. ENCINES- I TOTAL NUMBER INVOLVED 710 MARE(s)Pratt & Whitney JT3D ' Pratt 6 Whitney JT91;0 ' Pratt & Whitney ..3T4. ' Rolls Royce RB211 pact t BDIip,:; giLti. mum. 668483 et al 1 662249 et al N. 2i1,9(2. ett :i 10047 et al . 6 51:79 pt _al rROPELLEnS , I TOTAL NUMBER INVOLVED MARES) LS