I think the keyword here is "EASA".
FAA STC SR02295LA held by Garmin already covers the following -
H2SW -- Bell Helicopter Textron Canada Limited -- 206A-1 (OH-58A)
H2SW -- Bell Helicopter Textron Canada Limited -- 206A
H2SW -- Bell Helicopter Textron Canada Limited -- 206B
H2SW -- Bell Helicopter Textron Canada Limited -- 206L-1
H2SW -- Bell Helicopter Textron Canada Limited -- 206L-3
H2SW -- Bell Helicopter Textron Canada Limited -- 206L-4
H2SW -- Bell Helicopter Textron Canada Limited -- 206L
H2SW -- Bell Helicopter Textron Canada Limited -- 407
under an AML.