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PART V-OPERATING DATA

     96.  Flight planning data

     (a)  The tables on the following pages show the flight plan-
          ning data for:-

          (i)  Climbing

               The climb tables give the data for climbs in I.S.A.
               conditions using the speeds recommended in para.
               64. (Repeated in Col. 1 of the tables.) The cruise
               data tables are based on rehear take-offs followed
               by non-reheat climbs. (Reheat climb data is given
               on page 92.)

         (ii)  Cruising

               Each separate altitude block in the cruise table
               shows:-

               (1)  The speed for maximum range, the approximate
                    A.N.M./I00 lb. and the approximate fuel consump-
                    tion for the particular height. In addition a speed
                    band is given, use of any speed within which should
                    not cause more than a 5% reduction in range-.
                    
               (2)  The range obtainable for various amounts of
                    available fuel when flying at the best range speed
                    for the height. The range given is to the point of
                    let-down, allowance being made for the descent fuel
                    required.

               (3)  The range obtainable for various amounts of
                    available fuel, including the distance covered on the
                    climb, if a climb is made to another altitude. In
                    this case the climb must be made at the speed given
                    in para. 64 and the flight continued at the new
                    altitude at the best range speed for that height.

                    NOTE.-The range at any altitude is independent of
                          temperature, but dependent on the weight
                          of fuel carried.

            (iii)  Descent

                   The descent tables give the data for descending from
                   one height to another.

     (b)  Use of the tables

              (i)  Pre-flight planning

                   Enter the cruise data table	in the sea level block at
                   the fuel state applying immediately after take-off.

86

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