Spins; Rough Engine Operation Or Loss Of Power; Carburetor Icing - Cessna SKYHAWK 172M 1976 Pilot Operating Handbook

CESSNA
MODEL 172M
SECTION 3
EMERGENCY PROCEDURES
With the alternate static source on, adjust indicated airspeed slightly
during climb or approach according to the alternate static source airspeed
calibration table in Section 5, appropriate to vent/window(s) configuration,
causing the airplane to be flown at the normal operating speeds.
Maximum airspeed and altimeter variation from normal is 4 knots and
30 feet over the normal operating range with the window(s) closed. With
window(s) open, larger variations occur near stall speed. However, maxi-
mum altimeter variation remains within 50 feet of normal.
SPINS
Should an inadvertent spin occur, the following recovery procedure
should be used:
(1) RETARD THROTTLE TO IDLE POSITION.
(2) PLACE AILERONS IN NEUTRAL PQ3ITION.
(3) APPLY AND HOLD FULL RUDDER OPPOSITE TO THE DIREC-
TION OF ROTATION.
(4) JUST AFTER THE RUDDER REACHES THE STOP, MOVE THE
CONTROL WHEEL BRISKLY FORWARD FAR ENOUGH TO BREAK
THE STALL. Full down elevator may be required at aft center of
gravity loadings to assure optimum recoveries.
(5) HOLD THESE CONTROL INPUTS UNTIL ROTATION STOPS.
Premature relaxation of the control inputs may extend the recovery.
(6) AS ROTATION STOPS, NEUTRALIZE RUDDER, AND MAKE A
SMOOTH RECOVERY FROM THE RESULTING DIVE.
NOTE
If
disorientation precludes a visual determination of the
direction of rotation, the symbolic airplane in the turn
coordinator or the needle of the turn and bank indicator
may be referred to for this information.
For additional information on spins and spin recovery, see the
discussion under SPINS in Normal Procedures (Section 4).
ROUGH ENGINE OPERATION OR LOSS OF POWER
CARBURETOR ICING
A gradual loss of RPM and eventual engine roughness may result from
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