This registration is a manufacturer test slot, not the identity of an airframe: the maker moves it from one aircraft to the next, and the Mode S address changes at delivery. No type is attributed, no photograph is fetched, and this name holds for the date of the contact, not for today.
N57SNfrom 21 Jan 2019 to 20 Oct 2025 · 18 contacts
These registrations share the same serial number and type according to the reference data. Serial numbers can collide, though: it is a deduction, not a certainty.
France