What is the issue with the Boeing 767?

A fresh quality issue with the center fuel tank of the 767 freighter and KC-46 tanker is bedeviling Boeing, illustrating the ongoing fragility inside its supply chain and adding to the list of production obstacles standing in the way of reaching a regular jetliner delivery tempo.



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The first Boeing 767 was delivered more than 40 years ago and the type is still in regular service with 100 operators around the world. But where the 767 flies and what flies inside the aircraft has changed dramatically. The 767 now flies predominately as a freighter.

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However, particularly high praise should be given to older aircraft, such as Boeing's 737-600 and 737-900 models, that have never had a hull loss, despite having been in service since the turn of the century.

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The Boeing 767, discontinued in its passenger version but still used by a number of airlines (especially in North America and Japan), is one of the most comfortable ways to fly in economy, with wider seats and only one middle seat in the 2-3-2 seating layout. It's certainly one to pick.

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This means that the aircraft can fly routes that take it as far as 330 minutes (five and a half hours) of single-engine flying time from the nearest viable airport. Other twin-engine airliners, like the Boeing 777, are also certified for ETOPS 330. The Boeing 767 is certified for as much as 180 minutes of ETOPS.

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Worst of all for legroom are ultra-low-fare carriers Spirit and Frontier Airlines. In at least this case, you get what you pay for: Passengers get as little as 28 inches of legroom when flying with these airlines, which are known for cheap airfare that comes with a bare minimum of amenities and loads of fees.

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For example, the 787-8 has a greater wingspan than the 767 and is designed to be more fuel efficient. Meanwhile, the 767 is longer than the 787 but cannot carry that many more passengers.

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The 777 is way longer and has long huge raked wingtips with no winglets. On the other hand, the 767 has smaller, more 737 shaped wings but bigger and some have winglets and some not. Secondly, the 777 can fly much farther than the 767 And carry more passengers.

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Running since 1929, Hawaiian is among the oldest airlines in the world but, remarkably, it has never suffered a single fatal crash or hull loss.

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