Cub Crafters CC18-180 Pilot Operating Handbook page 68

SECTION 3
EMERGENCY PROCEDURES
3.4.9 EMERGENCY DESCENT
An Emergency Descent should be initiated whenever a
situation occurs at high altitude requiring a high rate of
descent. This is done in order to minimize exposure of
the crew and passengers to an uncontrolled fire or when
smoke, toxic fumes or other cause threatens control of
the airplane through incapacitation or restricted visibility
for the pilot (See paragraph, FIRE IN FLIGHT 3.4.6).
Retard throttle to IDLE.
Trim airplane for maximum allowed indicated airspeed
appropriate to the configuration selected and the
atmospheric conditions. Advise the control center if flight
path is in an airway.
IF DESCENT IS TO BE MADE USING FULL FLAPS,
SLOW THE AIRPLANE TO 89 MPH OR 77 KNOTS
IAS PRIOR TO FLAP EXTENSION AND PRIOR TO
STARTING THE DESCENT. EXCEEDING THE FLAP
EXTENDED SPEED CAN CAUSE DAMAGE TO THE
WING STRUCTURE AND POSSIBLE FAILURE OF
IF THE DESCENT IS TO BE MADE WITH THE FLAPS
RETRACTED,DO NOT EXCEED
152 MPH OR 132 KNOTS IAS (IN SMOOTH AIR) OR
102 MPH OR 88 KNOTS IAS (IN ROUGH AIR).
DO NOT MAKE FULL ABRUPT CONTROL
MOVEMENTS ABOVE 102 MPH OR 88 KNOTS IAS.
EXCEEDING THE NEVER EXCEED SPEED OR THE
DESIGN AND OPERATING SPEEDS CAN CAUSE
SEVERE DAMAGE TO AND POSSIBLY FAILURE OF
THE AIRPLANE STRUCTURE.
REPORT TC10000AFM
Page Number: 3-22
WARNING
THE FLAP ATTACHMENTS.
CUB CRAFTERS
Issued: 05/31/05
Date of Revision: 11/20/12
CC18-180