Single-Engine Piston Upgrades
30 avionics upgrades and modifications for cessna 172, piper cherokee, mooney m20, and similar.
ADS-B
4 options
Garmin GTX 345
ADS-B Out transponder with built-in ADS-B In (weather and traffic). 1090ES for high and low altitude. Displays ADS-B traffic and FIS-B weather on compatible displays or ForeFlight via Bluetooth.
uAvionix tailBeaconX
ADS-B Out transponder that replaces the rear position light — no panel space required. 1090ES Mode S with integrated WAAS GPS. The simplest, most affordable ADS-B Out solution available.
Appareo Stratus ESG
ADS-B Out transponder with integrated WAAS GPS. 1090ES with Mode S. Designed for straightforward ADS-B compliance. Pairs with Stratus portable receiver for ADS-B In traffic and weather on iPad.
L3Harris Lynx NGT-9000
Touchscreen ADS-B In/Out transponder with built-in WAAS GPS, moving map, and traffic/weather display. Standalone solution that doesn't require a separate display — popular for minimal-panel upgrades.
Audio Panel
3 options
Garmin GMA 345
Bluetooth audio panel with 3D audio, auto squelch, music input, and phone connectivity. Supports simultaneous music and ATC playback. The most popular audio panel upgrade in GA.
Garmin GMA 245
Entry-level Bluetooth audio panel with stereo music input and 3D audio processing. Simplified controls vs GMA 345 — ideal for VFR and light IFR aircraft.
PS Engineering PAR200B
Advanced audio panel with Bluetooth, IntelliVox auto-squelch, and built-in voice recorder. Supports stereo music, phone patches, and recording of all comm audio. Popular with IFR pilots.
Autopilot
3 options
Garmin GFC 500
Digital autopilot with attitude-based control, LVL button for emergency wings-level recovery, and GPSS steering. Pairs with G5 or GI 275 for a modern autopilot in legacy airframes.
TruTrak Vizion
Budget-friendly digital autopilot with GPS steering, altitude hold, and vertical speed mode. Now manufactured by Honeywell after TruTrak acquisition. Great entry-level autopilot for VFR pilots.
Garmin GFC 600
Advanced digital autopilot for high-performance singles and light twins. Features attitude-based flight control, ESP envelope protection, underspeed/overspeed protection, and LVL mode.
COM Radio
3 options
Garmin GTR 225A
Panel-mount VHF comm transceiver with 8.33 kHz channel spacing, 10W transmit power, and built-in intercom. Clean, simple replacement for aging KX-series radios.
Garmin GTR 205
Remote-mount VHF comm radio — no panel space required. Controlled via GTN Xi touchscreen navigator or GI 275 display. Ideal for adding a second comm without using panel real estate.
Trig TY96A
Compact VHF comm radio with 8.33/25 kHz spacing, built-in intercom, and 16W transmit power. UK-designed, popular in Europe and growing in US market. Excellent audio quality.
EFIS / Glass Panel
5 options
Garmin G5
Compact electronic flight instrument — replaces attitude indicator or HSI. 3.5-inch display with synthetic vision, HSI, DG, and slip/skid. The most affordable glass cockpit entry point for certified aircraft.
Garmin GI 275
3.125-inch round touchscreen flight instrument. Drop-in replacement for legacy 3-1/8 inch round gauges. Available as AI, HSI, CDI, or engine indicator. GPS-driven with backup battery.
Dynon SkyView HDX
Full-featured EFIS with PFD, MFD, engine monitoring, autopilot integration, and ADS-B. Large 7-inch or 10-inch display. NOTE: Certified for experimental/amateur-built aircraft only (not Part 23 certified).
Aspen EFD1000 Pro MAX
Glass PFD that fits in a standard 3-1/8 inch instrument hole. Attitude, airspeed, altitude, HSI, and synthetic vision. Designed for minimal panel modification — great for older airframes.
Garmin G500 TXi
7-inch or 10.6-inch touchscreen PFD/MFD with synthetic vision, HSI, engine instruments, and moving map. The full glass cockpit upgrade for certified aircraft. Integrates with GTN Xi navigators.
Engine Monitor
4 options
JPI EDM-930
Primary engine monitor with color display. Monitors all EGTs, CHTs, fuel flow, oil temp/pressure, voltage, and more. Can serve as primary engine instrument, replacing legacy gauges.
Insight G4
Graphic engine monitor with all-cylinder EGT/CHT bar graph display. Compact form factor with lean-assist and trend monitoring. Budget-friendly alternative to JPI.
JPI EDM-900
Full-function engine monitor with all-cylinder EGT/CHT, fuel flow, OAT, and 20+ parameters. Color LCD display with lean-find and shock-cooling alerts. The most popular engine monitor in GA.
Electronics International MVP-50P
Primary replacement engine monitor with configurable color display. FAA-approved to replace all six-pack engine instruments. Monitors EGT, CHT, fuel flow, oil temp/pressure, manifold pressure, RPM.
GPS Navigator
5 options
Garmin GTN 650Xi
Touchscreen GPS/Nav/Comm with WAAS LPV approaches, built-in VHF nav/comm, and Connext wireless cockpit connectivity. The go-to IFR navigator for panel upgrades.
Garmin GNX 375
All-in-one GPS navigator with built-in ADS-B In/Out transponder, WAAS GPS, and moving map. Replaces both a navigator and transponder in one box.
Avidyne IFD440
Mid-size hybrid touch/knob GPS/Nav/Comm. Slide-in replacement for GNS 430W with WAAS LPV approaches, FMS, and Bluetooth connectivity.
Avidyne IFD550
Large-format hybrid touch/knob GPS/Nav/Comm with FMS, WAAS LPV approaches, and synthetic vision. Designed as a slide-in replacement for legacy GNS 530W wiring.
Garmin GTN 750Xi
Large-format touchscreen GPS/Nav/Comm with full IFR capability, WAAS LPV, FliteCharts, SafeTaxi, and Connext wireless. The flagship navigator for serious IFR panels.
Transponder
3 options
Garmin GTX 345
Mode S transponder with ADS-B In/Out, 1090ES, and built-in WAAS GPS. Displays ADS-B traffic and FIS-B weather on compatible Garmin displays or via Bluetooth to tablets. The gold standard for ADS-B compliance.
Garmin GTX 335
Mode S transponder with ADS-B Out only (no ADS-B In). 1090ES with built-in or external WAAS GPS. Lower-cost ADS-B Out compliance when ADS-B In weather/traffic isn't needed.
Garmin GTX 345R
Remote-mount version of the GTX 345 — no panel space required. ADS-B In/Out with 1090ES. Controlled via GTN Xi navigator or GI 275. Ideal for tight panels or when adding ADS-B to an already full stack.