Diamond DA 42 - Page 30

General DA 42 AFM
Page 1 - 10 Rev. 8 15-Dec-2017 Doc. No. 7.01.05-E
v
S
: Stalling Speed, or the minimum continuous speed at which the airplane is still
controllable in the given configuration.
v
S0
: Stalling Speed, or the minimum continuous speed at which the airplane is still
controllable in the landing configuration.
v
S1
: Stalling Speed, or the minimum continuous speed at which the airplane is still
controllable with flaps and landing gear retracted.
v
SSE
: Minimum Control Speed for Schooling. Minimum speed necessary in case of
one engine intentionally inoperative / idle (training purposes).
v
x
: Best Angle-of-Climb Speed.
v
y
: Best Rate-of-Climb Speed.
v
YSE
: Best Rate of-Climb Speed for one engine inoperative.
(b) Meteorological Terms
ISA: International Standard Atmosphere. Conditions at which air is identified
as an ideal dry gas. The temperature at mean sea level is 15 °C (59 °F),
air pressure at MSL is 1,013.25 hPa (29.92 inHg); the temperature
gradient up to the altitude at which the temperature reaches -56.5 °C
(-69.7 °F) is -0.0065 °C/m (-0.00357 °F/ft), and above this 0 °C/m (0 °F/ft).
MSL: Mean Sea Level.
OAT: Outside Air Temperature.
QNH: Theoretical atmospheric pressure at MSL, calculated from the elevation
of the measuring point above MSL and the actual atmospheric pressure
at the measuring point.