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                      PART IV - EMERGENCY HANDLING

   (c)  If no relight occurs within 30 seconds, set the throttle to
        H.P. cock OFF and switch off the booster pumps.
        Allow if possible 30 seconds for the engine to dry out 
        before the next attempt.

   (d)  Failure to relight

        (i)  If the engine fails to relight turn off the H.P. and
             L.P. cocks and switch off all non-essential electrical
             services (including the booster-pumps).
                                                                                                              ½° nose-up
AL1     (ii) Set the tailplane incidence to zero and reduce speed
             to the trimmed condition.
        (iii)Release the aileron trim safety lock and check that
             the trim indicator is at zero.
        (iv) Carry out forced landing procedure (see para. 94) or
   94.  Forced landing procedure
        NOTE:-All the circumstances prevailing at the time of
              engine, hydraulic, or electrical failure cannot be
              predicted.  Each system and the effects of the failure
              of each system must be thoroughly understood.
              The following information is intended to help
              the pilot reach the best decision.
   (a)  In all cases of engine failure when a relight is not possible
        or practicable glide at 210 knots (see (b)). If a decelera-
        tion is required to obtain the best gliding speed climb
        rather than use the airbrake.  If used, the airbrake
        requires considerable hydraulic power and constitutes a
        hazard on landing should it remain out.
A.L.1   (b)  The recommended gliding speed for maximum range is 210
Para. 94 (b)  knots.  In still air conditions a distance of approximately 86
Page 89     n.m. can be achieved from 40,000 ft. or about 2 n.m./1,000
                ft.  The average rate of descent is approximately 2,300 ft./
                min.  These distances do not allow for the recommended
                overhead height of 7,000 ft. (See 94 (f).)  The gliding speed
                of 210 knots should be maintained when gliding for range


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