.Before descending into the clouds, set up astabilized let-dov,
course
c o n d i t i o n a s f o l l o w s ;
( 1 ) A p p l y f u l l r i c h m i x t u r e .
(2) Use full carburetor heat.
(3) Reduce power to set up a500 to 800 ft./min. rate of descent.
(4) Adjust the stabilator trim tab for astabilized descent at 90 MPH.
(5) Keep hands off the control wheel.
(6) Monitor turn coordinator and make corrections by rudder alone.
(7) Adjust rudder trim to relieve unbalanced rudder force if present.
(8) Check trend of compass card movement and make cautious cor¬
rections with rudder to stop the turn.
(9) Upon breaking out of clouds resume normal cruising flight.
R E C O V E R Y F R O M A S P I R A L D I V E .
If aspiral is encountered, proceed as follows:
(1) Clo s e t h e t h ro t tl e.
(2) Stop the turn by using coordinated aileron and rudder control to
align the symbolic airplane in the turn coordinator with the horizon
reference line.
(3) Cautiously apply control wheel back pressure to slowly reduce
the indicated airspeed to 90 MPH. ~
(4) Adjust the stabilator trim control to maintain a90 MPH glide
(5) Keep hands off the control wheel, using rudder control to hole
astraight heading. Adjust rudder trim to relieve unbalanced rudder
force, if present.
(6) Apply carburetor heat.
(7) Clear engine occasionally, but avoid using enough power to dis¬
turb the trimmed glide.
(8) Upon breaking out of clouds apply normal cruising power and re¬
su m e fl i gh t .
FLIGHT IN ICING CONDITIONS.
Although flying in known icing conditions is prohibited, an unexpected
icing encounter should be handled as follows:
(1) Turn pitot heat switch ON (if installed).
(2) Turn bade or change altitude to obtain an outside air temperature
tha.t is less conducive to icing.
3-6
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