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Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
The following line select keys correspond to the associated definitions
on the PERF DATA page 3, shown in Figure 5--11.
1L -- The current or pilot--entered values for P ALT and OAT is
D
displayed at 1L. Data being displayed and the entry of information
is the same as for the PERF DATA pages 1 and 2.
1R -- The DENS ALT associated with the P ALT and OAT displayed
D
at 1L is displayed at 1R. Data being displayed and the entry of
information is the same as for the PERF DATA pages 1 and 2.
2L/2R -- When the cargo HOOK load is > 0, the CATEGORY A
D
CEILING is displayed in reverse video.
3L -- The CATEGORY A CEILING HD (density altitude) for takeoff
D
or landing to a HELIPAD is displayed at 3L. The category A ceiling
density altitude is obtained from Agusta performance tables using
current OAT and gross weight.
When the CATEGORY A CEILING HELIPAD altitude is less than
the DENS ALT (1R), the CATEGORY A CEILING HELIPAD altitude
is displayed in reverse video.
3R -- The CATEGORY A CEILING HD for takeoff to a landing
D
SHORT FLD (area with limited obstacle clearance) is displayed at
3R. The category A ceiling density altitude is obtained from Agusta
performance tables using current OAT and gross weight.
When the CATEGORY A CEILING SHORT FLD altitude is less than
the DENS ALT (1R), the CATEGORY A CEILING SHORT FLD
altitude is displayed in reverse video.
4L -- The CATEGORY A CEILING HD for takeoff or landing to a
D
CLEAR AREA (for example, a runway) is displayed at 4L. The
category A ceiling density altitude is obtained from Agusta
performance tables using the current OAT and gross weight.
When CATEGORY A CEILING CLEAR AREA ceiling is less than
the DENS ALT (1R), the CATEGORY A CEILING CLEAR AREA
altitude is displayed in reverse video.
4R -- The CATEGORY A CEILING HD for when a takeoff is
D
performed requiring the helicopter to BACKUP when ascending is
displayed at 4R. The category A ceiling density altitude is obtained
from Agusta performance tables using current OAT and gross
weight.
When the CATEGORY A CEILING BACKUP altitude is less than the
DENS ALT (1R), the CATEGORY A CEILING BACKUP altitude is
displayed in reverse video.
A28- - 1146- - 181
REV 3 Mar 2009
Honeywell International Inc. Do not copy without express permission of Honeywell.
Performance
5-21
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