Aircraft Systems

Question 1

What does the acronym LHAND stand for when it pertains to the engine of the Piper Archer?

Answer 1

L - Lycoming
H - Horizontally Opposed
A - Air Cooled
N - Normally Aspirated
D - Direct Drive

Question 2

What’s the difference between Piper Archers made in 2022 vs prior to 2022?

Answer 2

Archers with model years prior to 2022 have carbureted engines,
and those with model years from 2022 onwards have fuel-injected engines.

Question 3

How many spark plugs does the Piper Archer have? And why?

Answer 3

8. Engine ignition is provided through the use of two engine-driven magnetos, which are independent of the aircraft’s electrical system and each other. Each magneto powers one spark plug per cylinder

Question 4

What temperatures can carburetor icing occur?

Answer 4

For aircraft with carbureted engines, under certain atmospheric conditions at temperatures of 20° to 70° F (-5° to 20° C)

Question 5

What causes carburetor icing?

Answer 5

This is due to the high air velocity
through the carburetor venturi and the absorption of heat from this air by vaporization of the fuel.

Question 6

What are the initial signs of carburetor icing?

Answer 6

The initial signs of carburetor ice can include engine roughness and a drop in RPM

Question 7

What’s the acceptable range for oil in the Archer? What’s the amount you should never drop below?

Answer 7

The acceptable range for oil in the Archer is 6.5–8 quarts. Never depart with the oil indicating below 6 quarts.

Question 8

What propeller does the Archer have on it? What’s the diameter and red line RPM?

Answer 8

The Archer is equipped with a Sensenich two-bladed, fixed-pitch, metal propeller. The propeller diameter is 76 inches. Maximum RPM (red line) is 2700 RPM

Question 9

What landing gear does the Archer have?

Answer 9

The landing gear is a fixed, tricycle-type gear, with oleo (air/oil) struts providing shock absorption for all three wheels

Question 10

What is the purpose of the “Shimmy Damper”?

Answer 10

Dampens nose wheel vibrations during ground operations and centers the nose wheel in the air.

Question 11

What degree can the nose wheel turn to on each side?

Answer 11

20 Degrees

Question 12

Does the Archer have disc brakes or drum brakes?

Answer 12

Disc brakes

Question 13

Is the flap system on the Archer manual or hydraulic?

Answer 13

Manual

Question 14

What are the flap degrees settings?

Answer 14

0°, 10°, 25°, and 40°, and are spring-loaded to return to the 0 ° position.

Question 15

What is the ATP policy for flap usage?

Answer 15

ATP operations require flaps 25° for all landings except:
* Short and soft field, flaps 40°
* Precision approach, flaps 10°

Question 16

Where is the pitot head located?

Answer 16

Bottom of the left wing

Question 17

What are the three pitot-static instruments?

Answer 17

The airspeed indicator,
altimeter, and vertical speed indicator.

Question 18

What kind of fuel does the Piper Archer use?

Answer 18

100 low lead avgas (blue in color)

Question 19

What size fuel tanks does the Piper have?

Answer 19

25 Gallon tanks (x2)

Question 20

How many gallons of unusable fuel are there in each tank?

Answer 20

One gallon

Question 21

The Archer is equipped with how many fuel pumps and what powers them?

Answer 21

There is one engine-driven and
one electrically driven fuel pump.

Question 22

When is the electric fuel pump used?

Answer 22

The electric fuel pump is used for all takeoffs and landings, and when switching tanks.

Question 23

What are the three positions of the fuel selector?

Answer 23

The positions are “L”, “R”, and “OFF”.

Question 24

What is the procedure for switching tanks in cruise flight?

Answer 24

1. Electric fuel pump on
2. Fuel selector from “L” to “R” or from “R” to “L”
3. Check fuel pressure
4. Electric fuel pump off
5. Check fuel pressure

Question 25

When should fuel tanks NOT be changed?

Answer 25

During critical phases of flight

Question 26

When should fuel takes be changed?

Answer 26

Every 30 minutes and during non-critical phases of flight.

Question 27

The Archer is equipped with what electrical system?

Answer 27

The Archer is equipped with a 28-volt DC electrical system and a 24-volt lead acid main battery.

Question 28

How is electrical power supplied?

Answer 28

A 70-amp engine-driven alternator.

Question 29

When do you not reset a popped circuit breaker?

Answer 29

When smoke can be smelled

Question 30

What do you do in the event of the ALTERNATOR INOP annunciator lighting up?

Answer 30

Follow the "ALT Annunciator Illuminated" checklist.

Question 31

Where can the expanded ALT Annunciator Checklist be found in the POH?

Answer 31

Section 3.25

Question 32

What are the components of the Garmin G500?

Answer 32

* Primary Flight Display (PFD, left) and Multi-Function Display (MFD, right) * Attitude Heading Reference System (AHRS) * Air Data Computer (ADC) * Magnetometer * Temperature Probe * Dual Garmin GNS 430 GPS

Question 33

In the case of a G500 failure, what is the Archer equipped with to handle this situation?

Answer 33

-An electrically-powered gyroscopic standby attitude indicator with an internal battery backup -A conventional standby altimeter and standby airspeed indicator, connected to the pitot-static system -A magnetic compass for heading reference

Question 34

What do you do when you see an amber status LED blinking next to the STBY PWR button?

Answer 34

Press and release the STBY PWR button once to continue the operation of the standby attitude indicator.

Question 35

What are the pilot actions when the Attitude & Heading Reference System (AHRS) fails?

Answer 35

1. Use the standby attitude indicator. 2. Continue using HSI on PFD. Verify track against magnetic compass heading. 3. Precision (ILS) and non-precision (GPS, localizer, and VOR) approaches can be accomplished.

Question 36

What are the pilot actions when the PFD fails?

Answer 36

1. Refer to the standby instruments. 2. Use the GPS CDI page for navigation and approaches. CLR - Press and hold for 3 seconds to return to default CDI page 3. Only GPS non-precision approaches can be accomplished.

Question 37

What are the pilot actions when you experience electrical failure?

Answer 37

1. Use standby attitude indicator. Press the "STBY PWR" button right of the blinking LED to continue operating using its internal battery. 2. Use standby airspeed, altimeter, and compass. 3. Declare an emergency and exit IMC as soon as practicable. The manufacturer does not specify the endurance time of the integral emergency battery.

Question 38

What are the pilot actions when Air Data Computer (ADC) fails?

Answer 38

Use standby airspeed indicator and altimeter.

Question 39

Where is the stall horn located?

Answer 39

The leading edge of the left wing.

Question 40

When does the stall horn activate and what sound does it make?

Answer 40

It activates between 5 to 10 knots above stall speed. It makes a continuous sound.