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the DL-900 data loader. The USB memory
device shipping service will still be available for
operators to download the database using
Internet access. The document also offers a
$2,500 trade-in credit for DL-800 and DL-900
(Primus or SPZ-equipped aircraft) through the
end of 2009 when purchasing a new DL-950.
Questions, please contact:
Honeywell Customer Help Desk
US & Canada: (Toll Free) 1-800-601-3099
International: 1-602-365-3099
Honeywell released new
ACDB files that are available
on navigation database disks.
In the May 2009 cycle,
Citation X databases were
replaced with new ones.
These new databases provide
improved step climb
predictions by introducing a
residual rate of climb variable.
The changes are as follows:
• ACDB CX-L2 (FMS will
indicate FMZ 5.1 or
greater)
Affects: 750-0001 thru -
0158, and -0160 thru -
0172, (not incorporating
SB750-71-10)
• ACDB CXIGW-L2 (FMS
will indicate FMZ 5.1 or
greater)
Affects: 750-0160 thru -
0172, (incorporating
B750-71-10), and 750-
0173 and On
Team X reminds operators to
be aware of these changes
since technicians periodically
have to upload the ACDB into
the FMS when an IC-800
Integrated Computer is
replaced. The changes may
also become apparent to a
flight crew if an incorrect
performance prediction is
noted and the new navigation
database disks are utilized.
Questions, please contact:
Team X
1-888-622-4789
citationx@cessna.textron.com
Technical Ops Center FAQs
Honeywell Moving Away from Diskette
Delivery Service
5
Platform Software Version
NZ-2000 5.2 Mod C and higher
IC-800 / IC-615 5.2 Mod C and higher
Note: The following aircraft were not certified for software version 5.2
Mod C that process approaches with a suffix. FMS software versions
have to be 6.0 or higher to obtain approach light illumination with
approaches with a suffix.
• Gulfstream GV
• Falcon 900C
• Falcon 900EX
Primus Epic • Gulfstream – Cert Delta and higher
• Embraer – Load 19 and higher
• Agusta – Phase 4 and higher
• Cessna – Phase 3 and higher
• Hawker H4000 – Load 20 and higher
• Dassault – Phase II and higher
Table 1: FMS software versions that annunciate the approach light when an approach with a suffix has
been selected.
Why when making an approach with a suffix, such as RNAV 31L-Y at KJFK, the APPROACH
light does not illuminate?
This is an issue with NZ-2000 FMS software below software level 5.2 Mod C. When an approach with
a suffix is selected it will be displayed and the system will fly the approach. However, the FMS does not
recognize an approach with a suffix as an approach and the FMS will not perform the RAIM 0.3 test
and will not turn on the approach annunciator light. If you are operating with software level 5.2 Mod C
and higher the system will process approaches with a suffix and will illuminate the approach light when
the approach logic has been meet.
Why are we not able to bring up approaches with a suffix in a Dassault aircraft with a Primus
Epic platform?
The Primus Epic FMS in the Dassault aircraft does not recognize approaches with a suffix and
therefore are not displayed as selectable approaches. This issue is being addressed with Dassault, and
will be fixed with Phase II software.
New Aircraft
Database
(ACDB)
Files 750
(Citation X),
ATA: 34-60
The Polar Keyhole
Submitted by Val Trent, Seattle Global
Express Pilot
What and where is the keyhole and what
do we (as pilots) do about it?
In the Honeywell Flight Management
System, operations are always computed
in “True Course” 100% of the time. If you’re
one of those pilots who know that, count
yourself as one of the relative few.
Transparent to the pilot is a built-in
conversion within the software that makes
all of our operations appear to us in the
cockpit to be magnetic so that we can
operate in an environment with which we
are familiar almost 100% of the time. The
magnetic environment is familiar, common
to all aviation and marine navigation, and
doesn’t change. Right? Well, almost right.
Magnetic variation is constantly changing
but the adjustments for accurate navigation
are transparent to us up front.
As we navigate along, the FMS takes the
course you’ve programmed, looks at its
database and checks the course with the
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