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Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
Required Navigation Performance (RNP)
The required navigation performance (RNP) page, shown in Figure 8--7,
is accessed from PROGRESS 2/3 page and is used to review and/or
make changes to the RNP value used for each of the different phases of
flight. A manual override RNP value is entered on this page.
The following line select keys correspond to the associated definitions
on the RNP page.
1L -- This line shows the manual override RNP value. When one does
D
not exist, entry prompts are displayed. Entry of a new RNP value is
permitted. When the new RNP value is greater than the required RNP
for the current phase of flight, the value is displayed in reverse video
and is not accepted until the pilot confirms the entry. Entry of DELETE
clears the manual override RNP value.
2L, 3L, 1R, 2R and 3R -- These lines show the default RNP values
D
for each of the phases of flight in small characters. The pilot
manually enters new RNP values displayed in large characters.
Entry of DELETE returns the default value.
6L -- When the pilot enters a manual override RNP value, selection
D
of the NO prompt returns the manual override RNP to the original
value.
A28- - 1146- - 181
REV 3 Mar 2009
Honeywell International Inc. Do not copy without express permission of Honeywell.
Figure 8- -7
RNP 1/1 Page
01415.05
Progress
8-9
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