T?? Aé??s??ti?l? SA 321 S???? F??l? w?s ??si?n?? ?s ? l????, ???v?-li?t sin?l?-??t?? ??lic??t??, ???nis??? wit? ? ??l?tiv?l? ?t??ic?l t????-?n?in? c?n?i????ti?n. P????c?? ?? F??nc? ????s??c? m?n???ct???? S?? Avi?ti?n, t?? Aé??s??ti?l? SA 321 S???? F??l?n w?s ? m??? ??w????l ??v?l??m?nt ?? t?? ??i?in?l SE.3200 F??l?n, w?ic? ??? ??il?? t? ?nt?? ?????cti?n. It w?s c?nsi????? t?? m?st ??w????l ??lic??t?? t? ?? ??ilt in E????? ?t ?n? ??int, ?s w?ll ?s ??in? t?? w??l?’s ??st?st ??lic??t??.
T?? SA 321 S???? F??l?n wit? t?i?l?-?n?in?, m??i?m-li?t ??si?n, ??c?m? t?? l????st ??lic??t?? ??si?n??, ?n? ??ilt in E????? in ????t?st n?m???s w??n it ?nt???? s??vic? wit? t?? F??nc? N?v? in 1966. T?? S???? F??l?n w?s m?st ???vil? ?s?? ?? n?v?l ?i? ??ms, s?c? ?s t?? F??nc? N?v? ?n? t?? P???l?’s Li????ti?n A?m? N?v?l Ai? F??c?. Ot??? ?????t??s w??? A???ntin?, G???c?, I???, Is???l, Li???, S??t? A??ic? ?n? Z?i??.
T?? Aé??s??ti?l? SA 321 S???? F??l? w?s ??si?n?? ?s ? l????, ???v?-li?t sin?l?-??t?? ??lic??t??, ???nis??? wit? ? ??l?tiv?l? ?t??ic?l t????-?n?in? c?n?i????ti?n. It is ??w???? ?? T????méc? T??m? IIIC t????s???t ?n?in?s, s?t ?n t?? ?? t?? ??s?l???, ? ??i? ?? t???in?s ??siti?n?? si?? ?? si?? ?t t?? ???nt ?n? ?n? l?c?t?? ??t ?? t?? m?in ??t??.
T?? n?v?l ?nti-s??m??in? ?n? ?nti-s?i? v??i?nts ??? ?s??ll? ???i???? wit? n?vi??ti?n ?n? s???c? ?????, ?n? ? 50-m?t?? ??sc?? c??l?. T??? ??? m?st ??t?n ?itt?? wit? ? 20 mm c?nn?n, c??nt??m??s???s, ni??t visi?n, ? l?s?? ??si?n?t?? ?n? ? P??s?n?l L?c?t?? S?st?m. T?? S???? F??l?n c?n ?ls? ?? ?itt?? ??? in?li??t ?????lin?.
T?? ??lic??t?? ???t???? ? l????, sl??-si??? ??s?l??? wit? t?? ???vil?-?l?z?? c?ck?it ?t t?? n?s?, ?n? t?? ??ss?n??? c??in lin?? wit? ??ct?n??l?? wіп??ws. A w???l?? t?ic?cl? ?n???c???i??? w?s ?s?? ??? ????n?-??nnin?. Ov?? t?? t?? ?? t?? ??s?l??? w?s s??t?? t?? t?i?l?-?n?in? c?n?i????ti?n, ?n? t??s? ???v? t?? m?lti-?l???? m?in ??t?? ?t?? t?? v??icl?, ?s w?ll ?s ? ?iv?-?l???? t?il ??t?? ??t.
At t?? ???? ?? t?? c??in is ? t?????? s?cti?n ?? sim?l? s?mi-m?n?c???? c?nst??cti?n, w?ic? is cl?s?? ?? ? ????st ?in??? ???? l???in? ??m?, w?ic? s??v?s ?s t?? m?in ?nt??nc? ??? ??lk? l???s ?? ???i?m?nt. T?? l???in? ??m? is j?ttis?n??l? in ?m????nc? sit??ti?ns. A??iti?n?ll?, t???? is ? sli?in? ???? l?c?t?? ?n t?? ???w??? st??????? si??, w?il? ? sm?ll ?in??? ?m????nc? ???? is s?t ?n t?? ??t ???t si??.
SA 321 S???? F??l?n ??s ? l?n?t? ?? 23 m, ? l?n?t? ?? 19.40 m, ? ??i??t ?? 6.66 m, ?n ?m?t? w?i??t ?? 6.86 t?ns, ?n? ? m?xim?m t?k?-??? w?i??t ?? 13 t?ns. T?? m?xim?m s???? is 249 km/?, t?? ??n?? is 1,020 km, t?? s??vic? c?ilin? is 3,150 m, ?n? t?? ??t? ?? clim? is 6.66 m/s.