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Forum Home > General Discussion > Some of the different stages of flight with specific reference to the Cessna 172.

Aviagroup Eduard
Site Owner
Posts: 25

Starting and Takeoff


 

[Shortly after flight starts on ground with master battery on]

Estimate of current fuel as a percentage of full.


 

[Engine start attempted and throttle not correctly set]

Advice that throttle should be open about ¼ inch when starting.


 

[Engine start attempted and parking brake not set]

Warning that parking brake must be set when starting the engine.


 

[Engine start attempted with master battery switch off]

Advice that the master battery switch must be on when starting the engine.


 

[Engine start attempted with fuel pump off]

Advice that the fuel pump must be on when starting the engine.


 

[Engine start attempted with fuel shut off]

Advice that the fuel shut off must be pushed in so that fuel is not cut offwhen starting the engine.


 

[Shortly after moving in taxi mode]

Advice on which instruments and systems should be checked during taxiing.


 

[In takeoff mode with more than 10 degrees of flaps]

Warning that you have too much flaps set and that you should use no more than 10 degrees.


 

[In takeoff mode and on ground with autopilot on]

Warning that autopilot must be off during takeoff.


 

[Shortly after beginning takeoff]

Advice to move throttle smoothly up to full.


 

[Shortly after beginning takeoff]

Advice that the nose wheel can be lifted at 55 KIAS.


 

[Shortly after takeoff]

Reminder that this aircraft's 'vX' (Best Angle of Climb Speed) is 62KIAS at sea level. Use this speed to clear runway obstacles or to liftoff from a soft field quickly.


 

[Shortly after takeoff]

Reminder that this aircraft's 'vY'(Best Rate of Climb Speed) is 74 KIAS at sea level. Use this speed toclimb after takeoff in normal operations.


 

[Shortly after takeoff]

Reminder that in this aircraft youshould normally turn with a 20 degree bank and when doing so you willwant to rollout about 20 degrees before your desired heading.


 

[Shortly after takeoff]

Advice that if you encounter heavyturbulence you need to be at or below manoeuvring speed ('vA') and toremember that this will decrease as you burn fuel.


 

[Shortly after takeoff]

Advice to use right rudder to correct for any unwanted yawing to the left caused by P factor and torque.


 

[Entering cruise mode]

Advice to cruise between 2100 and 2700 RPM and to lean the mixture above 3000 feet MSL to obtain maximum RPM.


 

Descent and Landing


 

[Descending and below maximum flap speed while landing]

Advice that once below 110 KIAS the pilot may use 10 degrees of flaps.

Advice that once below 85 KIAS the pilot may use more than 10 degrees (15 to 30 degrees) of flaps.


 

[Descending and decelerating to maximum flap speed while landing]

Advice that once below 110 KIAS the pilot may use 10 degrees of flaps.


[Descent to around 1000 feet AGL while landing with autopilot on]

Warning to disengage the autopilot below 1000 feet during an approach in this aircraft.


 

[Descent to around 600 feet AGL while landing]

Advice to use pitch to control airspeed and power to control rate of descent during approach and landing.


[Descent to around 500 feet AGL while landing]

Advice that you typically want to land with 30 degrees flaps, 1900 RPM and 65 knots IAS.


 

[Descent to around 400 feet AGL while landing]

Reminder to flare at about 10 to 15 feet above the runway and to lift the nose about 10 degrees.


 

[Descent to around 300 feet AGL while landing]

Reminder that at about 10 to 15 feet above the runway you should reduce power to idle and flare.


 

General Warnings and Advice


 

[Fuel shut off at inappropriate time]

Advice that normal operation requires the fuel shut off to be pushed in so that fuel is not cut off.


 

[Engine fire and fuel not shut off]

Warning that fuel should be shut off immediately.


 

[Loss of engine while airborne]

Advice that the best glide speed in this aircraft is 68 KIAS.


 

[Engine fire started]

Warning that the engine is on fire.


 

[Shortly after engine has started]

Reminder to check the oil pressure.


 

[Shortly after engine has started and fuel pump on]

Advice to turn fuel pump off.


 

[Not in cruise mode and fuel selector is set to left or right]

Advice that this is the wrong setting. You should change it to 'both'.


 

[Engine is off and the aircraft is on the ground and fuel selector is on 'both']

Advice to set selector to left or right to prevent cross-feeding, unless you are about to start the engine.


 

[Speed approaching vNO]

Reminder that you need smooth air tofly into the yellow arc on your ASI, above 129 KIAS which is 'vNO'(Maximum Structural Cruising Speed) for this aircraft.


 

[Speed approaching vNE]

Warning that you are close to exceeding 163 KIAS which is 'vNE' (Never Exceed Speed) for this aircraft.


 

[Decreasing speed approaching vSO]

Warning that stall speed with full flaps is 40 KIAS which is 'vSO' (Stalling Speed in Landing Configuration) for this aircraft.


 

[Decreasing speed approaching vS]

Warning that stall speed with flaps up is 48 KIAS which is 'vS' (Stalling Speed with Flaps Up) for this aircraft.


[Left or right fuel level is low]

Warning that one or both fuel tanks are getting low and you may wish to consider your refuelling options.


[Flaps down and flying too fast for any flaps]

Advice that once below 110 KIAS the pilot may use 10 degrees of flaps.


 

[Flaps down and flying too fast for that particular flaps setting]

Advice that once below 85 KIAS the pilot may use more than 10 degrees (15 to 30 degrees) of flaps.


 

[Master battery switched on]

Estimate of current fuel as a percentage of full.


 

[Master battery on and fuel level getting low]

Estimate of current fuel as a percentage of full as fuel falls below 50%, 25%, 10%, 5% and 3%.

October 17, 2009 at 4:47 AM Flag Quote & Reply

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