The Icom-France website
https://www.icom-france.com/fr/catalogu ... tifs-1.php lists the A6E and A24E as for use on the ground only but the A6FRII and A6FRII as being CET ÉQUIPEMENT EST AGRÉÉ E/R PAR L'AVIATION CIVILE ET PEUT DONC FIGURER SUR LA LSA D'UN AÉRONEF FRANÇAIS which roughly translates as THIS EQUIPMENT IS APPROVED EITHER BY CIVIL AVIATION AND THEREFORE CAN BE APPEARED ON THE LSA OF A FRENCH AIRCRAFT. Maybe Icom UK can tell you what the practical differences are between these designations.
Passion Radio is offering the 8.33 Yaesu handhelds
https://www.passion-radio.com/fr/aviati ... 0-480.html and includes: This is a" leisure "radio to talk between two planes or two gliders
or an aircraft and a man on the ground. As OSAC indicates that this equipment does not require a" May be used on board, as on the ground, and it is for the pilot to determine whether or not the VHF AM is disturbing some of these instruments and using it or not.
Used as radio equipment on the LSA and in areas where the control requires radio equipment 8.33khz. (my italics).