Sling TSi Avionics: G3X + GNX 375 IFR Panel Plan

Designing a future-proof Garmin G3X Touch & GNX 375 avionics panel for our Sling TSi kitplane—discover the layout, wiring strategy, and gear choices that will make this four-seat rocket IFR-ready.

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About this episode
Part 6 of the “Sling TSi Build Assist” playlist dives deep into panel design, switch positioning, and wiring harness planning with Errol from Global Aviation Products (Australia). We compare Garmin options (G3X Touch, GNX 375, G5 backup), map out circuit protection, and share lessons learned from other high-time Sling builders.

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Build-Assist Playlist ►    • Sling TSI Build Assist  

✈️ Need hands-on help?
Global Aviation Products Build-Assist ► https://gap.aero/

📑 Chapters
00:00 Introduction
01:04 Panel Example (template)
01:48 Propellor Options
02:22 Panel layout options
03:12 RAM Mount system
03:48 Garmin GSB15
10:25 Garmin G5
12:45 Fuel Pumps
13:50 ECU Override switch
16:04 Colour coding panel
17:15 Panel covering & lighting options
19:35 Garmin GTR205 & GMA 245
23:47 Garmin GNX375
26:35 Garmin Autopilot GMC 507
27:50 Go Around Switch
28:30 Warning Lights
29:40 Heated Pitot Tube
30:10 External Alternator
30:45 Garmin Back-up battery
30:10 G5 Back-up

🛠️ Parts & Tools Mentioned
Garmin G3X Touch 10.6” PFD

Garmin GNX 375 GPS/COM/NAV

Garmin G5 backup display

Garmin GAD 27 & GEA 24 interface modules


🗨️ Join the conversation
What would you add—or move—on this panel? Drop your ideas in the comments!

#SlingTSi #GarminG3X #AvionicsDesign #KitplaneBuild #ExperimentalAircraft #GNX375 #IFRPanel #AircraftWiring #BuildAssist #GlobalAviationProducts