DA 42 AFM General
Doc. No. 7.01.05-E Rev. 8 15-Dec-2017 Page 1 - 11
Density Altitude:
Altitude in ISA conditions at which the air density is equal to the current
air density.
Indicated Pressure Altitude:
Altitude reading with altimeter set to 1,013.25 hPa (29.92 inHg).
Pressure Altitude:
Altitude indicated by a barometric altimeter, which is set to 1,013.25 hPa
(29.92 inHg). The Pressure Altitude is the Indicated Pressure Altitude
corrected for installation and instrument errors.
In this Airplane Flight Manual altimeter instrument errors are regarded
as zero.
Wind: The wind speeds which are shown as variables in the diagrams in this
manual should be regarded as headwind or tailwind components of the
measured wind.
(c) Flight Performance and Flight Planning
AGL: Above Ground Level.
Demonstrated Crosswind Component:
The speed of the crosswind component at which adequate
maneuverability for take-off and landing has been demonstrated during
type certification.
MET: Weather, weather advice.
NAV: Navigation, route planning.
RoC: Rate of Climb.
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