Cessna 172S Systems (G1000)

Question 1

Describe the engine on the Cessna 172 R and S models.

Answer 1

Lycoming IO-360-L2A

I = fuel injected

O = horizontally opposed

360 = 360 cubic inch displacement

4 cylinders

Normally aspirated

Air cooled

Direct drive

Question 2

What is the max power output of the Cessna 172S?

Answer 2

180 horsepower AT 2700 rpm

Question 3

How many magnetos and spark plugs are in the Cessna 172S?

Answer 3

2 magnetos provide a spark to

8 spark plugs (2 per cylinder)

Question 4

How large is the Cessna 172S’s oil sump? What is ATP’s required minimum quantity of oil in order takeoff?

Answer 4

8 quart oil sump

ATP minimum oil quantity for takeoff is 6 quarts

Question 5

Describe the propeller on the Cessna 172S.

Answer 5

McCauley

76-inch

Fixed pitch

Question 6

Describe the vacuum system on the Cessna 172S.

Answer 6

Two engine-driven vacuum pumps

Pumps located on the back of the engine

Provides vacuum to the attitude and heading gyros

The normal operating range of 4.5-5.5 inches of mercury

Loss of one pump does not cause loss of any instruments

Question 7

Describe the brakes on the Cessna 172S.

Answer 7

Hydraulically actuated via master cylinders attached to both pilots’ rudder pedals

Question 8

Describe the landing gear on the Cessna 172.

Answer 8

Fixed

Tricycle

Tubular Spring Steel Main Gear

Oleo Nosewheel Strut - Nitrogen/Oil

Question 9

What type of steering does the Cessna 172 nosewheel have? What are its limitations?

Answer 9

Bungee steering on the nosewheel

Limited to 10 degrees in normal movement

Limit increases to 30 degrees when brakes are engaged

Question 10

Why doesn’t the nose gear on the C172S shake/move in flight?

Answer 10

Because the nose gear extends into a locked position during flight

Question 11

Describe the flaps on the Cessna 172S.

Answer 11

Single-slot

Driven by an electric motor in the right wing

10, 20, and 30-degree detents

Question 12

Describe the pitot-static system in the Cessna 172.

Answer 12

Pitot tube on the left wing

Static port left side of the fuselage

Static pressure provided to ASI, Altimeter, and VSI

Ram pressure provided to ASI

Pitot tube is electrically heated

Alternate static source under the instrument panel

Question 13

Describe the fuel system of the Cessna 172S.

Answer 13

2 tanks

56-gallon capacity (53 gallon usable)

13 sumps (5 each wing and 3 under engine cowling)

3 fuel vents (1 under left wing and 1 in each fuel cap)

Question 14

How is fuel provided to the engine in the Cessna 172S?

Answer 14

Fuel is gravity fed

The basic sequence of fuel:

Question 15

Where are the various antennas situated on the Cessna 172S (Nav III)? What are their functions?

Answer 15

IIII