PART V-EMERGENCY HANDLING
Page 61 82. Action in the event of fire
Para 52
A.L.5 (a) If a fire warning is given in the air the following actions are recom-
mended.
(b) Immediate actions
Close the throttle (if impracticable, eject). Reduce speed to approxi-
mately 150 knots, if possible. Check for confirmatory signs of fire,
e.g. smoking jet wake, heat, fumes, system or control malfunctioning.
(c) Subsequent actions
(i) Fire warning goes out within 5 secs. (hot gas leak)
If there are no other signs of fire, prepare to land as soon as
possible at the nearest suitable airfield, using minimum necessary
power. If the warning comes on again throttle back at frequent
intervals to check that it goes out at lower power.
(ii) Fire warning stays on, no signs of fire
If real, continue at (iii) below. If spurious land as soon as
possible using minimum power. Be prepared to resume fire
drill or eject if there are further signs of fire.
(iii) Definite signs of fire
H.P. cock Off
L.P. cock Off
Booster pump Off
Extinguisher button Press when airspeed is 150 knots
approx. (if possible).
If fire goes out Warning extinguishes within 30
secs.
If fire persists Eject
(iv) Carry out the NOXIOUS FUMES drill (see FRC's).
NOTE.-The pressure instruments, control and trim cables are
sensitive to engine bay fires. If flight is continued following a
hot gas leak or spurious warning or if the fire is extinguished,
check the integrity of the elevator trim frequently.
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83. Undercarriage and flaps emergency operation
(a) As soon as hydraulic failure is suspected ensure that the
flap selector lever is at neutral, to avoid possible dumping
of hydraulic fluid via the flaps pipelines, and that the
windscreen wiper is set OFF.
(b) If the engine-driven hydraulic pump fails and Mod. 3627
is not embodied, the hand pump between the seats at
shoulder height can be used to operate the undercarriage61
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