. ▁Be aver ▁R X - 3 5 ▁Single - se at , ▁power ed ▁by ▁a ▁ ▁Rot ax ▁ 3 7 7 , ▁produced ▁by ▁Spect rum ▁A ircraft . ▁Be aver ▁R X - 5 5 0 ▁Two - se at , ▁power ed ▁by ▁a ▁ ▁Rot ax ▁ 5 0 3 , ▁produced ▁by ▁Spect rum ▁A ircraft . ▁Be aver ▁R X - 5 5 0 ▁Plus ▁Two - se at , ▁power ed ▁by ▁a ▁ ▁Rot ax ▁ 5 0 3 ▁or ▁ ▁Rot ax ▁ 5 8 2 , ▁produced ▁by ▁AS AP . ▁Be aver ▁R X - 6 5 0 ▁Two - se at , ▁power ed ▁by ▁a ▁ ▁Rot ax ▁ 5 0 3 ▁or ▁ ▁Rot ax ▁ 5 8 2 , ▁produced ▁by ▁Spect rum ▁A ircraft ▁and ▁Be aver ▁R X ▁Enter pr ises . ▁SS - 1 1 ▁Sky watch ▁Two - se at , ▁power ed ▁by ▁a ▁ ▁Rot ax ▁ 5 0 3 ▁or ▁ ▁Rot ax ▁ 5 8 2 , ▁produced ▁by ▁Fre edom ▁L ite ▁and ▁Leg end ▁L ite . ▁Be aver ▁SS ▁Single - se at , ▁power ed ▁by ▁a ▁ ▁Rot ax ▁ 4 4 7 , ▁ ▁Rot ax ▁ 5 0 3 ▁or ▁ ▁Z anz ot tera ▁M Z ▁ 2 0 1 , ▁produced ▁by ▁AS AP . ▁ ▁A ircraft ▁on ▁display ▁▁ ▁Spect rum ▁Be aver ▁R X ▁ 5