PART IV-HANDLING
below 175 knots. A setting of approximately 7,000 r.p.m.
will give a circuit speed of 170-175 knots with under-
carriage and flaps UP. Synchronise Mk. 4F compass
and check harness tight and locked. A.L.1
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Page 55 (b) Downwind vital actions
Para 73
(b) Airbrakes IN.
A.L.3 Undercarriage DOWN (below 175 knots).
Fuel Contents.
Harness Tight and locked.
Brakes Check U/C-3 green lights.
Pressure--On--Off
Exhausting.
Flaps As required (below 155
knots for 30°, below 145
knots for full flap).
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(c) Finals checks
Airbrakes In.
Undercarriage 3 green lights
NOTE.--These checks should be completed as soon as
possible after starting the final turn, after which
the R/T call " Finals, three green " should be
made. The call should be completed by the 90^deg;
position. Lower flaps as required.
74. Approach and landing
(a) Approach
(i) The approach should be commenced at 140 knots
with approximately 6,000 r.p.m. depending on pre-
vailing wind conditions.
(ii) Lower full flap when required.
(iii) At 400 ft. the airspeed should not be less than 125
knots, and to ensure rapid engine response should it
be necessary to increase power, r.p.m. should not
be reduced below 5,500 until it is certain that the
runway can be reached. 55
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