Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual 190-01112-10
Rev. 21
Page 51
4.1.2.5 Cutting a New Instrument Hole for G5 Installation
For G5 installations in aircraft approved for VFR-only operation, there may be the need to cut a new instrument
hole.
If it is desired to mount the G5 recessed, refer to Section 4.1.2.6 for instructions and limitations.
In order to satisfy the structural requirements when cutting a new instrument hole in the existing panel, the following
conditions must be met:
1) Modification of the instrument panel must be in accordance with AC 43.13-2B, Chapter 2.
2) The instrument panel must be a minimum of 0.040 inches thick.
3) The dimensions and limitations of the hole must be as shown in Figure 4-13.
4) The new location must satisfy the alignment requirements shown in Figure 4-3, Figure 4-4, and Figure 4-5.
5) There must be at least 0.25 inches between the main instrument hole or the screw holes and any adjacent holes or
the edges of the panel.
6) The instrument panel must be structurally capable of supporting the weight of the installed units.
7) The location of the hole must allow for sufficient clearance for the G5 electrical and pneumatic connections, see
Figure 4-14.
8) The location must be free from rapid thermal transients, in particular, large heat loads from electrical loads.
9) Do not mount the G5 within 1 inch of magnetically mounted antennas, speaker magnets, or other strongly
magnetic items.
Figure 4-13, G5 Instrument Hole Dimensions
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