Nflightcam Audio Solution for GoPro Hero 5/6/7/8/9/10/11 Black Helicopter Version
Crystal Pilot Audio Cables - Flight Flix Aviation
How to record Aircraft ATC & Intercom audio to your GoPro HERO, iPhone/Android, Garmin VIRB, or ContourHD - CRAZEDpilot.com
HELICOPTER Cockpit Recording Adapter Cable for HERO5 BLACK / HERO6 BLACK / HERO7 BLACK / HERO8 BLACK / HERO9 BLACK / HERO10 BLACK / HERO11 BLACK/HERO 2018 - CRAZEDpilot.com