AP ) ▁of ▁Vern on , ▁British ▁Columbia ▁purchased ▁the ▁Be aver ▁tool ing ▁and ▁red es igned ▁the ▁R X ▁ 5 5 0 . ▁The ▁new ▁version , ▁designated ▁the ▁R X ▁ 5 5 0 ▁Plus ▁incorpor ated ▁a ▁new ▁wing ▁with ▁a ▁greater ▁number ▁of ▁wing ▁rib s ▁and ▁standard ▁aircraft ▁fabric ▁replacing ▁the ▁D ac ron ▁covering . ▁The ▁AS AP ▁R X ▁ 5 5 0 ▁Plus ▁remains ▁in ▁production ▁and ▁available ▁in ▁k it ▁form . ▁It ▁can ▁be ▁registered ▁in ▁the ▁Canadian ▁Basic ▁and ▁Advanced ▁ul tr al ight ▁categories ▁as ▁well ▁as ▁in ▁the ▁US ▁and ▁Canadian ▁amateur - built ▁aircraft ▁categories . ▁By ▁the ▁end ▁of ▁ 2 0 0 7 ▁a ▁total ▁of ▁ 2 0 0 0 ▁R X ▁ 5 5 0 s ▁had ▁been ▁produced ▁by ▁all ▁manufact ur ers . ▁ ▁In ▁ 1 9 9 6 ▁a ▁new ▁company , ▁Fre edom ▁L ite ▁of ▁Wal ton , ▁Ontario ▁re int rodu ced ▁the ▁Be aver ▁R X ▁ 6 5 0 , ▁first ▁displaying ▁it ▁at ▁Sun ▁' n ▁Fun ▁that ▁year . ▁The ▁improved ▁R X ▁ 6 5 0 ▁incorpor ated ▁ 1 8 6 ▁changes ▁over ▁the ▁previous ▁R X ▁ 6 5 0 ▁design ▁and ▁the ▁company ▁renamed ▁it ▁the ▁Fre edom ▁L ite ▁SS - 1 1 ▁Sky watch . ▁The ▁wings ▁use ▁conventional ▁aircraft ▁fabric ▁instead ▁of ▁D ac ron , ▁giving ▁build ▁times ▁of ▁about ▁ 2 5 0