PART 1-DESCRIPTIVE
(iii) Direction indicators
Pre-Mod. 1177 there is a direction indicator in each
cockpit. Post-Mod. 1177 there is one in the rear
cockpit only. The gyros for these indicators are
vacuum-operated (see para.15).
(iv) E.2.A compass
There is an E.2.A compass in each cockpit, to the
right of the instrument panel. The one (42) in the
front cockpit is below the instrument panel coaming, while that
(110) in the rear is at the bottom of the panel.
(c) Artificial horizons
The gyros for the artificial horizons are vacuum-operated
(see para. 15).
(d) Turn and slip indicators
Pre-Mod. 1228 the turn and slip in dicators are operated by
the vacuum system. Post-Mod. 1228 the instruments are
electrically operated and have OFF flags to indicate power
failure. The electical supply is controlled by the compass
master switch.
(e) There are clocks (46) (114) in both the front and rear
cockpits (post-Mod. 1844 rear cockpit) to the right of the
instrument panel.
(f) I.L.S. and Zero reader
Mod. 1636 introduces I.L.S. Zero reader and a Mk. 4FT
compass. The gunsight is removed in the front cockpit
and the gyro unit, voltmeter, control panel, course selector,
horizon gyro unit, Zero reader indicator, I.L.S. indicator,
control unit, pushbutton and switch, and an amber lamp.
In the rear cockpit are a Zero reader indicator, I.L.S. indi-
cator, flight computer and repeater.
COCKPIT EQUIPMENT
26. Cockpit entry
Footsteps and handholds on the port side of the front
fuselage give access to both cockpits. Retractable foot-
steps are lowered by pulling their external handles and are
retracted by a control just forward of the front footstep.
They can only be operated from outside the aircraft. 22
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