▁anti - sub marine ▁war fare ▁( AS W ) ▁capabilities . ▁A ▁variant ▁of ▁the ▁− 5 0 0 ▁( its elf ▁a ▁version ▁of ▁the ▁mar itime ▁pat rol ▁model ▁of ▁the ▁A TR ▁ 4 2 – 5 0 0 ) ▁is ▁also ▁in ▁production . ▁For ▁the ▁AS W ▁and ▁AS u W ▁miss ions , ▁it ▁is ▁armed ▁with ▁a ▁pod - mount ed ▁machine ▁gun , ▁light weight ▁aer ial ▁tor ped o es , ▁anti - sur face ▁miss iles , ▁and ▁depth ▁charges . ▁They ▁are ▁equ ipped ▁with ▁the ▁Th ales ▁A MA S CO S ▁( A ir bor ne ▁Mar itime ▁Situ ation ▁and ▁Control ▁System ) ▁surve ill ance ▁system ▁as ▁well ▁as ▁electronic ▁war fare ▁and ▁reconna issance ▁systems , ▁en abling ▁the ▁type ▁to ▁perform ▁mar itime ▁search ▁and ▁rescue ▁duties . ▁▁ ▁Corpor ate ▁ ▁A ▁VI P ▁version ▁of ▁the ▁− 5 0 0 ▁is ▁available ▁with ▁a ▁lux ury ▁interior ▁for ▁executive ▁or ▁corpor ate ▁transport . ▁▁ ▁A TR ▁ 8 2 ▁ ▁During ▁the ▁mid - 1 9 8 0 s , ▁the ▁company ▁investig ated ▁a ▁ 7 8 - se at ▁derivative ▁of ▁the ▁A TR ▁ 7 2 . ▁This ▁would ▁have ▁been ▁power ed ▁by ▁two ▁All ison ▁A E 2 1 0 0 ▁tur b opro ps ▁( t ur bo f ans ▁were ▁also ▁studied ▁for ▁a ▁time ) ▁and ▁would ▁have ▁had ▁a ▁cru ising ▁speed ▁as