CESSNA
MODEL
2088 (675 SHP)
SECTION 1
GENERAL
SYMBOLS, ABBREVIATIONS AND TERMINOLOGY
(Continued)
METEOROLOGICAL TERMINOLOGY
OAT
Outside Air Temperature
is the free air static
temperature. It may be expressed in either degrees
I
Celsius
("C)
or degrees Fahrenheit ("F).
Pressure
Pressure Altitude
is the altitude read from an altimeter
Altitude when the altimeter's barometric scale has been set to
I
29.92 inches of mercury (inHg) (1013.2 mb).
ISA
International Standard Atmosphere
is an atmosphere
in which:
1.
The air is a perfect dry gas;
2. The temperature at sea level is
15'C;
3. The pressure at sea level is 29.92 inches of
mercury
(inHg) (1013.2 mb);
4.
The temperature gradient from sea level to the
altitude at which the temperature is
-56.5"C is
-1.98"C per 1000 feet.
ENGINE POWER TERMINOLOGY
1
Beta Mode
Beta Mode
is the engine operational mode in which
propeller blade pitch is controlled by the power lever. The
beta mode may be used during ground operations only.
Flameout
Flameout
is the unintentional loss of combustion
chamber flame during operation.
Flat Rated
Flat Rated
denotes constant horsepower over a specific
altitude
and/or temperature.
Gas
Gas Generator RPM
indicates the percent of gas
Generator generator RPM based on a figure of 100% being 37,500
RMP (N,) RPM.
-
~,
GCU
GCU
is the generator control unit.
Hot Start
Hot Start
is an engine start, or attempted start, which
results in an ITT exceeding 1090°C.
ITT
ITT
signifies inter-turbine temperature.
(Continued Next Page)
1
Revision 23 U.S. 1-11
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