HangarMath

Aircraft Upgrades & Modifications

Browse 72 avionics upgrades and modifications for GA aircraft. GPS navigators, autopilots, engine monitors, ADS-B solutions, and more — with installed pricing and STC information.

Browse by Upgrade Type

🗺️

GPS Navigator

14 options

🤖

Autopilot

6 options

📡

ADS-B

8 options

🔧

Engine Monitor

8 options

📻

COM Radio

8 options

📍

Transponder

9 options

🖥️

EFIS / Glass Panel

11 options

🎧

Audio Panel

8 options

Popular Upgrades

EFIS / Glass PanelPopular

Garmin G5

Garmin

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.

$2,200-$3,500installed
EFIS / Glass PanelPopular

Garmin G5

Garmin

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.

$2,200-$3,500installed
COM RadioPopular

Garmin GTR 225A

Garmin

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.

$2,500-$3,500installed
COM RadioPopular

Garmin GTR 225A

Garmin

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.

$2,500-$3,500installed
COM RadioPopular

Garmin GTR 225A

Garmin

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.

$2,500-$3,500installed
Audio PanelPopular

Garmin GMA 345

Garmin

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.

$2,800-$4,000installed
Audio PanelPopular

Garmin GMA 345

Garmin

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.

$2,800-$4,000installed
Audio PanelPopular

Garmin GMA 345

Garmin

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.

$2,800-$4,000installed