degrees Celsius
°F Degrees Fahrenheit
Item Description
Adjust To bring to a more satisfactory state; to manipulate controls, levers, linkages,
etc. to return equipment from an out-of-tolerance condition to an in-
tolerance condition.
Align To bring into line; to line up; to bring into precise adjustment, correct relative
position or coincidence.
Assemble To fit and secure together the several parts of; to make or form by combining
parts.
Calibrate To determine accuracy, deviation or variation by special measurement or by
comparison with a standard.
Check Make a comparison of a measure of time, pressure, temperature, resistance,
dimension or other quality with a known figure for that measurement.
Disconnect To detach the connection between; to separate keyed or matched equipment
parts.
Dismantle To take apart to the level of the next smaller unit or down to all removable
parts.
Ensure To confirm that a proper condition exists; to find out with certainty.
Examine To perform a critical visual observation or check for specific conditions; to test
the condition of.
Fit Correctly attach one item to another.
Inspect Review the work carried out by Specialists to ensure it has been performed
satisfactorily.
Abbreviation Description
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