Amended in Vol. I by A.L.31                                           AIR PUBLICATION 1565B     
and in P.N. by A.L.31/l                                                Volume I and Pilot's Notes     

                                SECTION 2

                  HANDLING AND FLYING NOTES FOR PILOTS

     1.    ENGINE DATA:   MERLIN XII

       (i) Fuel    100 octane (the reduced limitations for use
                   with 87 octane fuel are shown in brackets)

      (ii) Oil     See A.P.1464/C.37.

     (iii) Engine limitations:

                                                Boost         Temp.°C
                                      R.p.m.    lb/sq.in.   Clnt.   Oil

             MAX. TAKE-OFF
             TO 1,000 FEET            3,000     +12½(+7)     -       -

             MAX. CLIMBING
             1 HR. LIMIT              2,850     + 9(+7)     123      90

             MAX. RICH
             CONTINUOUS               2,650     + 7(+5)     105X     90
          
             MAX. WEAK
             CONTINUOUS               2,650     + 4(+2½)    105X     90
             
             COMBAT
             5 MINS LIMIT             3,000     + 12(+7)    135     105             
             
             X 115°C permitted for short periods if necessary
             
             Note:  +12 lb/sq.in. combat boost is obtained by
                    operating the boost control cut-out and is
                    effective up to about 10,500 feet.
             
             OIL PRESSURE:   MINM. IN FLIGHT:    30 lb/sq.in.
             
             MINM. TEMP FOR TAKE-OFF:       OIL: 15°C
                                        COOLANT: 60°C
             
             FUEL PRESSURE:              NORMAL: 2½-3 lb/sq.in.
             
             
  F.S/3