To make your AV-8B a little more british...
Installation: place extracted .ogg sound-file in YOUR-DRIVE:\DCS World\Mods\aircraft\AV8BNA\Sounds\Effects\Betty
Extracted from this YouTube video of real GR7:
https://youtu.be/tuDji9a_dqU
I prefer to have it as Altitude alert, like seen in my video here:
https://youtu.be/rXmsgJVgsPc