Piper ARCHER III Pilot Operating Handbook page 322

SECTION9
SUPPLEMENT 6
4.51 Descent Checklist
DESCENT
Normal Descent:
THROTTLE ............................................................................... 2500 RPM
Airspeed ...................................................................................... I 22 KTAS
MIXTURE .......................................................................................... RICH
CARB HEAT ............................................................... ON IF REQUIRED
Power Off Descent:
CARB HEAT ............................................................... ON IF REQUIRED
THROTTLE ................................................................................. CLOSED
Airspeed ............................................................................ AS REQUIRED
MIXTURE ......................................................................... AS REQUIRED
Power ............................................................ VERIFY WITH THROTTLE
If a prolonged power off descent is to be made, apply full carburetor
heat prior to power reduction if carburetor icing conditions arc suspected.
Throttle should be retarded and mixture control leaned as required. Power
response should be verified approximately every 30 seconds by partially
opening and then closing the throttle {clearing the engine). When leveling
of f
enrichen mixture, set power as required and select carburetor heat off
unless carburetor icing conditions are suspected.
4.Sm Approach and Landing Checklist
APPROACH AND LANDING
Carburetor heat should not be applied unless there is an indication
of i;arbun�Lor icing, since the use of carburetor heal i;ausi:::s a reuui;tion i11
power which may be critical in case of a go-around. Full throttle operation
with carburetor heat on can cause detonation.
REPORT: VB-2749
9-44, 14 of 22
PA-28-181, ARCHER III
EVERY30SECONDS
ISSUED: December 22, 2017
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