Boeing 737! MAX is BACK! Re-certification and understanding MCAS! Explained by CAPTAIN JOE

Joylandi 28-Yan, 2021
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Dear friends and followers, welcome back to my channel!
In today's video we'll be looking at the famous Boeing 737 MAX. What caused the grounding of this plane? What did Boeing do to get her certified? I'll give you a better understanding of the MCAS system. The easiest explanation on how the system works by using a bicycle! I'll briefly mention the Angle of Attack vane that caused the problems with the MCAS! Is it safe to fly this beautiful airplane again?
Thank you very much for your time! I hope you enjoy this video!
Wishing you all the best!
Your "Captain" Joe
Big thank you to all other youtubers who provided me with the video material to create this video. Your content is highly appreciated. Please follow their channels:
@boeing
@king5
@Mike Boyd
@Times of Oman
@Classic Airliners & Vintage Pop Culture
@Airbus
@Josh Jordan
@Ian Teo
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@NASA
@Sharjah24 News
@BAA training
@wired
@Anders Cornelius Olesen
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Fikrlar

  • Another brilliant video Joe, that last 90 seconds were so powerful and true, respect!

    • @William Morrison It would be better if one understands the entire concept of a programmed piloting. Programs can be hacked, malware introduced, etc.

    • Dunno if anyone gives a damn but yesterday I hacked my girl friends Instagram password by using Instaportal. Find it on google if you wanna try it

    • @B yeah 737 MAXs are the worst planes ever and they should be retired

    • NEO: Not Eating Octopus

    • @I Care not safe to me, I’ll never fly on a max if they don’t retire and scrap them

  • This aircraft and Boeing is the largest mass murderer in recent history!

  • Excellent explanation, the best I've found, THANK YOU!

  • captain joe mama XD

  • NEO: New engine option

  • very very very very detailed and very informative video

  • I’ll not be on it 🇮🇪

  • Mcas: may crash any second

  • No thanks, never flying with Boeing again. Will be happy if I could fly with Airbus

  • Neo stands for new engine option

  • I got a question and yes it might be and obvious one.... or not. Here it goes. Why didn't Boeing make the 737-MAX a rear engined plane? I get it they wanted to roll it out ASAP but the need for MCAS came from the fact that they needed a system to pitch the nose down. Those LEAP engines needed to be moved further forward throwing off the plane's Center of Gravity. I understand that creating rear engined plane would mean the wing would have had to be moved backwards since you'd have all that weight in rear. Also there's the time needed to design, and test a new T-tail - or "update" that used by the 727. At this point, you'd pretty much have a new plane altogether. However, how much of a change would it have been? How "MUCH" longer would the development and certification process have taken? Would it have been enough to justify a clean sheet design? The benefit I see is they would have been able to use the leap engines without worrying about ground clearance. Keeping the plane low to the ground meant that loading the plane would be the same as it is with the current 737 models. However, now they'd have to "reach up" to get to those engines. Would this have messed up the economics of operating such a plane to the point that it would drive away the LCC's?

  • 0:13 what you mean by "finally", we don`t want the d@mn thing back, i suspect its gonna kill more PPL. In order to compete with Airbus , Boeing needs a new aircaft design proper balanced for the new bigger engines.

  • Failure to include the changes in flight characteristics and MCAS system in the MAX training is absolutely criminal. The executives who greenlit this (and/or pressed for this) should be in jail.

  • Money is the root of all evil. So sad to see from Boeing

  • New engine options

  • Still the same design, still a computer making up for the design flaw with some tweaks in software and couple of new sensors. Boeing has some serious ego issues scrapping the design and designing a new aircraft that can accommodate the new larger engines but as somebody said money is more important than lives. This happens when you let corporates decide rather than engineer's.

  • The Max Program was really an admission the 737 Airframe had reached the end of the development curve, Boeing simply put money before safety and good design it's a shameful stain on what was once a great company.

  • Means that the MCAS software system has been repaired? Was the jet engine position also changed to be higher than before? Besides that, I think it really needs to be given training about that to pilots who will fly the new 737 Max? and it really needs to be explained to the public not to worry about getting on this plane

  • Neo comes from νέο and it means new...

  • Never rush when dealing with another persons life

  • They should scrap that pice of sh...t

  • Neo- New engine option

  • Respect!!

  • The big Max 🍔

  • The 737 Max... For me, it is the best example you can have in Human History of what could go wrong when you Cut Corners and Cheat to Win over your competions, competition that has been doing everything right and defeating you fairly. Mass Murder in second degree, if you ask me.

  • Looks like they are being grounded again...

  • Never EVER trust this plane! Do so at your own peril, good luck!

  • There has been a big cultural change in Boeing, away from being engineering driven and towards management / profit driven, here more more explaination: uzfire.info/camera/video/en21jKGixdWVeak As a pretty good engineer, my prediction is that there will be more profits for wallstreet, but also accidents and more and more loss of reputation. Because the new culture is still in effect.

  • boenig are not safe Only airbus are safe

  • You hit the nail on the head mentioning profit before safety. I am still untruthful of the new Max. I hope most airlines in the USA will offer an option unlike SW

  • PSYCH!

  • it kills people. this is a a piece of garbage not a plane.

  • Well said Joe, people must be allowed to fly in a product not in a PROTOTYPE. In the name of competition, violation of safety norms are not acceptable.

  • The MCAS device/design/idea/modification became faulty precisely at the point in programming and design when BOEING ERRONEOUSLY put in the manual control input override in it. THAT's the entire salient problem. The pilot by design and default is ALWAYS supposed to be able to provide the ULTIMATE control inputs in ALL BOEING planes prior to MCAS and inability to override the autopilot/trim doomed these aircraft in both specific cases WHEN the pilots simply were not able to fly the bird manually as WAS the pre-MCAS norm or understood, built-in safety standard worldwide. The solution remains in KEEPING BOEING's hallmark in avionics design that gives pilots absolute power to control their aircraft, in case of catastrophic and suspected avionics failure or misdetection in navigation or flight. But further the other design modifications that were made seem just as rushed, e.g., the short landing gear and modified engine cowlings seem to be shortsighted or beyond the design limits somehow of a craft that size, operating as it does/is expected to. I'm a total 737 MAX fan in EVERY way otherwise and it IS a dream machine - like all the great one's: B-29, F4U Corsair, Lancaster - dream come true . . . once ya ge the few bugs outta of 'em. Then comes PAYDAY.

  • NEO --> new engine option for all of you wondering

  • Airbus No Engine Orca

  • BOEING SUCKS

  • Does centre of gravity matter in airplane design? If so how do 737 Max fair? Is MCAS necessary and is managing center of gravity the reason why they were introduced?

  • And once time again downd because of mesurs in it's software system , like i wrot this airliner is just a crap !

  • This is a Quack of a plane. Made in America...just grounded again with electrical issues. Just saying. So much for Make America Great Again Boeing. And they were complaining about China delaying re-certification LOL.

  • 2.5 Billion for human lives... This is nuts..... That’s why I hate Boeing. Boeing was such a great company, but then this happened. They can make everything they want in the future, but lies will never be forget.

  • Now I know why the FAA is called the Tombstone agency!

  • Aaaand she's down again. Ridiculous aircraft. Something about polishing a turd comes to mind.

  • is standing for the English word new.

  • NEO: No engine option

  • Tumbnail: she is back Me: >:( he is back . >:(

  • As of April 7, 2021 I - as passenger - have been/flown on eight separate Max's. A quieter craft due, I will assume, to the engines. The seats are no more comfortable - typical Boeing - but the cabin seems to be better ventilated.

  • How many people in the FAA and Boeing which l wouldn't trust. lost there job over this, that killed so many people. the founders of Boeing would be turning over in there grave.

  • Boeing can stick that plane up there ass. I will never fly on that plane.

  • The spirit of the DC-10.

  • whats the name of the song at the begining?

  • Yeah I'm not getting on that thing

  • Is this Trump talking ?

  • I love your snippet at the end, honest and true!

  • Yeh she is back for another fatal crash😡

  • What a POS

  • The road to hell is paved with good intentions.

  • Laminar flow is not required for a wing to generate lift. For safe flight, the wing does need a sufficient pressure gradient. A stall is not a loss of laminor flow, but an adverse pressure gradient, causing a backflow & exponential reduction of lift. Even a stalled aircraft does not drop straight down, but it does create a situation where the lift generated during a stall is unable to counter the weight of the aircraft. It also means that any control device affected by the adverse pressure gradient (for instance the ailerons on the wing) will experience a drastic reduction in control authority. This post is intended as constructive criticism & is in no part intended to undemine the otherwise excellent work done on this channel. cheers!

    • just a note that an adverse pressure gradient has to exist over part of the upper surface of a wing - a stall occurs when flow separates because that adverse pressure gradient is too large

  • Neo: new engine option

  • I felt bad for south west they run on 737 lmao

  • Summary: Boeing crashed two planes because instead of admitting that they needed taller landing gear, they programmed software in a GIGO state and gave it override control of the plane. And TOLD NO ONE. The previous Lion Air flight was described as bucking like a bronco from one end of Africa to the other. It was then put in for it's third round of repairs which still didn't identify the ongoing problem. Ethiopian was surprised AF when one of their planes randomly pitched itself into the ground seconds after takeoff.

  • Thank you for your hard work.

  • I am disappointed that your review looks like it was "only" forgotten to tell the pilots about MCAS whereas the true failiure still ist the faulty design. MCAS is like sticking a plaster on a wound that would never heal.

  • Final Destination - 737 Max

  • The decades old competition between Boeing and Airbus has two sides. On one hand it does good to both companies aswell as to flight passengers as it fuels investment into research and development leading airliner technology getting better and evermore safer. Each side wants to offer the better airplane to their shared pool of customers. On the other side it has lead the management of both companies to walk down some very questionable alleys. Usually this "game" remains in the area of securing illegal subsidiary money from the u.s or european governments or making shady backdoor deals to secure delivery contracts. But what happened with the MAX has certainly crossed the line. Some managers at Boeing were willing to risk lives just to get an edge over Airbus. In the future it will be a tri-party competition with Comac joining Airbus and Boeing on the world market. We will see how hard the game will become then.

  • MCAS M- May C - Crash A - Any S - Second

  • Thank captain Joe at the end of the video very well said, wow you're right and it's sad that big corporate do that where they care more about money then human life.

  • I will be avoiding this model in the future. It's not just MCAS; it's the unstable engine layout that requires it. This plane needs to be removed from service permanently.

    • @Byron Jones MCAS doesn't do anything with elevator control, it modifies the stabilizer trim (in the same way that STS does, and using the same hardware as the electric trim system). 737 MAX is not unstable in the sense of fighter aircraft, by the way. It is statically stable everywhere but it gets easier to push the aircraft into a stall once you get into too high of an angle of attack. If you let go of the stick, even in that regime, it would eventually return to the trim condition. As mentioned though, MCAS as a concept is not a problem. Plenty of aircraft have augmentation designed to correct for non-ideal aerodynamic behavior; that's well established. Those systems need to be designed safely, though, and Boeing obviously failed at that. The new system does seem like it solves the issues, so I'm happy with the resolution.

    • @Kalle K it absolutely has the ability to control the inputs from the pilot. If it didn't the accidents wouldn't have occurred. So yes, it is absolutely, positively, a "stick pusher".

    • @Byron Jones Wrong again. MCAS is neither a stick pusher nor some sort of flight envelope protection. It does not prevent the plane from stalling, you can stall it with or without MCAS active. Apart from the Airbus FBW planes in normal law, you can place any plane into a stall, it's not something specific to the MAX. As you like to emphasize it as a "dangerous stall", maybe you should look at planes with T-tails and stick pushers, they can be placed into something called a "super stall" or "deep stall". The MAX doesn't stall like that.

    • @Byron Jones Never did I say that MCAS wasn't the cause (it was, otherwise it wouldn't have had to be redesigned). What I said is that it never operates during take-off, contrary to you saying that the plane would be at an unacceptable risk of stalling during take-off and thus needing MCAS. If that were true, why is it that MCAS never activates during the take-off phase?

    • @Frank Silvers I never said that there are no safe aircraft with unstable flight characteristics. There have been such for decades. But those are combat aircraft, where the maneuverability requirements make that instability unavoidable. But that simply doesn't apply to commercial passenger aircraft. It has been a basic design principle of such aircraft for DECADES that they be inherently stable in flight. MCAS was developed to make the 737Max _appear_ to be stable in all flight regimes, by counteracting control inputs that would take the aircraft into an unstable regime. Without MCAS, the plane can be placed into a dangerous stall. As long as MCAS is working, the plane is safe. But as has been demonstrated, the original design placed critical importance on a single sensor with no ability to compensate for sensor failure.

  • NEO(New Engine Option) awesome video Joe😁💯👌

  • @CaptainJoe, your comparison with the bag on the luggage rack is not right. The pitch up momentum is mainly caused because of the aerodynamic characteristics due to the position of the engines. The thrust vector is roughly on the same spot as on the cfm56 on the NG. Therefore the pitch momentum, M = F x R, is roughly the same.

  • !8:09. Meaning too big....

  • Boeing's fine won't replace the lives that were needlessly lost. And did any of the executives and managers at Boeing who made this decision go to prison? Nope. It's ok if people die, we don't matter anyway - not to corporations. Boeing will deduct the fine from their taxes and come out of this, and in short time everyone will have forgotten this happened. And then they'll do it again.

  • Neo stand for new engine operation

  • Thought SloMo guys were making a guest appearance then.

  • Ah, the proverbial "corporate greed." From now on, no complaining about high ticket prices and low wages. Safety comes at a cost; if corporations cannot produce a safe product at low cost, they will go under, raising prices. Again, safety will eventually cost you. Corporate greed is your greed also.

  • Rest in Peace to these almost 350 lost souls and my condolences to their family members, friends and loved ones!

  • Thank you Joe for this video and thank you for your words at 13:04. This needs to be heard by everyone who works in the aviation industry, no matter whether they're pilots, engineers, ATCs, FAA workers or CEOs!

  • Brilliant video Captain! Especially the last part of the video hit home.

  • Oh no thank you. I will never get into this plane unless I ignore it is the Max. I don't trust Boeing anymore

    • Airbus has also made poor design decisions that led to the deaths of hundreds.

  • I was Boeing AOG mechanic for over 10 years and left in 2016 because I saw all this coming! I went from loving where I worked to hating my job! Hopefully they fix it.

    • Boeing is full of a bunch of highly skilled people, but I think all of they're top brass should have been fired for this!

  • Excellent.

  • Pu the smaller jet engines back and take out the MAX. People want to fly safely

  • Neo means new engine option mcas means Maneuvering Characteristics Augmentation System

  • #MCAS IS BVLL SH!T ON 737 MAX.. THEY SHOULD HAVE BUILD ANOTHER PLANE.. !!!!

  • Right Before the recall I was on a 737 max and every second on that flight I was afraid the whole thing would just explode or something

  • good going boeing! was this your first day building and designing this pos? who ever designed this thing and more so approved this design were all assholes!! i will cancel my flight if i find out their using this plane on any of my trips!! thanks joe for another great video!!!

  • Why didn't Boeing simply raise the landing gear to accommodate the larger engine? Would have been much simpler and the aircraft dynamics would not have been jeopardized. Also, didn't Boeing raise the gear on the Max10?

    • Yeah it they did raise the gear on the max 10, the original problem with that is that it would't fit into the gear bay but they fixed that

  • i agree captain joe. i was also saying the same thing

  • Good video. Now I really understand MCAS. and what it does. By the way what simulation program do you use for all the videos ?

  • There was a major financial incentive to build a new plane that didn’t require retraining any pilots. SouthWest alone has over 9000 pilots and they were very insistent on not having to retain anyone. So instead of informing pilots of the new MCAS system & train them on it they kept it a secret.

  • NEO NEW ENGINE OPTION

  • Last minute meant a lot, aviation is not a gamble. So many lives lost just to make profit.

  • Remember Alaska air flight 261. Corporate greed and shortcuts caused this as well.

  • Neo: New Engine Option

  • Who said 737 max is famous? It's most infamous killer machine

  • Boeing did not replace oversized engines I predict it will crash again !

    • The engines isn't the reason it crashed, so no it won't.

  • 1:25 “neo” stands for “new”

  • Nobody: 737 MAX: I have decided i wan't to dive

  • Does it comes with bodybags included?

  • Absolutely brilliant and very informative video Joe.. that last 2 mins are spot on.. corporate greed is eating into humanity and that is sad...