Multi-Engine Aircraft Operations
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Questions and Answers

On a multi-engine aircraft equipped with a conventional constant-speed, variable-pitch, full-feathering propeller, which direction does increasing oil pressure in the propeller hub move the blades?

  • Toward low-pitch, high rpm (correct)
  • Toward high-pitch, low rpm
  • Toward low-pitch, low rpm
  • What is the recommended bank angle to use when performing turns with one engine inoperative?

  • 10 degrees
  • 5 degrees
  • 20 degrees
  • 15 degrees (correct)
  • In a high AoA situation, the descending blade of the propeller generates asymmetry due to:

  • The prop. having 3 blades
  • It being heavier than the ascending blade
  • The ascending blade generating more effective thrust
  • A higher thrust generated than the ascending blade (correct)
  • Which factors lower Vmc?

    <p>An increase in weight and forward CG (C)</p> Signup and view all the answers

    The propellers asymmetric load contributes the left turning tendency in conventional airplanes.

    <p>True (A)</p> Signup and view all the answers

    In case of a sudden power reduction during an approach, a high ROD is observed due to:

    <p>reduced induced airflow (C)</p> Signup and view all the answers

    There are 2 types of fuel pumps to provide fuel pressure: engine driven fuel pumps and electrical boost pumps.

    <p>True (A)</p> Signup and view all the answers

    The recommended T/O speed is Vmc + 5 kts.

    <p>True (A)</p> Signup and view all the answers

    To execute an instrument approach on one engine, plan to fly the final approach segment at Vyse or Vmc, whichever is lower.

    <p>False (B)</p> Signup and view all the answers

    The right engine is critical in multi-engine airplanes that have engine configurations in which both propellers turn clockwise.

    <p>False (B)</p> Signup and view all the answers

    Vxse is defined as:

    <p>Best angle of climb OEI (C)</p> Signup and view all the answers

    During T/O run, in addition to monitoring the RPM, MAP, and oil temperature and pressure, the pilot should also check:

    <p>FF and airspeed (C)</p> Signup and view all the answers

    Select the true statement:

    <p>Executing a stabilized app. can help prevent having to perform a risky engine-out go-around (A)</p> Signup and view all the answers

    The recommended procedure for tight turns while rolling on the ground is:

    <p>Power differential (D)</p> Signup and view all the answers

    An engine failure must be considered for all departures in a multi-engine airplane.

    <p>True (A)</p> Signup and view all the answers

    The speed for best rate of climb in a multi-engine airplane is called:

    <p>Vy (B)</p> Signup and view all the answers

    The ASD is longer when the density altitude is lower.

    <p>False (B)</p> Signup and view all the answers

    The left engine is the critical engine in all twin engine aircraft.

    <p>False (B)</p> Signup and view all the answers

    The asymmetrical load of the propellers tends to make conventional airplanes to turn to the left.

    <p>True (A)</p> Signup and view all the answers

    The landing gear warning horn will not sound if the gear is up and only one throttle is reduced to idle.

    <p>False (B)</p> Signup and view all the answers

    What rate of climb determines the single-engine service ceiling for a twin-engine airplane?

    <p>50 ft/min (C)</p> Signup and view all the answers

    If you determine the inoperative engine cannot be restarted after failure, you should always feather the propeller to reduce drag.

    <p>True (A)</p> Signup and view all the answers

    Define T/O decision speed (V1):

    <p>The highest speed at which the pilot must initiate action to stop the airplane in the event of an aborted takeoff (A)</p> Signup and view all the answers

    During takeoffs, a propeller synchronizer may be used to balance the rpm between the engines.

    <p>False (B)</p> Signup and view all the answers

    During a OEI approach, flaps should be operated as little as possible until the landing is assured.

    <p>True (A)</p> Signup and view all the answers

    Which of the following causes more drag during an engine failure?

    <p>Windmilling propeller (D)</p> Signup and view all the answers

    If a T/O is initiated at an altitude greater than OEI service ceiling, an engine failure will result in:

    <p>level flight after take-off (D)</p> Signup and view all the answers

    The altitude at which Vx and Vy are the same is called:

    <p>Absolute ceiling (B)</p> Signup and view all the answers

    A red light on the landing gear indication system means the wheels are ascending, descending or not yet locked.

    <p>True (A)</p> Signup and view all the answers

    Turbocharging increases the service airplane's ceiling by:

    <p>providing sea level or greater map at high altitudes (B)</p> Signup and view all the answers

    Study Notes

    Propeller Operation in Multi-Engine Aircraft

    • Increasing oil pressure in the propeller hub moves the blades towards low-pitch, high rpm.
    • The recommended bank angle for turns with one engine inoperative is 15 degrees.

    Propeller Assymetry in High AoA

    • In high Angle of Attack (AoA) situations, the descending propeller blade generates more thrust than the ascending blade, causing asymmetry.

    Factors Affecting Vmc

    • Factors that lower Vmc (the minimum control speed) is an increase in weight and a forward CG.

    Propeller Effect on Airplane Turns

    • Propeller asymmetry contributes to a left turning tendency in conventional airplanes.

    Power Reduction During Approach

    • A sudden power reduction during an approach results in a high rate of descent (RoD).

    Fuel Pump Types

    • There are two types of fuel pumps: engine-driven fuel pumps and electrical boost pumps.
    • The recommended takeoff speed is Vmc + 5 knots.

    Instrument Approach on One Engine

    • In a single-engine instrument approach, fly the final approach segment at Vx or Vmc, whichever is lower.

    Critical Engine in Multi-Engine Aircraft

    • The critical engine in a multi-engine aircraft is the one that is not in the same clockwise rotation, not the left engine itself.

    Definition of Vyse

    • Vyse is defined as the best angle of climb with one engine inoperative (OEI).

    Pre-Takeoff Checks

    • During takeoff roll, monitor RPM, map, oil temperature, and pressure, as well as flight instruments and fuel quantity, flaps and cabin doors.

    Engine-Out Go-around Prevention

    • Executing a stabilized approach helps prevent risky engine-out go-arounds.
    • The recommended procedure for tight turns while rolling on the ground is to use nose wheel turning in conjunction with brake differential.

    Engine Failure Consideration

    • Engine failure must be considered for all departures in a multi-engine airplane.

    Best Rate of Climb Speed

    • The speed for best rate of climb in a multi-engine aircraft is Vy.

    Density Altitude and ASD

    • The longer the ASD (absolute service ceiling), the lower the density altitude.

    Propeller Rotation and Turn Tendency

    • Propeller asymmetry, despite both propellers turning clockwise, leads to a left-turning tendency.

    Landing Gear Warning Horn

    • The landing gear warning horn will sound if the gear is up and only one throttle is reduced to idle.

    Single-engine Service Ceiling

    • The single-engine service ceiling for a twin-engine airplane is determined by a 50 ft/min climb rate.

    Inoperative Engine and Propeller Feathering

    • If the inoperative engine cannot be restarted, feather the propeller to reduce drag.

    Definition of V1

    • V1 is the decision speed for stopping the airplane in the event of an aborted takeoff.

    Propeller Synchronizer Use

    • A propeller synchronizer may be used to balance the RPM between engines during takeoff but is not necessary.

    Flaps and Landing During OEI Approach

    • During an OEI (one engine inoperative) approach, flaps should be used as little as possible until the landing is assured.

    Maximum Drag Condition

    • The windmilling propeller causes the most drag during engine failure.

    Altitude and Ceiling in OEI Operations

    • Initiating a takeoff above the service ceiling with a single-engine failure results in level flight.

    Altitude at Equal Vx and Vy

    • The altitude at which Vx and Vy are the same is the absolute ceiling.

    Landing Gear Indication Red Light

    • A red light on the landing gear indication system indicates the wheels are not yet locked.

    Effect of Turbocharging on Ceiling

    • Turbocharging increases the service ceiling by providing a sea level or higher map at higher altitudes.

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    Description

    This quiz covers essential concepts related to the operation of multi-engine aircraft. Topics include propeller dynamics, recommended bank angles, and the effects of asymmetry and weight on flight performance. Test your knowledge on factors influencing aircraft control and fuel systems.

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