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How Aircraft Are Designed to Operate During an Engine Failure

July 28, 2019
3 min read
Emirates A380 JFK takeoff
How Aircraft Are Designed to Operate During an Engine Failure
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Modern aircraft are by any measure extremely safe. However, on occasion issues do arise during flight, like engine failures. While they are rare, they do happen. The good news is that modern aircraft are designed to be able to operate safely even with an engine out.

Passengers on a recent Emirates flight experienced this firsthand. An A380 lost an engine 20 minutes into its flight from Toronto to Dubai and issued a PAN-PAN call (meaning a situation is urgent but does not necessarily pose an immediate danger to either passengers or the aircraft) to Air Traffic Control (ATC). The aircraft was able to dump fuel to reduce landing weight and then return safely to Toronto about two hours after take-off. While you might think that flying around for a couple of hours with an engine out is a bad idea, the reality of the situation is that the aircraft is designed and tested to do just that, and do it safely.

While the A380 is equipped with four engines, most modern aircraft fly with only two. But even twin-engine planes are designed to be able to take off, fly and land safely with only one engine in operation.

That's because most modern twin-engine commercial aircraft have an Extended-Range Twin-Engine Operational Performance Standard (ETOPS) rating. ETOPS means that the aircraft is certified to fly on a single engine safely for a specified period of time denoted in minutes: ETOPS 60, ETOPS 120, with some aircraft certified for ETOPS 180 and even 240. The ETOPS flight time allows aircraft to fly more direct routes between city pairs rather than having to route to stay within a close flying time of a safe diversion airport.

So, if you're on a flight and your aircraft experiences the lost of a single engine, assuming the loss wasn't catastrophic and did not cause damage to the aircraft, the odds of you being able to safely divert are quite high.

An even more rare event is a dual engine failure during flight, like what happened to US Airways Flight 1549 in 2009 after departing LaGuardia Airport (LGA). In what became known as the 'Miracle on the Hudson', Capt. Chesley “Sully” Sullenberger was able to safely land his A320 on the Hudson River after experiencing a dual-engine failure from striking a flock of birds shortly after departure.

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Related: Passenger From ‘Miracle On Hudson’ Flight Sees Capt. Sully 10 Years Later

Another well-known flight that experienced a dual engine failure was Air Canada Flight 143. The Boeing 767 was flying from Montreal to Edmonton when it experienced a dual-engine flame out in flight. The plane would come to be known as the Gimli Glider, because the pilot was able to fly the plane as a glider and get it safely back on the ground, even without engines in operation.

Bottom Line

If you're on an aircraft that experiences an engine failure, stay calm. Modern aircraft are designed to be able to safely operate for extended periods of time with an engine out. While it might be a bit nerve-wracking to think about, the odds of you getting safely back on the ground are extremely high. Just be sure to listen to the flight crew's instructions to ensure that you and those around you remain safe during an emergency situation.

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  • Annual Fee

    $325
  • Recommended Credit

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Why We Chose It

There’s a lot to love about the Amex Gold. It’s a fan favorite thanks to its fantastic bonus-earning rates at restaurants worldwide and at U.S. supermarkets. If you’re hitting the skies soon, you’ll also earn bonus Membership Rewards points on travel. Paired with up to $120 in Uber Cash annually (for U.S. Uber rides or Uber Eats orders, card must be added to Uber app and you can redeem with any Amex card), up to $120 in annual dining statement credits to be used with eligible partners, an up to $84 Dunkin’ credit each year at U.S. Dunkin Donuts and an up to $100 Resy credit annually, there’s no reason that foodies shouldn’t add the Amex Gold to their wallet. These benefits alone are worth more than $400, which offsets the $325 annual fee on the Amex Gold card. Enrollment is required for select benefits. (Partner offer)

Pros

  • 4 points per dollar spent on dining at restaurants worldwide and U.S. supermarkets (on the first $50,000 in purchases per calendar year; then 1 point per dollar spent thereafter and $25,000 in purchases per calendar year; then 1 point per dollar spent thereafter, respectively)
  • 3 points per dollar spent on flights booked directly with the airline or with amextravel.com
  • Packed with credits foodies will enjoy
  • Solid welcome bonus

Cons

  • Not as useful for those living outside the U.S.
  • Some may have trouble using Uber and other dining credits
  • You may be eligible for as high as 100,000 Membership Rewards® Points after you spend $6,000 in eligible purchases on your new Card in your first 6 months of Card Membership. Welcome offers vary and you may not be eligible for an offer. Apply to know if you’re approved and find out your exact welcome offer amount – all with no credit score impact. If you’re approved and choose to accept the Card, your score may be impacted.
  • Earn 4X Membership Rewards® points per dollar spent on purchases at restaurants worldwide, on up to $50,000 in purchases per calendar year, then 1X points for the rest of the year.
  • Earn 4X Membership Rewards® points per dollar spent at US supermarkets, on up to $25,000 in purchases per calendar year, then 1X points for the rest of the year.
  • Earn 3X Membership Rewards® points per dollar spent on flights booked directly with airlines or on AmexTravel.com.
  • Earn 2X Membership Rewards® points per dollar spent on prepaid hotels and other eligible purchases booked on AmexTravel.com.
  • Earn 1X Membership Rewards® point per dollar spent on all other eligible purchases.
  • $120 Uber Cash on Gold: Add your Gold Card to your Uber account and get $10 in Uber Cash each month to use on orders and rides in the U.S. when you select an American Express Card for your transaction. That’s up to $120 Uber Cash annually. Plus, after using your Uber Cash, use your Card to earn 4X Membership Rewards® points for Uber Eats purchases made with restaurants or U.S. supermarkets. Point caps and terms apply.
  • $84 Dunkin' Credit: With the $84 Dunkin' Credit, you can earn up to $7 in monthly statement credits after you enroll and pay with the American Express® Gold Card at U.S. Dunkin' locations. Enrollment is required to receive this benefit.
  • $100 Resy Credit: Get up to $100 in statement credits each calendar year after you pay with the American Express® Gold Card to dine at U.S. Resy restaurants or make other eligible Resy purchases. That's up to $50 in statement credits semi-annually. Enrollment required.
  • $120 Dining Credit: Satisfy your cravings, sweet or savory, with the $120 Dining Credit. Earn up to $10 in statement credits monthly when you pay with the American Express® Gold Card at Grubhub, The Cheesecake Factory, Goldbelly, Wine.com, and Five Guys. Enrollment required.
  • Explore over 1,000 upscale hotels worldwide with The Hotel Collection and receive a $100 credit towards eligible charges* with every booking of two nights or more through AmexTravel.com. *Eligible charges vary by property.
  • No Foreign Transaction Fees.
  • Annual Fee is $325.
  • Terms Apply.