Yes, been through it several times. Expect it is fine for people simply typing in Arabic but it doesn't solve the font problem. That said, it would be fine for the project I would like to complete except the Arabic on the plane seems to have some characters that are not on the character map - although these might be some garnishes of the signwriter who painted the plane.
In the days before laser cut decals there were wide variations in airliner signwriting, particularly once the factory finish had to be replaced or touched up. Ansett-ANA in Australia had three distinctly different "S" character, from a normal curved character to one was almost a Z backwards. Reckon the airline had three signwriters

!!
David