CESSNA 172 R QUESTION BANK 1. Propeller ground clearance: 11’ ¼” 2. Min. turning radius (Pivot point to outboard wingtip): 27’5 ½” 3. Fuel: 100LL – Color Blue 4. Ramp weight: Normal Category-2457lbs 5. Fuel additive should not exceed: 1% for Isopryl alcohol or .10% to .15% for DiEGME 6. Operations must be carried out with caution and only in smooth air: Yellow arc 129-136kts 7. ASI White arc: 33-85 KIAS, Green arc: 44-129 KIAS 8. Max window opening speed- 163 KIAS 9. Oil pressure Min. Red line 20psi Normal Green arc 50-90 Max Red line 115 psi 10. Abrupt use of controls prohibited above 99 kts (Normal Category); 94 kts (Utility category) 11. Total fuel: 28USG+28USG= 56US Gallons Unusable 1.5 USG each tank 12. Max. Slip or skid duration with one tank dry: 30secs 13. Calibration Card – Magnetic compass- 30° increments 14. Inadvertent icing – Turn back or change altitude 15. With alternator side of the master switch off, compass deviations of as much as 25° may occur 16. Maximum airspeed and altimeter variation from normal is 4kts and 30’ 17. The alternator control unit includes an over voltage sensor which normally will automatically shut down the alternator if the charge voltage reaches approximately 31.5 volts. Restart only when on ground. 18. Best ROC, MSL = 79 KIAS 19. Prior to flight, check that pitot heater is warm to touch within 30sec with battery and pitot heat Switches ON
20. Oil: Do not operate with less than 5qts. Fill to 8qts for extended flight 21. RPM drop should not exceed 150 RPM on either magneto or 50 RPM differential between magnetos 22. After starting Oil pressure should indicate pressure within green arc in 30 seconds in summer and approximately 1 minute in very cold weather. 23. Starter duty cycle: Crank the starter for 10 sec. followed by a 20 sec. cool down period, this can be repeated two additional times followed by a 10min. cool down period. After cool down, crank the Starter again, three cycles of 10sec followed by 20 seconds of cool down. 24. Alternator check: a Positive verification can be made by loading electrical system momentarily (3to 5 seconds) with the landing light or operating the wing flaps during engine run up (1800 RPM) 25. Normal en-route climb are performed with flaps up and full throttle and at speeds 5 to 10 kts higher than best ROC speeds for the best combination of performance, visibility and engine cooling. 26. Normal cruising: 60-80% power 27. Until a total of 50 hrs has accumulated or oil consumption has stabilized, cruising should be done at 80% power. 28. Stall warning horn which sounds between 5 to 10 kts above stall in all configurations. 29. Operations in direct cross winds of 15 kts has been demonstrated 30. Min. turning radius with differential braking is approx. 27’ 31. Nose wheel turns through an arc of 10° each side of centre by applying either R/L brake. This arc can be increased up to 30° 32. Single slot type flaps, mechanical stop provided at 10°, 20° and 30° positions 33. Flap system is protected by 10 amps CB 34. Landing gear: Main – tubular spring steel; Nose – Air/Oil shock struts 35. Bottom edge of the fuel filler tab, 17.5 gallons unusable in each tank 36. Operating with one tank dry when ¼ full or less do not allow airplane to remain in uncoordinated flight for periods in excess of 30 secs 37. Parking brakes: Set the brakes with rudder pedals, pull the handle aft, and rotate it 90° down 38. Voltage < 24.5 volts, red annunciation volts will flash for approximately 10 seconds before becoming steady. 39. Attitude indicator has index marks 10,20,30,60 and 90 degrees.
40. DG- lower left: adjusts the compass card error to correct for precision, lower right is used to move the heading bug. 41. Avionics Fan operates when Master and Avionics switches are both ON 42. Avoid covering opening on back side of microphone for optimum noise canceling. 43. Stuck microphone is kept continuously for greater than 33 seconds, the transmitter stops transmitting. 44. VSI indicated ROC/ROD in feet per min. 45. Carburetor icing is indicated by loss of RPM in fixed pitch propeller and loss of manifold pressure in constant speed propeller. 46. Engine flooding during start up 47. To get maximum cabin heating, Cabin heat knob fully out and cabin heat knob fully in. 48. Best fuel economy: Peak EGT 49. In voltmeter /OAT Clock pushing upper control button will change the display on the window to: E.F.C.E (Pushing the upper control button will sequence the window from Voltage to Fahrenheit ('F') to centigrade ('C') and again back to voltage.)
50. Black smoke from exhaust? 51. Alternate static vent positioned at: Centre case of instrument panel 52. ELT annunciator 53. OAT/ voltmeter gauge select switch may be tested by putting the select button down for 3 seconds to start 54. When oil pressure is below 20psi, OIL PRESS illuminates 55. In event of alternate static vent open, air speed indicator will give an error of 4 knots and altimeter error will be ±30’ in closed window conditions. 56. Annunciator does not activate on: Low fuel flow and Low RPM 57. DGI should be aligned regularly on long haul flights for: Precession. 58. Avionics cooling fan switches ON automatically when avionics master is ON 59. In event of static tube blockage: ASI reads error. 60. To permit heavy cabin loading, fuel load can be reduced to 17.5 gallons usable in each tank.
61. Aircraft tires are 6 ply rated 62. Fuel system verifying is essential to the system operation. Blockages of the system will result in decreased fuel flow and even result in engine stoppage. Verifying is accompanied by an interconnecting live from right to left fuel tank. 63. Fuel flow meter range is: 0 – 11 GPH. Cruising fuel flow 5.6 to 9.3 GPH depending on height, power and OAT. 64. Tire pressure: Main: 28psi, Nose: 34psi 65. Nose gear: Oleo pneumatic shock strut - Air Pressure 45 psi. 66. Temperature Lapse Rate as per ISA: 2°C/1000’ 67. Full Rich mixture MUST be used when operating above 80% power. 68. For easy starting in cold weather, use Primer. 69. Examination of fuel in the system for contamination should be done after every refueling and before first flight of the day.
CESSNA 172R – Q BANK 1. Propeller ground clearance 11’ ¼” 2. Min. turning radius (Pivot point to outboard wingtip) – 27’5 ½” 3. 100LL – Color Blue 4. Ramp weight – Normal Cat.-2457lbs 5. Fuel additive should not exceed 1% for isopryl alcohol or .10% to .15% for DiEGME 6. Ops must b carried out with caution and only in smooth air (yellow arc 129-136kts) 7. White arc 33-85 8. Max window opening speed- 163 9. Oil pressure
Min.
Red line 20psi
10. Normal Green arc 50-90 11. Max
Red line 115 psi
12. Abrupt use of controls prohibited above 99 kts 13. Total fuel: 28USG+28USG= 56US Gallons 14. Unusable 1.5 USG each tank 15. Max. slip or skid duration with one tank dry: 30secs 16. Calibration Card – Magnetic compass- 30degree increments 17. Inadvertent icing – Turn back or change altitude 18. With alternator side of the master switch off, compass deviations of as much as 25degrees may occur 19. Max. airspeed and altimeter variation from normal is 4kts and 30’ 20. The alternator control unit includes an over voltage sensor which normally will automatically shut down the alternator if the charge voltage reaches approximately 31.5 volts 21. Best ROC,MSL = 79KIAS 22. Prior to flight, check that pitot heater is warm to touch within 30sec with battery and pitot heat switches ON 23. Do not operate with less than 5qts. Fill to 8qts for extended flight 24. RPM drop should not exceed 150RPM on either magneto or 50RPM differential between magnetos
25. After starting Oil pressure should indicate pressure within green arc in 30secs in summer and approx 1min. in very cold wx. 26. Starter duty cycle: Crank the starter for 10sec. followed by a 20sec. cool down period, this can be repeated two additional times followed by a 10min. cool down period. After cool down, crank the starter again, three cycles of 10sec followed by 20 secs of cool down. 27. Alternator check- a positive verification can be made by loading electrical system momentarily (3to 5sec) with the landing light or operating the wing flaps during engine run up (1800RPM) 28. Normal enroute climb are performed with flaps up and full throttle and at speeds 5 to 10kts higher than best ROC speeds for the best combination of performance, visibility and engine cooling. 29. Normal cruising: 60-80% power 30. Until a total of 52hrs has accumulated or oil consumption has stabilized, cruising should be done at 80% power 31. Stall warning horn which sounds between 5 to 10kts above stall in all configurations. 32. Operations in direct cross winds of 15kts has been demonstrated 33. Min. turning radius with differential braking is approx. 27’ 34. Nose wheel turns through an arc of 10degree each side of centre by applying either R/L brake. This arc can be increased up to 30degrees 35. Single slot type flaps, mechanical stop provided at 10,20 and 30 degree positions 36. Flap system is protected by 10amp CB 37. Landing gear: Main – tubular spring steel; Nose – Air/Oil shock strut 38. Bottom edge of the fuel filler tab, 17.5 gallons unusable in each tank 39. Operating with one tank dry when ¼ full or less do not allow airplane to remain in uncoordinated flight for periods in excess of 30secs 40. Parking brakes- Set the brakes with rudder pedals, pull the handle aft, and rotate it 90degree down 41. Voltage < 24.5 volts, red annunciation volts will flash for approximately 10secs before becoming steady. 42. Attitude indicator has index marks 10,20,30,60 and 90degrees. 43. DG- lower left- adjusts the compass card error to correct for precision, lower right is used to move the heading bug. 44. Avionics Fan operates when Master and Avionics switches are both ON
45. Avoid covering opening on back side of microphone for optimum noise canceling. 46. Stuck microphone is kept continuously for greater than 33secs, the transmitter stops transmitting. 47. VSI indicated ROC/ROD in feet per min. 48. Carburetor icing 49. Engine flooding during start yp 50. Cabin heating ventilation system 51. Best fuel economy- Peak EGT 52. Voltmeter/OAT order in panel (2nd choice) 53. Black smoke from exhaust? 54. Alternate static vent- positioned at centre case of instrument panel 55. ELT annunciator 56. Clock can be tested by …(located on upper left of instrument panel) 57. When oil pressure is below 20psi, OIL PRESS illuminates
Tech. Specific-172R Q.1
After starting the engine, how soon must the oil pressure register in cold weather? Oil Pressure should register in 60 Sec.
Q.2
In event of attain ate static door open ASI will give an error of 9 Kts altimeter of 30’ in closed window combination.
Q.3
What is the Propeller ground clearance? Propeller ground clearance is 111/4’’
Q.4
What is the minimum turning radius? Minimum turning radius is 27’5.5”.
Q.5
Up to what speed can the flying controls be applied abruptly? Abrupt use of flying controls prohibited beyond 99 kts. (For normal category). Abrupt use of flying controls prohibited beyond 94 kts. (For utility category). (This is the maneuver speed - VA) (Lighter the a/c lower the Va).
Q.6
What is the Yellow arc Minimum and maximum speeds on the ASI? What do they indicate? Yellow arc: Min.129 kts to Max.163 kts. In this range operations must be conducted With caution and only in smooth air.
Q.7
What is the minimum and maximum oil pressure? What is the Green arc pressure range? Min. oil pressure -- 20 PSI. Max. oil pressure – 115 PSI. Green arc 50 to 90 PSI.
Q.8
Animator does not activate on bow and fuel flow.
Q.9
Switch off alternator normally if the voltmeter reads more than 31.5 volts.
Q.10
Compass error more than 25 degree may come in event of alternate switch off.
Q.11
For may cabin heat, cabin heat know fully out and cabin air fully in.
Q.12
Attitude indicator’s bank markings are at an increment of 10 degree (10, 20, 30, 60, and 90).
Q.13
DGI has to be aligned regularly on long flight to allow for precession of the gyro.
Q.14
When does the audible stall warning come on? Audible stall warning comes on 5 to10 kts above stalling speed.
Q.15
Avionics essling for switches on automatically when avionics master switches ‘ON’.
Q.16
What is the max speed for opening the window? Max window open speed is 163 kts.
Q.17
What is the unusable fuel quantity in each fuel tank? Unusable fuel quantity is 1.5 gal. In each tank.
Q.19
What are the various weight limitations for Cessna 172 R.? Max ramp weight - 2457 lbs Max Takeoff weight – 2450 lbs Max landing weight – 2450 lbs Max weight in Normal Category Max weight in Utility Category
Q.20
Maximum duration of slip with one tank dry should not exceed 30 Sec.
Q.21
What is the permitted fuel grade and its color? Avgas grade 100 LL which has BLUE colour and Avgas grade 100 Green coloured.
Q.22
Minimum oil quantity 5 quarts; for extended flights fill to eight quarts.
Q.23
Cove. Of DIGEME is .1% to .15%.
Q.24
Use MIL-L-22851 oil after 50 hrs. When consumption stabilizer.
Q.25
Max deflection of nose by rudder on ground is 10° on each side.
Q.26
Mechanical stops on flaps are at 10, 20, 30 degree.
Q.27
What is the type of undercarriage used on Cessna 172? Tricycle undercarriage. Main undercarriage -Tubular spring steel.
(Tyre pressure – 29 PSI.)
Nose undercarriage – Oleo pneumatic strut. (Tyre pressure – 34 PSI.) Nose gear: Oleo pneumatic shock strut - air Pressure 45 PSI.
Q.28
What is the best rate of climb at sea level? Best Rate of climb at sea level is obtained at 79kts.
Q.29
Standard Temperature rate is 2°/1000’.
Q.30
Starter cycle 10 Sec. “ON” 20 Sec. “OFF” for a total of 3 times and then 10 minutes cooling time. After cool down again repeat the above cycle for a maximum of three times. If it does not start, investigate the cause.
Q.31
For the first 50 engine hrs, it should be run at 80% power at revise.
Q.32
Corborator icing in indicated by loss of RPM in fixed pitch propeller and fall of manifold pressure at const. Speed propeller.
Q.33
OAT/Voltmeter gauge selected switch may be tested by pulling the selected button down for 30 Sec.
Q.34
If microphone button is kept pressed for more then 33 Sec, transmission automatically stops.
Q.35
In the event of pilot tube blockage ASI gives incorrect reading.
Q.36
To permit heavier cabin load, fuel load should be reduced to 17.5 gals usable in each tank.
Q.37
Voltmeter/OAT/Clock –Pushing upper control button will change the display on OAT/Voltmeter window.
Q.38
Puff of black smoke occurs due to over-priming.
Q.39
Check magneto drop at 1800 RPM. It should not exceed 150 RPM on either magnate or show greater than 50 RPM differential between magnetos.
Q.40
To apply parking brake: Depress both brake pedals fully. Pull back brake handle fully and turn it down through 90 degrees. The engine driven vacuum system provides the suction necessary to operate DGI and altitude indicator.
Q.42
The actual area of the instrument panel contains static pressure alter rote so were valve.
Q.43
Full Rich mixture MUST be used when operating above 80% power
Q.44
Fuel flow meter range is: 0 – 11 GP. Cruising fuel flow 5.6 to 9.3 GPH depending on height, power and OAT.
Q.45
ASI White arc 33 – 85 kts. Green arc 44 – 129 kts. Yellow arc 129 – 163 kts.
Q.46
In case you encounter ICE, what should you prefer to do? a) Turn back. b) Change altitude. c) Increase engine speed.
Q.47
Low volt warning lights may be tested by test switch.
Q.48
For easy starting in cold weather.
Q.49
a) Primer. b) EGT. c) Mixture. d) RPM. For cooling the a/c engine while climbing you should climb with best rate of climb.
Q.50
If alternator shuts down due to over voltage when will you restart it – only ON GROUND?
Q.51
Static pilot help in the reading of which instrument. ASI (Air speed indicator)
Q.52
Ignition operation is controlled by switch which is labeled R, L, BOTH and START.
Q.53
Operation at peak EGT provides best fuel economy.
Q.54
Oil pressure gauge green arc marking is between 50 – 90 PSI.
Q.55
Examination of fuel in the system for contamination should be done after every refueling And before first flight of the day.
Q.56
The VSI testing ELT what will you do witch the rubber arm. First press it forward “ON”. Then press it backward “RESET”
Magneto check: at 1800 RPM. Mag drop < 150. or more than 50 RPM difference between magnetos.
NO mag. drop indicates faulty ground or mag. timing set in advance of recommended.
Alternator check: At 1800. All reqd services ON – ammeter should show Zero or slight charge. Voltmeter 27 to 29 Volts. All elect. annunciations OFF. Reduce load before reducing RPM.
