• Navigation Data Failure (VOR/LOC/GS)
Navigation data failure may be indicated by any or all of the following:
- Loss of course deviation information on PFD
- Loss of glideslope/glidepath information on PFD
- Loss of bearing pointer on HSI
1. Select alternate navigation source or refer directly to external navigation
data.
• AHRS ALIGN
If an “AHRS ALIGN / Keep Wings Level” annunciation is displayed on the
attitude indicator in flight, limit aircraft operation to:
- ±10º bank
- ±5º pitch
NOTE
For aircraft equipped with optional COM2 / NAV2 radio, a failure of
COM2 will generate a NAV2 failure message on the PFD. This is due to
the fact that the link between both equipment is powered by the COM2
circuit.
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