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Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
3L -- The pressure altitude and the barometric (baro) setting are
D
displayed on this line in small characters except when entered by the
pilot. Pressure altitude is displayed in the following priority order:
— Pilot--entered value (large characters)
— Calculated from entered elevation
— Calculated from database elevation
— Sensed pressure altitude
— Calculated from sensed elevation
— Prompts.
The baro set (setting) is displayed in the following priority order:
— Pilot--entered value (large characters)
— Air data computer (ADC) value
— 29.92.
The baro set is displayed in inches of mercury or millibars. The last
entered pilot values are displayed for pilot entered values. The form
used on the primary flight display is displayed for the sensed values.
The default is set in inches of mercury.
The pilot enters elevation or pressure altitude and/or baro set. When
an entry is made, the value not entered is calculated from the
entered value. For example, when the pilot enters an elevation, the
pressure altitude is calculated. When the pilot enters a pressure
altitude, the elevation is calculated. When the pilot enters a baro set,
the parameter being calculated is recalculated. When the pilot
enters a baro set when both sensed pressure altitude and sensed
baro altitude are displayed, pressure altitude is calculated based on
the entered baro set and the elevation is displayed.
Entering *DELETE* removes any pilot--entry of both pressure
altitude and baro set and the highest priority value is displayed.
A28- - 1146- - 181
REV 3 Mar 2009
Honeywell International Inc. Do not copy without express permission of Honeywell.
Performance
5-29
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