Mooney M20M, Pilot Operating Handbook

Page: 262 / 377

GI 275 Part 23 AML STC
190-02246-12 Rev. 4
Airplane Flight Manual Supplement Page 22 of 70
FAA APPROVED
Kinds of Operations
Unless placarded as limited to VFR only operations, equipment installed in a
certified aircraft is approved for Day and Night / VFR and IFR operations in
accordance with 14 Code of Federal Regulations Part 91, Part 121, and Part 135
when appropriately maintained.
The table below lists the minimum fully functional equipment required for
operation of the GI 275.
* Connected to GI 275 ADI
** Connected to GI 275 ADI or the GI 275 HSI/MFD as a Standby ADI
Figure 1- Minimum GI 275 Flight Instrument System when installed with a GI 275 Standby
ADI
* Either the original flight instruments with a turn rate indicator or the original flight instruments
with a third attitude source must be installed as standbys for IFR flight.
Figure 2- Minimum GI 275 Instrument System when installed with non-GI 275, supporting
Standby Instruments
Equipment
Number
installed
VFR IFR
GI 275 ADI 1 1 1
GI 275 HSI/MFD as Standby ADI 1 0 1
GMU 11 or 44B Magnetometer 1* 0 1*
Reversion Backup Switch 1* 0 1*
GPS/SBAS Navigator or VFR GPS antenna 1** 1 1**
Non-stabilized Magnetic Compass 1 1 1
Equipment
Number
installed
VFR IFR
GI 275 ADI 1 1 1
GMU 11 or 44B Magnetometer 1 0 1
GPS/SBAS Navigator or VFR GPS antenna 1 1 1
Non-stabilized Magnetic Compass 1 1 1
Original flight instruments w/ turn rate
indicator*
0 or 1 0 0 or 1
Original flight instruments w/ third attitude
source*
0 or 1 0 0 or 1