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89000046-014
KSN 780/8XX/900 AeroNav AML STC Installation Manual for Helicopters
Rev 0
Page 1-10
© Honeywell International Inc. Do not copy without express permission of Honeywell.
Component
Function
DO-178B Design
Assurance Level
GPS Navigation
B
Checklist
C
Fuel Display
C
Charts
(N/A for AeroNav 880/905/780)
C
Timers/Schedulers
C
Calculators
C
Maintenance Mode
D
Airborne Weather Radar
C
Display of External Video
C
Data to ADS-B Out
C
Table 22 DO-178B Software Design Assurance Levels
1.8 Environmental Qualification Forms
The environmental Qualification for the AeroNav XXX is listed in Appendix A: Environmental
Note:
If the AeroNav XXX has been exposed to extreme cold temperature prior to start, it may take a
warm up period to achieve standard performance.
1.9 Databases
The AeroNav XXX utilizes several databases. All the databases can be loaded on the AeroNav using
the USB port on the AeroNav. Reference the AeroNav 800/780 Series Pilot's Guide or AeroNav
900/880 Series Pilot's Guide for updating the AeroNav XXX databases.
1.10 Fault Detection and Exclusion (FDE)
FDE software is part of all AeroNav XXX systems and does not require any installer or pilot action to
operate. This FDE software is running at all times and if it detects an issue, it will alert the pilot
through Caution-Alerting System (CAS) messages.
When the AeroNav XXX is installed per the directions in this Installation Manual, it complies with the
governing requirements for GPS Primary Means of Navigation in Oceanic and Remote Airspace (more
than 200 nm from the nearest airport), when used with any commercially available RAIM/FDE
Prediction Program. Examples of these prediction programs include the FAA’s raimprediction.net,
Fltplan.com, www.sapt.faa.gov, and the Garmin FDE Prediction Program.
These programs only need to be run under the following scenarios for 14 CFR Parts 91, 121, 125, and
135 operations where the AeroNav XXX is being used as the primary means of navigation and:
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