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AA777223
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737 Max Grounding the longest?

Fri Aug 16, 2019 7:55 pm

Hello all,

With the grounding of the 737 Max now running months long, does this constitute the longest time that a whole fleet has been sidelined? I know there have been groundings such as the Concorde, Comet and even recently, the 787 with the battery issue, but I am uncertain how long those lasted. I tend to think of the Concorde as a different scenario, as she was essentially a special design that flew a very few routes with a total fleet of less than 20 at time of grounding. Would this then make for the longest mainstream fleet grounding?

Any information that would shed light on the length of this period in relation to the others would be helpful.

Many thanks,
AA777223
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flyingturtle
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Re: 737 Max Grounding the longest?

Fri Aug 16, 2019 8:04 pm

https://aviation.stackexchange.com/ques ... due-to-saf mentions 787 (just over three months) and Concorde (16 months).

DC-10 wing mount issue: 37 days.
Reading accident reports is what calms me down
 
afgeneral
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Re: 737 Max Grounding the longest?

Fri Aug 16, 2019 8:30 pm

As far as I understand it the Comet does not really count since the original batch of aircraft were either lost or scrapped. The revised Comet was arguably a new plane.
 
steveinbc
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Re: 737 Max Grounding the longest?

Fri Aug 16, 2019 8:36 pm

I believe that the DeHavilland Comet was grounded in 1954 following a series of mid-air losses (metal fatigue due to design issues) and did not resume until 1958. Hence almost a 4-year grounding.
As the prior poster states, the re-engineered Comet was a significant re-design
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rikkus67
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Re: 737 Max Grounding the longest?

Fri Aug 16, 2019 9:11 pm

afgeneral wrote:
As far as I understand it the Comet does not really count since the original batch of aircraft were either lost or scrapped. The revised Comet was arguably a new plane.


The redesign came about due to the grounding of the original Comet 1 aircraft. With three separate loss of life accidents, the airworthiness certificate was taken away, and the Comet had to be redesigned. The redesign came about as a result of the first deep sea recovery of an aircraft, and pressure testing on the ground, which confirmed metal fatigue. The total time grounded, as stated above was indeed 4 years. Most of the original Comet 1's were destroyed, with a few modified to the redesign standards. In the 4 years that the Comet's didn't fly, a Comet 2 was developed (mostly as a testbed), and in turn it was superseded by the Comet 3.

4 years, and major redesign, mostly to do with metal fatigue. I don't think we'll see that length of grounding with the MAX. I certainly hope we won't see any more disasters after being reintroduced...
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AA777223
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Re: 737 Max Grounding the longest?

Mon Aug 19, 2019 1:51 pm

So.... is the takeaway that this is, indeed, the longest grounding of a large scale production, mainstream jetliner? The Concorde was a niche aircraft, the comet got redesigned, the 787 was only down three months and the DC-10 a mere 37 days. Sounds like the MAX is setting records in all the wrong way.

What is the current grounding clock up to now? How far in are we?
A318/19/20/21, A300, A332/3, A343/6, A388, L1011, DC-9, DC-10, MD-11, MD-80, B722, B732/3/4/5/7/8/9, B743/4/4M, B752/3, B762/3/4, B772/E/W, B788/9, F-100, CRJ-200/700/900, ERJ-135/145/175/190, DH-8, ATR-72, DO-328, BAE-146
 
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bluestreak
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Re: 737 Max Grounding the longest?

Wed Aug 21, 2019 7:53 pm

The 737 Max was grounded by the FAA on March 13, 2019. As far as returning to service, a friend of mine who works for an airline with grounded Max'es says they aren't planning to see them back in service before February 2020 at the earliest. If this holds true, the 737 Max could be grounded for a year, or longer!
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