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MEI > V-Speeds and Emergencies > Flashcards

V-Speeds and Emergencies Flashcards

1
Q

VY

A

88 KIAS

Best rate of climb speed

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2
Q

Vxse

A

82 KIAS

Best angle of climb speed with one engine inoperative

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3
Q

Vyse

A

88 KIAS

Best rate of climb speed with one engine inoperative

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4
Q

Vsse

A

82 KIAS

Safe speed for intentional engine failure

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5
Q

Vso

A

56 KIAS

Stall speed in the landing configuration

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6
Q

Vmc

A

57 KIAS

Minimum Control speed (Directional Control)

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7
Q

Vs

A

60 KIAS

Stall speed in the clean configuration

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8
Q

Vr

A

75 KIAS

Rotation Speed

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9
Q

Vfe

A

111 KIAS

Full flaps extended speed

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10
Q

Vlo (retract)

A

109 KIAS

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11
Q

Vlo (extend)

A

Gear extension operating speed

140 KIAS

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12
Q

Vle

A

140

Landing gear extended speed

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13
Q

Vno

A

169 KIAS

Maximum structural cruising speed (smooth air)

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14
Q

Vne

A

202 KIAS

Never exceed speed

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15
Q

Va

A

135 KIAS @ 3800 lbs.
112 KIAS @ 2700 lbs.
Maneuvering speed (1 flight control, 1 direction)

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16
Q

Max Demonstrated X-wind

A

17 knots

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17
Q

Single Engine Approach speed

A

90 KIAS

Flaps 25

18
Q

Zero Thrust Setting

A

2000 rpm and 13-15 inches manifold pressure

19
Q

MRA for Vmc demo

A

Above 3,000 AGL

20
Q

3 Results of an engine failure

A

Roll
Yaw
Pitch Down

21
Q

How much performance is lost with an engine failure?

A

80%

22
Q

What is the FAR that explains Vmc?

A

FAR 23.149

23
Q

What is Vmc?

A

The calibrated airspeed at which when the critical engine is made inoperative it is possible to maintain directional control with the engine still inoperative and maintain straight flight at the same speed with an angle of bank no more that 5 degrees

24
Q

What are the 12 conditions Vmc is certified with?

A
  1. Most unfavorable weight
  2. Most unfavorable C.G.
  3. Critical Engine Inoperative
  4. Propeller windmilling
  5. Landing gear retracted
  6. Flaps in the takeoff position
  7. Propeller controls in the takeoff position
  8. Airplane trimmed for takeoff
  9. No more than 150 lbs. of rudder force needed by the pilot
  10. Airplane must not assume any dangerous attitude
  11. Maximum takeoff power on each engine initially
  12. Sea Level conditions
25
Q

What is the difference between Vmc and Vmca?

A

Vmca is actual conditions and is a static number (changing)

Vmc is the certified published number based on the conditions in FAR 23.149

26
Q

How is Vmc effected by an increase in weight?

A

Vmc decreases because weight adds stability

27
Q

How is Vmc effected as the C.G. Is shifted forward?

A

Vmc decreases because there is a longer arm for rudder effectiveness, better rudder authority

28
Q

How is Vmc effected is power on the operating engine is decreased?

A

Vmc decreases because less thrust is produced which means a smaller yawing force is needed to be overcome
Less power less asymetric thrust

29
Q

How is Vmc affected with landing gear lowered?

A

Vmc decreases. Gear stabilizes the plane via keel effect

30
Q

How does a windmilling propeller effect Vmc?

A

Vmc decreases as drag decreases on the inoperative engine, Vmc is highest when the propeller is windmilling

31
Q

Why does an airplane pitch down with an engine failure?

A
  • Thrust reduced by half
  • Loss of total lift created by wings and less negative lift created by the horizontal stabilator
  • Loss of accelerated slipstream over the tail, Seminole has a less pitch down effect because tail is not in the stream of the engine
32
Q

Why does the airplane yaw towards the dead engine with an engine failure?

A
  • Caused by loss of thrust and increased drag on the inoperative engine
  • Requires additional rudder pressure on the side of the operating engine to overcome the asymetric thrust caused by the operating engine and drag caused by the inoperative engine
  • “Dead foot, dead engine”
33
Q

Why does the airplane roll towards the inoperative engine with an engine failure?

A
  • Operating engine is producing more thrust which creates a yaw towards the inoperative engine
  • as the airplane yaws the wing moves faster and is creating more lift which makes it yaw
34
Q

Engine Failure Before Vr (Aborted Takeoff)

A

Throttles-idle
Brakes-As required
Engine-Shutdown if required

35
Q

Engine Failure above Vr (Takeoff Aborted/Land on remaining runway)

A 
Pitch Attitude-Lower
Directional Control-Maintain
Throttles-As required
Airspeed-At least 88 KIAS
Landing Gear Down-Land straight ahead
Engines-Shutdown if necessary
36
Q

Engine Failure Above Vr (Takeoff Continued)

A 
Directional Control-Maintain
Mixtures-Full Forward
Propellers-Full Forward
Throttles-Full Forward
Fuel Selectors-On
Flaps-Up
Landing Gear-Retracted 
Fuel Pumps-On
Inoperative Engine-Identify
Throttle (Inoperative Engine)-Idle
Propeller Control (inoperative Engine)-Feather 
Mixture (Inoperative Engine)-Idle/Cutofff
Establish Bank-2 to 3 degrees
Airspeed-88 KIAS
*After 600 AGL the instructor will initiate the engine failure using the THROTTLE ONLY
37
Q

Engine Failure Flight (Above Vmca)

A

Inoperative Engine-Identify
Operative Engine-Adjust power as required
Airspeed-Maintain at least 88 KIAS

Non-Memory Items: (Troubleshoot if altitude permits)
Fuel selector (Inoperative Engine)-On
Carburetor Heat (Inoperative Engine)-On
Mixture (Inoperative Engine)-Rich
Fuel Pump (Inoperative Engine)-On
Fuel Quantity (Inoperative Engine)-Check
Oil Pressure and Temperature (Inoperative Engine)-Check
Magneto Switches (Inoperative Engine)-Check
Carburetor Heat-As required
*If engine does not start proceed to engine securing procedure

  • 500ft AGL to 4,000ft AGL: Retarding throttle only for engine failure
  • Above 4,000ft AGL: Throttle, Mixture or Fuel Selector Valve
38
Q

What are the engine starter cycle time limits?

A

30 seconds on, 1 minute off: 2 times then 2 minutes off

Use the timer on the yoke

39
Q

What is the slow warm up procedure after restarting a feathered engine?

A
  1. Propeller Lever-2,000 rpm
  2. Throttle Lever-15 inches mp
  3. Adjust cowl flaps as necessary
40
Q

Emergency Descent Procedure

A 
Throttles-Closed
Carburetor Heat-On
Mixture-As required
Prop Control-Forward
Landing Gear-Extend 140 KIAS Max.
Airspeed-140 KIAS Max.

*For training purposes the maneuver should be terminated as soon as the descent is stabilized to prevent shock cooling of the engine

41
Q

Vx

A

82 KIAS

Best angle of climb speed

MEI (2 decks)

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