C152 General Knowledge

Question 1

Cessna 152 is a part 21 aircraft. What does this mean?

Answer 1

Tried, Tested, Designed, Continued Airworthiness, Post-manufacture support

Question 2

What type of aircraft is a non-part 21 aircraft?

Answer 2

A permit to fly

Question 3

What power plant does it have?

Answer 3

Naturally aspirated Lycoming 0-235 L2C engine

Question 4

How many cylinders and what layout for the c152 engine?

Answer 4

Four cylinder, horizontally opposed

Question 5

How are the engine cylinders cooled?

Answer 5

Air cooled

Question 6

Is the c152 engine geared or direct drive?

Answer 6

dd

Question 7

How many HP does the engine produce?

Answer 7

110

Question 8

What type of propeller is on a c152?

Answer 8

Fixed pitch

Question 9

What type of fuel does it use?

Answer 9

AVGAS 100LL

Question 10

What colour is avgas?

Answer 10

Blue

Question 11

Whats the purpose of lead in the fuel?

Answer 11

It increases the octane level of the fuel

Question 12

Whats octane level in fuel?

Answer 12

Compression before ignition

Question 13

Whats the purpose of the carburettor?

Answer 13

Mixes fuel and air together in the correct ratio for combustion

Question 14

At what power settings does the carburettor most likely to suffer from icing?

Answer 14

Low power settings

Question 15

The heat from the exhaust system supplies what two systems?

Answer 15

Cabin and carb heat

Question 16

Whats the danger associated with cabin heat system?

Answer 16

Carbon monoxide poisoning

Question 17

What is the legal requirement to be carried in the plane (detector) in part 21 aircraft?

Answer 17

Carbon monoxide detector

Question 18

What level of CO should you take action at?

Answer 18

300 pts/mil

Question 19

For an A to A flight, what amount of fuel should you land with?

Answer 19

Minimum 10 mins at cruise power setting

Question 20

For an A to B flight, what amount of fuel should you land with?

Answer 20

Minimum 30 mins at cruise power setting

Question 21

What amount of oil (lower and upper limits) should be in the engine?

Answer 21

Min 4 US QTS, max 6 US QTS.

Question 22

The Derby C152s have a special feature fitted to the magneto system, what is it?

Answer 22

EIS - electronic ignition system in place of one magneto

Question 23

What is the speed marked at the bottom of the Airspeed Indicator and what is it’s value?

Answer 23

Stall speed with:
- Flaps up
- MTOW
- Power off

Approx 40kts IAS

Question 24

What RPM should never be exceeded? How is it marked on the tachometer?

Answer 24

2550 RPM, red line

Question 25

What is Va in c152?

Answer 25

104kts

Question 26

What consideration is needed beyond Va?

Answer 26

You cannot make a full control deflection otherwise you will damage the structural integrity of the airframe.

Question 27

The aeroplane should only be operated in the yellow arc in the ASI in ............. air ........ .

Answer 27

Smooth air ONLY

Question 28

Which instruments are the vacuum instruments?

Answer 28

D.I. (direction indicator or heading indicator) A.I. (attitude indicator or artificial horizon)

Question 29

Which systems are electronic on the c152?

Answer 29

Turn coordinator and flaps

Question 30

What's the normal operating range for suction and what unit is used?

Answer 30

3.5 - 5.5" Hg (inches of Mercury)

Question 31

What type of fuel system in c152? How many tanks? How many drains?

Answer 31

- Gravity fed - two in-wing tanks - 3 drains (2 in wings, 1 for gascolator)

Question 32

Total fuel capacity? What is this level stated as?

Answer 32

92L usable

Question 33

Typical fuel consumption at cruise speed?

Answer 33

23 L/hr @ 90kts

Question 34

What quantity of fuel in the aircraft at 3/4 full?

Answer 34

69L

Question 35

What consideration is made for all flying controls on c152?

Answer 35

Mass balanced

Question 36

Why are the controls mass balanced?

Answer 36

To reduce risk of flutter

Question 37

What type of ailerons are fitted?

Answer 37

Frise ailerons

Question 38

What phenomenon does the type of aileron fitted reduce?

Answer 38

Adverse yaw

Question 39

What is adverse yaw?

Answer 39

When the nose yaws to the opposite way to the roll induced on the aircraft

Question 40

Safety briefing?

Answer 40

S - Seat belts - Seat position A - Aeroplane don't touch controls unless I say - Action in case of discomfort (sick bags) F - Fire extinguisher (location and operation) E - Exit doors, how to use - Emergency evacuation plan (door open before landing, brace position) - Emergency survival equipment (PLB) T - Traffic spotting and informing - Talking (when to be quiet) Y - Your questions? Also: - no smoking airside or on aerodrome - keep good lookout - watch an listen for propellers and flashing lights - approach and leave plane to the rear