Mooney M20M, Pilot Operating Handbook

Page: 273 / 377

GI 275 Part 23 AML STC
190-02246-12 Rev. 4
Airplane Flight Manual Supplement Page 33 of 70
FAA APPROVED
3.2.4 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 ADI

Loss of glideslope/glidepath information on ADI

Loss of bearing pointer on HSI
1. Select alternate navigation source or refer directly to external
navigation data.
3.2.5 Synthetic Vision Malfunction
If the synthetic vision depiction is known or suspected to be inaccurate or
malfunctioning:
1. Turn off synthetic terrain using the Menu → Options → Terrain SVT
menu on the ADI.
3.2.6 Electrical Load Shedding
The following equipment is considered non-essential. If it becomes necessary to
reduce electrical load (for example, during loss of generators or alternators),
power to these units may be removed in the order listed.
1. MFD circuit breaker(s) [if installed and not configured as standby ADI] –
PULL
NOTE
Any non-required displays on the co-pilot side may also be
powered off.
3.2.7 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

200 KTAS or less
CAUTION
Exceeding these values may delay or prevent AHRS alignment.