SECTION 4
CESSNA
NORMAL PROCEDURES
MODEL 172RG
NOTE
In flight, gravity feed will normally supply satisfactory
fuel flow if the engine-driven fuel pump should fail.
However, if a fuel pump failure causes the fuel pressure to
drop below 0.5 PSI, use the auxiliary fuel pump to assure
proper engine operation.
8.
Elevator and Rudder Trim -- TAKEOFF.
9.
Throttle -- 1800 RPM.
a.
Magnetos -- CHECK (RPM drop should not exceed 150 RPM on
either magneto or 50 RPM differential between magnetos).
b.
Propeller -- CYCLE from high to low RPM; return to high RPM
(full in).
c.
Carburetor Heat -- CHECK (for RPM drop).
d.
Engine Instruments and Ammeter -- CHECK.
e.
Suction Gage -- CHECK.
10.
Throttle -- 1000 RPM or less.
11.
Radios -- SET.
12.
Autopilot (if installed) -- OFF.
13.
Strobe Lights -- AS DESIRED.
14.
Throttle Friction Lock -- ADJUST.
15.
Parking Brake -- RELEASE.
TAKEOFF
NORMAL TAKEOFF
1.
Wing Flaps -- 0°.
2.
Carburetor Heat -- COLD.
3.
Power -- FULL THROTTLE and 2700 RPM.
4.
Elevator Control -- LIFT NOSE WHEEL at 55 KIAS.
NOTE
When the nose wheel is lifted, the gear motor may run 1-2
seconds to restore hydraulic pressure.
5.
Climb Speed -- 70-80 KIAS.
6.
Brakes -- APPLY momentarily when airborne.
7.
Landing Gear -- RETRACT in climb out.
4-8
1 July 1979
CESSNA
SECTION 4
MODEL 172RG
NORMAL PROCEDURES
SHORT FIELD TAKEOFF
1.
Wing Flaps -- 0°.
2.
Carburetor Heat -- COLD.
3.
Brakes -- APPLY.
4.
Power -- FULL THROTTLE and 2700 RPM.
5.
Brakes -- RELEASE.
6.
Elevator Control -- MAINTAIN SLIGHTLY TAIL-LOW ATTI-
TUDE.
7.
Climb Speed -- 63 KIAS until all obstacles are cleared.
8.
Landing Gear -- RETRACT after obstacles are cleared.
ENROUTE CLIMB
VORMAL CLIMB
1.
Airspeed -- 85-95 KIAS.
2.
Power -- 25 INCHES Hg and 2500 RPM.
3.
Fuel Selector Valve -- BOTH.
4.
Mixture -- FULL RICH (mixture may be leaned above 3000 feet).
5.
Cowl Flaps -- OPEN as required.
MAXIMUM PERFORMANCE CLIMB
1.
Airspeed -- 84 KIAS at sea level to 77 KIAS at 10,000 feet.
2.
Power -- FULL THROTTLE and 2700 RPM.
3.
Fuel Selector Valve -- BOTH.
4.
Mixture -- FULL RICH (mixture may be leaned above 3000 feet).
5.
Cowl Flaps -- FULL OPEN.
CRUISE
1.
Power -- 15-25 INCHES Hg, 2100-2700 RPM (no more than 75%
power).
2.
Elevator and Rudder Trim -- ADJUST.
3.
Mixture -- LEAN.
4.
Cowl Flaps -- CLOSED.
DESCENT
1.
Fuel Selector Valve -- BOTH.
2.
Power -- AS DESIRED.
3.
Carburetor Heat -- FULL HEAT AS REQUIRED to prevent car-
buretor icing.
1 July 1979
4-9