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How Airlines Are Able To Fly The Boeing 737 MAX During Its Grounding

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Airlines are moving their grounded Boeing 737 MAX aircraft around the world, to escape harsh winter conditions, perform maintenance and move them into long term storage. However, many have asked how an airline can conceivably even be allowed to fly a ‘grounded’ plane, let alone one that has a critical flaw preventing airworthiness. To answer this question we need to look at the Boeing 737 MAX and why airlines are trying to move them despite the ban. (simpleflying.com) 更多...

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abowland
Airline move broken airplanes all the time...for a variety of reasons. Just a "simple" Ferry Permit and off you go, follow the manufacturers procedure for that flight and there you go...no special training required.
Highflyer1950
First I’ve heard of MCAS not operational with flaps deployed?
bentwing60
bentwing60 3
Not tryin to pick a fight, so, yes, anything but flaps up suppressed MCAS in the original form and any autopilot engaged mode did the same.Always in the cards. So in order to ferry an unmodified MAX and never "see" MCAS, one would engage the AP before calling for a clean wing. The entire thrust of MCAS was to provide pitch force stick feel that matched that of previous versions of the 73 when hand flown. The controverted MSM anti Boeing articles that called it an anti-stall program have always been wrong and the the great unwashed in the back readin the scat never knew any more about the problem than they do about "ferry permits". Issued every day to move broken birds to a storage or repair facility in the US or ICAO countries, everybody, legally. A reference or two below.

https://www.boeing.com/commercial/737max/737-max-software-updates.page

https://www.faa.gov/aircraft/air_cert/airworthiness_certification/sp_awcert/sp_flt_permit/
Highflyer1950
No worries, thx for the info.
AbieshanG13
Is Boeing trying to cheat us or what?
bennettgaryw
Strange how the Max has flown world wide many tens of thousands of hours without problems and two marginally trained crews make the aircraft unsafe to fly.
bizprop
bizprop 0
Recently the former Chief Engineer at Ethiopian Airlines alleged the airline tampered with the Boeing 737 MAX maintenance records the day after the crash! Does make you wonder.
Jackx9
Don Quixote -4
Agreed, which is why it happened for African or Asian airlines. You wouldn't have seen them crash in the U.S., Canada or EU.
VivPike
Viv Pike 4
"You wouldn't have seen them crash in the U.S., Canada or EU." That you will never know now, will you?

"These emergencies did not present as a classic runaway stabilizer problem, but initially as ambiguous unreliable airspeed and altitude situations, masking MCAS."

"http://www.sullysullenberger.com/my-letter-to-the-editor-of-new-york-times-magazine/"
bentwing60
bentwing60 0
"You wouldn't have seen them crash in the U.S., Canada or EU. That you will never know now, will you"? They didn't!

Not to question your 737 MAX type rating, but the background politics says the Boeing is Bad and the Crews were good. The reality to guys that do this for a livin is Boeing was bad, the pilots, training, ab initio (experience) were worse! Sometimes the chain of events is long!
oldfolkie
Hopefully the pilot operating the move will be a willing volunteer.
bizprop
bizprop 1
Such a none story. Of course airlines and the manufacturer should be allowed to move aircraft for storage and maintenance reasons. By now the crews are well aware of the potential issues with the MAX and have been trained to deal with all eventualities. If the MAX was truly dangerous to fly then the crews would refuse.
Jackx9
Don Quixote -4
Boeing has done now over 700 flight tests, and people are still scared to fly it? Lol, especially after the software fixes and FAA recertification?
KobeHunte
Kobe Hunte 2
No matter how many flight tests were done people are still going to have a certain fear to fly on these planes. Two crashes that claimed the lives of more than 340 people unexpectedly is still going to make people scared, my opinion.
bizprop
bizprop 1
The average passenger has no idea what type of aircraft they're flying on. They do tell you what type of aircraft during the safety announcement, but how many people really pay attention to that.
KobeHunte
Kobe Hunte 1
good point
AbieshanG13
You can just forget about the 737 MAX because of its issues and just continue on.
bizprop
bizprop 3
Rubbish...after all the scrutiny it will probably be one the safest aircraft in the sky to fly on.
KobeHunte
Kobe Hunte 1
And what will you do with the 400 made and many others on order, may I ask?

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