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dh
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DH
Enthalpy
Enthalpy is a measure of energy in a thermodynamic system. It includes the internal energy, which is the energy required to create a system, and the amount of energy required to make room for it by displacing its environment and establishing its volume and pressure.
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dh (das heißt)
i.e., id est; that is to say (Latin)
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Decision Height (DH)
With respect to the operation of aircraft, means the height at which a decision must be made, during an Instrument Landing System (ILS) or Precision Approach Radar (PAR) instrument approach, to either continue the approach or to execute a missed approach. (14CFR1)
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DH
Decision Height
Source: U.S. Department of Transportation, Federal Aviation Administration (FAA).
| FAA Pilot/Controller Glossary | Download this dictionary |
DH
[ICAO]
(See ICAO Term DECISION ALTITUDE/ DECISION HEIGHT.)
(See ICAO Term DECISION ALTITUDE/ DECISION HEIGHT.)
(See DECISION HEIGHT.)
Source: U.S. Department of Transportation, Federal Aviation Administration (FAA).
