IFD5XX Installation Manual
600-00299-000
Page 21 of 198
Revision: 02
1.6 Software and Hardware Design Assurance Levels
The IFD5XX contains software developed in accordance with DO-178B Level B, C, and D
design assurance levels. The following table lists functions of the IFD5XX system and their
corresponding software design assurance level.
All complex electronic hardware devices were developed in compliance with DO-254 Level
B.
Component
Function
DO-178B Design
Assurance Level
IFD5XX
Traffic
D
Lightning
D
Digital Moving Map
(not including Terrain)
C
Terrain Alerting
C
Wx Datalink
D
FMS
B
VHF Communication
C
VHF Navigation
C
GPS Navigation
B
Checklist
C
Fuel Display
C
Charts
C
Timers/Schedulers
D
Calculators
D
Summary of Contents for IFD540
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