Test 2 Questions

Question 1

With respect to the operations of the gear, what statement is true?

Answer 1

• the gear can be extended at any speed at or below 140
• the gear has to be retracted at any speed less than or equal to 109
• when cycling the gear do not reverse directions when the pump is running
  (All of the above)

Question 2

If you were operating a Piper Seminole that weighed 3450 lbs and you encountered moderate turbulence, what speed should the a/c be slowed to in order to avoid structural damage?

Answer 2

127 knots!

According to notes:
3,800lbs = 135 knots
3,450lbs = 127 knots
2,870lbs = 115 knots

Question 3

On climb out, you experience a hard roll and yaw force to the right with a significant reduction in climb rate and speed - what is most likely the problem?

Answer 3

…
The right engine has failed?
The right engine governor has failed?

Question 4

Which of the following speeds in the Seminole would give you the best single engine climb rate?

Answer 4

Vyse = 88 knots

Question 5

Which of the following speeds in the Seminole is the minimum speed at which directional control can be maintained under FAR Part 23 certification standards?

Answer 5

Vmc = 56

Question 6

Which of the following statement is True about Vmc, with regard to an increase in weight?

Answer 6

• Vmc will decrease with an increase in weight

Question 7

The published Vmc speed for all the Seminoles was calculated under which condition? (in regards to landing gear)

Answer 7

• Landing gear retracted

Question 8

How will lowering the landing gear and flap affect Vmc?

Answer 8

DECREASE Vmc

Question 9

What CG location and gross weight would lead to the LOWEST Vmc speed?

Answer 9

• Forward CG at the heaviest weight

Question 10

What actions should a pilot take if they begin to lose directional control when operating single-engine?

Answer 10

…checklist

• decrease engine power on good engine
• pitch down to increase airspeed
• feather the prop on the inop engine
• simultaneously execute a and b

Question 11

The a/c’s single engine service ceiling is the:

Answer 11

Highest altitude the a/c can maintain a 50 FPM climb rate when single engine

Question 12

The a/c’s service ceiling is:

Answer 12

The highest altitude the a/c can maintain a 100 FPM climb rate

Question 13

Zero side slip condition in the Piper Seminole is identified as:

Answer 13

1/2 ball deflection and 2-3 degrees of bank

Question 14

In the Piper Seminole which engine, if failed, would most adversely affect performance and controllability?

Answer 14

Neither

Question 15

In the a conventional rotating twin, which engine would most adversely affect performance and controllability if failed?

Answer 15

Left engine!

Question 16

V1 is defined as:

Answer 16

Takeoff DECISION speed

Question 17

The distance required to accelerate the a/c on takeoff to liftoff speed, experience an engine failure, and come to a complete stop is:

Answer 17

Accelerate-stop distance

Question 18

The distance required to accelerate the a/c on takeoff to liftoff speed, experience an engine failure, and climb to 50’ above the runway is:

Answer 18

Accelerate-GO distance

Question 19

There are 4 factors described in class that make the ___ engine critical, and when that engine fails what factor reduces the airflow over the rudder?

Answer 19

• Left

- Accelerated Slipstream

Question 20

How will Increasing Weight affect Vmc?

Answer 20

Increased WT = Decreased Vmc

Question 21

How will moving the CG Forward affect Vmc?

Answer 21

Forward CG = Decreased Vmc

Question 22

How will Vmc be affected when the a/c leaves ground effect?

Answer 22

Increased Altitude = Decreased Vmc

Question 23

How will Vmc be affected when power is REDUCED on the operating engine, and the opposite prop is feathered?

Answer 23

REDUCED POWER = Decrease Vmc

- Less adverse yaw!

Question 24

How will EXTENDED (lowered) gear affect Vmc?

Answer 24

Lowered Gear = Decrease Vmc

Question 25

How will RETRACTED gear affect Vmc?

Answer 25

Retracted Gear = Increased Vmc

Question 26

How will a LOWER density altitude value affect Vmc?

Answer 26

Lower DA = Increased Vmc

Question 27

How will an AFT CG affect Vmc?

Answer 27

Aft CG = Increased Vmc

Question 28

How does a FEATHERED prop vs a WINDMILLING prop affect Vmc?

Answer 28

Feathered Prop = Decreased Vmc | - Windmilling prop increases Vmc and has -200fpm performance cost

Question 29

How will DECREASING weight affect Vmc?

Answer 29

Decreased WT = Increased Vmc

Question 30

TRUE or FALSE: Stall speed and Vmc DECREASE as density altitude INCREASES (assume normally aspirated engine)

Answer 30

TRUE

Question 31

TRUE or FALSE: In all multi-engine a/c stalls will always occur before losing directional control

Answer 31

FALSE (D.A. and IAS chart!!!)

Question 32

TRUE or FALSE: Vmc is calculated with the inoperative engine's propeller windmilling unless the a/c is equipped with an auto-feathering system

Answer 32

TRUE - "The a/c will be left with a windmilling propeller" pg 151 - Props and in T/O position

Question 33

TRUE or FALSE: If the pilot uses the wings level method for the a/c control following an engine failure the a/c is considered in coordinated (no slip or skid)

Answer 33

False...

Question 34

TRUE or FALSE: To achieve maximum performance single-engine the pilot should pitch for Vyse and establish zero sideslip

Answer 34

True

Question 35

In the Piper Seminole's gear system, what shuts the pump OFF during gear retraction?

Answer 35

- Pressure switch reaching approx 1800 psi

Question 36

The squat switch on the Piper Seminole's RIGHT main gear:

Answer 36

- Disables lift detectors on the on the wing to prevent stall warning horn on ground - Activates mx hobbs (b and c)

Question 37

Which of the following electrical buses in the Piper Seminole's electrical system has power regardless of the a/c's master switch position

Answer 37

Battery Bus

Question 38

When the RIGHT fuel selector is in the X-FEED position in the Piper Seminole the:

Answer 38

- The LEFT Engine is drawling fuel from the LEFT Tank | - The RIGHT Engine is drawling fuel from the LEFT Tank

Question 39

What does FAR 23.149 define?

Answer 39

- Minimum Control Speed (Vmc) - CAS at which, when the critical engine fails, it is possible to maintain Directional Control of the a/c (maintain straight and level flight at the same speed with no more than 5 degrees bank)

Question 40

What 13 certification requirements/conditions are used to determine an a/c's Vmc?

Answer 40

1. Critical Engine is failed 2. Directional Control is maintained 3. Bank Angle is 5 degrees or less 4. No more than 1.2Vs1 5. A/c is at most unfavorable CG and weight 6. Airborne (out of ground effect) 7. Max. power on both engines 8. Cannot reduce power on either engine 9. A/c is trimmed for takeoff 10. Gear is up, Flaps and Props in T/O condition 11. 150lbs Max force on Rudders 12. A/c must not enter unusual attitudes 13. No heading changes greater than 20 degrees

Question 41

WHY is it important to know the parameters under which Vmc of our a/c was determined?

Answer 41

SO THAT WE KNOW THE PERFORMANCE OF OUR A/C IN AN ENGINE OUT SITUATION

Question 42

What are the 4 factors that MAKE the Left engine critical on a conventional twin? Explain them.

Answer 42

1. P-Factor - (Propeller Factor) greater lift/thrust is created by descending prop blade, causing asymmetric thrust and left turning tendencies (eliminated on counter-rotating twins) 2. Accelerated Slipstream - Accelerated air on the side with the DESCENDING prop blade create greater lift vector (think of picture) 3. Spiraling Slipstream - Propwash impacts LEFT side of vertical stabilizer/rudder 4. Torque - For every action there's an equal and opposite reaction

Question 43

What are the 3 types of Hydroplaning?

Answer 43

1. Dynamic - Tires sit on top of water on runway (9 x Square root of the Tire Pressure) 2. Viscous - Altered runway surface (paint) 3. Reverted Rubber - Friction turns water into steam that is so hot it melts the tire

Question 44

What is the Absolute Ceiling for an a/c?

Answer 44

The altitude at which you can no long maintain a climb rate (0 fpm)

Question 45

What is max T/O weight AND certified Landing weight for the Piper Seminole?

Answer 45

3,800lbs

Question 46

What is mx RAMP weight for the Piper Seminole?

Answer 46

3,816lbs

Question 47

TRUE or FLASE: Vmca is a stalled condition

Answer 47

TRUE!!!!!

Question 48

What is powered by the Emergency Battery?

Answer 48

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Question 49

Why is Vlo (ret) lower than Vlo (ext)?

Answer 49

- Pump must work harder when gear is being retracted | - Gear door limitations

Question 50

Why do we have a Vlo (ext) speed?

Answer 50

Due to gear DOOR limitations!

Question 51

The Piper Seminole's landing gear is ____ powered, and ____ operated.

Answer 51

1. Electrically Powered 2. Hydraulically Operated (electrically powered hydraulic pump)

Question 52

What instruments in the Piper Seminole operate off the vacuum system?

Answer 52

NONE! There is no vacuum system because the Seminole does not have any gyroscopic instruments, they are ALL electrically driven!

Question 53

What part of the Seminole is most likely to accumulate ice the fastest?

Answer 53

The tail!

Question 54

What are the 2 categories of Autopilot?

Answer 54

1. Attitude Based - More accurate 2. Rate Based - Pressure changes - Independent static sources - Lag a little

Question 55

What are the 3 axis categories Autopilot can cover?

Answer 55

1 Axis: Roll 2 Axis: Roll + Pitch 3 Axis: Roll + Pitch + Yaw

Question 56

What is Basic Empty Weight?

Answer 56

Standard empty weight plus optional equipment

Question 57

When the aircraft leave ground affect, what happens to Vmc?

Answer 57

Out of ground affect = INCREASED Vmc

Question 58

When power is reduced on the operative engine, what happens to Vmc?

Answer 58

Power reduced = Decreased Vmc

Question 59

If Density Altitude is a LOWER VALUE, how is Vmc affected?

Answer 59

According to Lovelace, Vmc will Increase with an decreased Density Altitude value.