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Quiz: Can You Answer These 6 Multi-Engine Aircraft Questions?

Ready for an engine failure?


  1. 1) In a multi-engine airplane with conventionally rotating propellers, which engine is the critical engine?

    The left engine is the critical one. That's because if you lose the left engine, you will have more adverse effects on the airplane's performance.

    The left engine is the critical one. That's because if you lose the left engine, you will have more adverse effects on the airplane's performance.

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  2. 2) Vmc is:
    Josh Beasley

    That's right, Vmc is minimum controllable airspeed. There are several factors that determine that speed, and we'll talk about those in a future training post.

    Vmc is minimum controllable airspeed. There are several factors that determine that speed, and we'll talk about those in a future training post.

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  3. 3) You've logged 18 daytime landings and 5 night time landings in a Piper Seminole in the past two months (all to full stop). You haven't flown a single-engine airplane in the past 6 months. Are you current to carry passengers in a single-engine airplane during the day as well?
    Boldmethod

    That's right, 61.57 (ii) says "the required takeoffs and landings were performed in an aircraft of the same category, class, and type (if a type rating is required), and, if the aircraft to be flown is an airplane with a tailwheel, the takeoffs and landings must have been made to a full stop in an airplane with a tailwheel."

    61.57 (ii) says "the required takeoffs and landings were performed in an aircraft of the same category, class, and type (if a type rating is required), and, if the aircraft to be flown is an airplane with a tailwheel, the takeoffs and landings must have been made to a full stop in an airplane with a tailwheel."

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  4. 4) Most twin-engine aircraft with counter-rotating engines have propellers that rotate:
    ajmexico

    Yep, by rotating inward, neither engine is critical, which is a design advantage in training aircraft like the Piper Seminole. However, some aircraft, like the P-38 Lightning, were designed with outward rotating props for better flight characteristics.

    By rotating inward, neither engine is critical, which is a design advantage in training aircraft like the Piper Seminole. However, some aircraft, like the P-38 Lightning, were designed with outward rotating props for better flight characteristics.

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  5. 5) The one engine inoperative service ceiling of twin-engine aircraft is:
    Boldmethod

    That's right, the one-engine service ceiling for most twins is 50 FPM.

    The one-engine service ceiling for most twins is 50 FPM.

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  6. 6) On most airspeed indicators for multi-engine aircraft, Vmc is marked:
    flightlog

    Yep, most light twins have a red radial line that marks Vmc. 

    Most light twins have a red radial line that marks Vmc. 

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Not bad, but keep studying your twin-engine aircraft.

You scored % How do you stack up to every one else? Share it and find out.

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You have most of this twin-engine stuff down...

You scored % How do you stack up to everyone else? Share it and find out.

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You're pretty much know everything about twin-engine aircraft.

You scored %. No matter what happens in the cockpit, you've got it covered.

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Colin Cutler

Colin is a Boldmethod co-founder, pilot and graphic artist. He's been a flight instructor at the University of North Dakota, an airline pilot on the CRJ-200, and has directed development of numerous commercial and military training systems. You can reach him at colin@boldmethod.com.

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