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

Captain Joe
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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:
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Science et technologie



28 janv. 2021




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Commentaires 100
Joe Achilles
Joe Achilles Il y a mois
Another brilliant video Joe, that last 90 seconds were so powerful and true, respect!
Sebastian Floyd
Sebastian Floyd Il y a jour
@B yeah 737 MAXs are the worst planes ever and they should be retired
David Middleton
David Middleton Il y a 4 jours
NEO: Not Eating Octopus
Sebastian Floyd
Sebastian Floyd Il y a 4 jours
@I Care not safe to me, I’ll never fly on a max if they don’t retire and scrap them
I Care
I Care Il y a 4 jours
@Sebastian Floyd With the max engine location and my background, until the FAA mandates proper blade off testing as I outlined in my post, from a scientific data testing point of view, I am going to avoid the max at this time as much as humanly possible until the proper blade off, on wing testing is done in current configuration and proven through at least 3 data blade off testing points to be safe. The fuselage damage that just occurred on United fight 328 would have been significant on a Boing 737 Max due to the Max engine location, in my opinion.
Sebastian Floyd
Sebastian Floyd Il y a 4 jours
@I Care I ain’t gonna fly a max. They should be retired scrapped and never fly again
DageLV Il y a 36 minutes
And which is even more sad is that boeing paid those millions to families not that they ruined, but to government which was in no ways involved in said crashes
Yiannis Mantheakis
Yiannis Mantheakis Il y a heure
Oh dear the wall street flying coffin is back. If its Boeing then I ain't going. Thank God for Airbus.
faranger Xbox
faranger Xbox Il y a 2 heures
Deathtrap, it's 40 years old. It is not designed for the engines fancase size. Board of directors were thinking about their yearly bonuses not about anyone's lives. The most important characteristic you want in a cargo hauler?> STABILITY! If you need 2 computers to keep your airframe stable IT BETTER SAY F-22 OR F-35 ON IT'S SIDE. The MC-21-300 in the airframe Boeing should have built.
Abdirahman Dahir
Abdirahman Dahir Il y a 2 heures
Great explanation Captain 👨‍✈️ 👍
Peter Ellis
Peter Ellis Il y a 5 heures
Cut corners cut your flying
Peter Ellis
Peter Ellis Il y a 5 heures
What happened to simple controls engine management yes but flight controls possible for stability but not overall control with eleactricons there needs to be more human input
OrangeU Il y a 7 heures
B-737 MAX is still unbalance because of the placement of the engines. Why don't just Boeing company add some ballast weight to recalibrate the centre of gravity? I know it would affect the engine performance but still better than MCAS I suppose.
Kalle K
Kalle K Il y a 3 heures
It's done on every flight. The ballast is called "passengers, cargo, fuel". They all shift the CG around. But even without pax, cargo and fuel the CG has to be within its limits. An unbalanced plane wouldn't be allowed to fly.
Anmol S
Anmol S Il y a 9 heures
NEO: New Engine Option
poppins1982 Il y a 9 heures It says problems in 737 max is not.solved 2 days ago video was uploaded .
Kalle K
Kalle K Il y a 3 heures
It starts with the same old wrong story that has been around for ages. They even compare the MAX to the original 737, however the engines were already moved forward on the 737 classic starting with the -300 in 1984. The CFM56 couldn't be mounted the same way as the JT8D. The animation is also wrong, MCAS doesn't deflect the elevators, it moves the whole horizontal stabilizer. But she also said that MCAS has been fixed. About the quality control I don't know, but it would affect other models, like the 787 for example, and wouldn't be limited to the 737 MAX.
Bing Hyong-bae Bang
Bing Hyong-bae Bang Il y a 13 heures
I will never fly on that plane.
Dwight Looi
Dwight Looi Il y a 13 heures
The Irony is that the 737-Max is PERFECTLY SAFE to fly without MCAS. The pitch up behavior is no worse than with jets like the 757. If the 737-Max was a new airplane the MCAS is a totally unnecessary system; it would be perfectly fine as it was. MCAS was there exclusively to make the 737-Max mimic the flight characteristics of the previous 737-NG family almost exactly. This was important to reduce retraining of the crew from the previous generation to the Max generation and make it more attractive to existing 737 operators.
working shlub
working shlub Il y a 15 heures
great job of explaining it simply...haste makes waste ...i agree profits over people is unacceptable especially in air travel
fede salva
fede salva Il y a 15 heures
Well, now we just need voluntaries to travel on it... Anyone?
fede salva
fede salva Il y a 2 heures
@Kalle K I think you are a happy guy then. That's ok with me.
Kalle K
Kalle K Il y a 3 heures
Considering that 737 MAX planes have been flying since December 9, 2020 and since then over 10,000 flights have been conducted with the type in regular passenger service, now with 12 airlines world-wide, it shows that there are enough voluntaries who fly on it ;) I certainly would, and I don't know any anti-maxer personally.
Jabber 1974
Jabber 1974 Il y a 15 heures
There isn’t enough money in the world to persuade me to get on a 737 max.
Muppet Lansing
Muppet Lansing Il y a 17 heures
So the Max has now been recertified as safe to fly by the FAA. Anyone else feel reassured by this?
Sam O'brien
Sam O'brien Il y a 19 heures
9:53 Imagine being 1 of the pilots and this was your view and there was absolutely nothing you could do
Michael Tolentino
Michael Tolentino Il y a 20 heures
NEO- New Engine Option
Ari Cowan
Ari Cowan Il y a 20 heures
Spot on. Excellent. Your concluding remarks are especially important.
Paul Pugh
Paul Pugh Il y a 21 heure
Sick Boeing......employees knew about hidden software but chose to keep quiet,shameful. 737 Max8 is TOXIC as far as i'm concerned,my next trip to Spain is in the car.Whistleblowers in multi national companies should be encouraged,not stiefeld. Lives lost due to their actions will not be forgotten.......👎
Niki Il y a jour
Yes!! The ultimate suicidal plane is back!!
Wolfgang Falck
Wolfgang Falck Il y a jour
Who in his right mind will hop on that?
ksmith Il y a jour
Boeing got greedy and got a well-deserved smackdown.
Carter Morgan Ayres
If there is one industry I trust to design, test, build and operate airliners with Passenger Safety as Priority One--it is companies exemplified by Boeing, and the dedication of Airline Crews flying with the major airlines. If exemplary airline crews and accident investigators like Captains Sullenberger & Skiles may be encouraged to regularly contribute their leadership and experience to corporate decision-making from this point, airplane orders may increase, and public trust in an historically trustworthy industry will return.
Kashiff Collins
Kashiff Collins Il y a jour
New Engine Option (NEO)
Orbital Potato
Orbital Potato Il y a jour
Too bad the companies will not be held accountable.
Gerardo Salas
Gerardo Salas Il y a jour
The flying coffin
T K Il y a jour
No no no...the saddest part of this whole mess is the lives lost and families dealing with the sorrow... they better be compensated well! Fuck Boeing! as far as I'm concerned the CEO should be on his hands and knees begging for forgiveness from the families basically his life should be theirs to do as they please...
Phil Williams
Phil Williams Il y a jour
Great video Captain Joe.... brilliant final section.
Adip Bancharam
Adip Bancharam Il y a jour
Last comment goes to mentourpilot 🤔
Adip Bancharam
Adip Bancharam Il y a jour
New engine option
Anirudh Il y a jour
13:20 Absolutely. Screw boeing. This is sickening.
mrz80 Il y a jour
You didn't mention - did Boeing add a redundant AoA sensor and input to the MCAS, along with some way to alert the flight deck about a sensor disagreement if it occurred? And I wonder if maybe Boeing ought to take a good hard look at what's become of their corporate culture and move the corporate offices back to Seattle, where the hands-dirty people can have better access and input to the pencil-pushers?
Kalle K
Kalle K Il y a jour
They reprogrammed MCAS to take inputs from both AoA sensors at all times. No sensor was added, the 737 MAX (all 737s in fact) has always had two. The bug causing the AoA Disagreement alert not to be displayed has also been taken care of, it's working again on all 737 MAXes just like it did on the NG.
Tim Wall
Tim Wall Il y a jour
Well said Captain Joe. I've come across that greed in other areas of manufacturing. I refused to drive one vehicle bc. the brakes were not safe. The owner just found someone else to drive, instead of having the brakes bled out, which wouldn't have taken all that long.
chris benson m
chris benson m Il y a jour
So what will boeing do with the 9ld engine ?. Throw it?
James White
James White Il y a jour
Airbus had a similar incident with Qantas 72. Faulty AOA data got fed to the flight computer, the Airbus automation commanded a 10 degrees pitch down multiple times despite the flight characteristics being fine and not need any of the protection modes. AFSB findings led to Airbus modifying their software to prevent bad AOA data causing an event like that again, but the cause of the AOA data being bad in the first place was never found. Scary sometimes, no matter how sophisticated the software automation is now, there's always an edge case somewhere. Granted MCAS on 737 MAX had many more factors and deception and corporate greed is right up there. RIP to those who were victims of Boeing's failures.
Broler The Aviation Master
NEO = New Engine Option
AnimeSunglasses Il y a 2 jours
It's doesn't make me sad... It makes me angry. Boeing had always been known for building planes with superior pilot feedback and flyability. They sold a product that undermined that, AND DIDN'T TELL ANYONE, just to make a profit faster. I'm sure the CEO and his team will at BEST get Golden Parachutes, but they DESERVE a sentence of a decade of community service on minimum wage.
Concorde Heavy
Concorde Heavy Il y a 2 jours
Time will prove the safety, and passengers on this aircraft having in mind the mcas that cause the crushes, they will be relaxed after landing.Many passengers that like flying they scare to fly on max what about passengers that are nervous on any kind of flight.
harshit shah
harshit shah Il y a 2 jours
I will only fly in it whn Regulators other than the faa certify it independently
C B Il y a 2 jours
Great video The Ralph Nader connection/story is sad and incredible.
Speed of light
Speed of light Il y a 2 jours
Thank you first officer Joe before that if you ever become Captain. impersonating someone else at higher ranks unless you are comedian is criminal offence. BTW you are young smart handsome should also become American or at least Canadian Australian fatherland pilot.
Rexx Il y a 2 jours
I'll wait a year before getting on one. If nothing happens then I'll give it a go.
Colin Wallace
Colin Wallace Il y a 2 jours
One wonders how test pilots missed this. One also wonders how the systems on the plane didn’t sound the alarm on sensor values that would obviously conflict with actual operating parameters. Also, given the A320’s well known propensity for presenting pilots with confusing data that required them to recalculate or override something, wouldn’t pilots be reporting such things as having to manually trim a computer-controlled aircraft? Not laying blame, just wondering.
BirdEyePT Il y a 2 jours
Non the less, you will never catch me on one of those.
William Edward
William Edward Il y a 2 jours
The brash blizzard analogically repeat because justice electronically worry following a workable hamster. rhetorical, apathetic epoxy
Just Noted
Just Noted Il y a 2 jours
The Max still sports the dubious air-vanes
Артур Сидоран
MCAS: May crash any second
Michael Morris
Michael Morris Il y a 2 jours
I'll never get on one of these planes. Using software compensate for bad design is rediculous.
H4hT53 Il y a 2 jours
What was most poignant about this whole affair (at least to me) was that at the same time shitty electronics and even shittier programming caused so much deaths in the MAX, Boeing *also* fucked up their code and electronics on their Starliner test flight. I really hope that heads did roll in their management for those fuck-ups and, more importantly, that they - and all their competitors! - learn from it.
jonas duell
jonas duell Il y a 2 jours
Since airbus can deliver a better and safer alternative, why even bother flying in a 737max.
Greg Il y a 2 jours
Airbus is pumping them out as fast as they can but if you go buy an A320 you'll still be in a waiting list. Also If your already in line for the 737 and your tooled up for the 737 line up it's quicker and less expensive to stay with the 737 platform
Lolz Il y a 2 jours
Why didnt the pilots just disable the entire MCAS system when they realized it was malfunctioning? wasnt that an option of the boeing??? did they not know how to operate the features of the aircraft???
Stop Telling Me What To Write
Was not a defeatable system -"computer knows best"... Boeing purposely skipped mcas training because that would indicate major system change and therefore requiring a lengthy recertification (and times is $$$); gamble ended up costing more time and $$$ though...and bunch of dead people.
cesar quintana
cesar quintana Il y a 2 jours
NEO stands for. NOT Economically Operated. Lol.
cesar quintana
cesar quintana Il y a 2 jours
Captain, that is the best explanation I have seen so far. The greed this CEOS and executives take, knowing you have a great product. You said it perfect ly in aviation NEVER rush anything. Thank you for your education. Happy and safe flying.
Lolz Il y a 2 jours
True, but pilots need to know how to operate the aircraft they are flying and its features... as the video showed 2 switches would of solved the issue they were battling with
Salty Reviews
Salty Reviews Il y a 2 jours
Funny how a company cripples itself to save some money. Never getting on those planes.
Nico Meier
Nico Meier Il y a 3 jours
The first iteration of this plane should never have been certified in the first place. Inherent problems due to fitting very large engines, too high on the wing on a plane not designed for them. . Hundreds of people died because of it but no criminal repercussions to anybody of the Boeing management. Corporate greed should not be rewarded, it should be punished.
Northeast Regional Productions
When you usually only fly southwest and southwest is at the top of the "737 MAX bought" list
Daft Vader
Daft Vader Il y a 3 jours
Even now after almost two years there is an incomplete fix.The MAX should have three Angle of Attack sensors . Two forming a reference base for a potentially damaged third. An incomplete system that has demonstrated it is a Catastrophic System. This is an official designation of a system that has the potential to kill all on board. Such a system should have maximum redundancy. This was completely ignored on initial certification. Totally illegal!!! Boeing are still handling control of the aircraft biggest control surface to an ancient single channel low powered computer with a sensor imput that could have much better redundancy.
michael fujiwara
michael fujiwara Il y a 3 jours
Agree. His last 90secs is awesome. Despicable - Profits over Safety.
Christopher Petit
Christopher Petit Il y a 3 jours
Apparently whoever made those key decisions forgot that, if enough people start to perceive airlines as less safe, it will dramatically impact how many people fly. It doesn't even require the safety to, objectively, be anywhere near as unsafe as driving a car. It is all about perception. While 346 people died in these 2 crashes, 3,400 people die from car crashes EVERY SINGLE DAY. So, statistically, we would need a lot of airplane crashes to equal the amount of deaths we see from cars. But, perception drives people's behavior, not objective statistics.
Anthony Verghese
Anthony Verghese Il y a 3 jours
a video onexplaining the number of planes eg 737,777,747 what do they mean?
Anthony Verghese
Anthony Verghese Il y a 3 jours
why are boeing planes ,labelled .737.747,777 etc, please explain .thankyou
Main Account
Main Account Il y a 3 jours
The piquant turret baly deliver because throat cytogenetically beg onto a noiseless banker. fluffy, distinct veterinarian
BrandEver Il y a 3 jours
8:00 *TOO
a s
a s Il y a 3 jours
Speaking on behalf of all 737 pilots across the globe, as a B737-800 captain myself, I can for sure say that we all feel terribly cheated. And Boeing is yet to instill its confidence back in us; which I don't feel it truly ever will.
IamAcat Il y a 3 jours
Neo New Engine Option (but dont take me seriously because i have an anime pfp)
kam1nokage Il y a 3 jours
Great video, but it is sad to see when greed wins. Boeing was a company of talented engineers, but became a company of "efective managers" who only care about their bonuses. The problem is that Boeing is an important company for US economy as well as military, so they still got away with "murder". Somebody has to be held accountable for these deaths. People involved had go to jail and the company had to be restructured so it won't happen again...
Michael Afubwa
Michael Afubwa Il y a 3 jours
Can’t trust Boeing or that FAA. I wouldn’t want to fly those coffins.
web Surfin
web Surfin Il y a 3 jours
I'll never trust flying on one of those DEATH-TRAPS!
mario scandeli
mario scandeli Il y a 3 jours
two planes crashed and killed a lot people, this model should be banned forever
Jim Mooney
Jim Mooney Il y a 3 jours
Ford: "Our new car jerks to the right all the time but we'll save money by not fixing the mechanical problem. Instead, we'll use a "software" fix. Maybe a computer will tell a little arm to come out and push the steering wheel right. What a moneysaver!" Boeing moved their Seattle headquarters, formerly run by engineers, to Chicago, where it was run by bean counters. Except they didn't have so many beans to count. Still, a lot of people don't know they're the second biggest military contractor, and we'll be getting in another war soon enough.
nissanv8FTW Il y a 3 jours
I'll never fly on boeing hardware again. I flew 3 times last year and didn't step foot on one.
FichDich InDemArsch
FichDich InDemArsch Il y a 3 jours
Well, those deaths don't count for 'Murricans because, you know, some non-White non-American people died. Shame on the U.S, and shame on Americans.
Master P
Master P Il y a 3 jours
Is captain Joe taking shots at mentour pilot 👀
FichDich InDemArsch
FichDich InDemArsch Il y a 3 jours
If it's Boeing, then you're surely dying!
Rwoarrr Il y a 3 jours
Boeing has been dealing with a ton of Corporate greed in recent and has allowed there construction of aircrafts to become worse and worse
Marlinspike Il y a 3 jours
Boeing software was also bad in its space program. Terrible company.
Henrik Il y a 3 jours
MCAS: May crash any second
ArrrGee Il y a 3 jours
NEO - New Engine Option, or in other words making more money than Boeing!
MAX SpezialbauAG
MAX SpezialbauAG Il y a 3 jours
NEO= New Engine Option
Colby Picton
Colby Picton Il y a 3 jours
Sounds like bad engineering which will in turn cause more wear and tear on the elevators... More service time, more costs associated to keep the planes in the fleet
asiri weerasooriya
asiri weerasooriya Il y a 3 jours
Brilliant .....
Brian John Hawkeswood
Brian John Hawkeswood Il y a 3 jours
Before you book check to see if your aircraft is a Max. If it is, choose an airline that has another aircraft. The Max is basically the same aircraft.
Stephen Page-Murray
Stephen Page-Murray Il y a 3 jours
Ex Air Force and I won’t be flying in one. The A320 will do me just fine..
Chavdar Naidenov
Chavdar Naidenov Il y a 3 jours
I'm amazed they've hunkered down and are really going to try to ram the MAX down the throat of passenger air-travel. No one has been punished, there's no official explanation, how greed was been allowed to eat thus deeply into basic safety rules, the company has not been taken over by a public authority, the corruption at the FAA has not been cleaned out. And they expect advertisement and propaganda to restore the trust of the public and the airmen. Until the next mass slaughter.
BAANi Barnes
BAANi Barnes Il y a 3 jours
Surely the problem is not the software, the problem is that Boeing are trying to fit an incompatible engine to an old and out-dated airframe? If I was a pilot, I would refuse to fly an aircraft that relied on software to fly it 'safely' because the engine/airframe combination was incompatible! Boeing are nothing short of criminal and cavalier in their approach to aircraft design!!!
SEMA james LLLKkaniaru
SEMA james LLLKkaniaru Il y a 3 jours
The abnormal interactive greely move because drop logistically pray without a cloudy policeman. terrible, ceaseless nancy
zombieregime Il y a 3 jours
If only they didnt add yet another disconnect between the pilot and the plane those two planes wouldn't have crashed. Maybe, oh i dont pilots to be pilots? Otherwise might as well just have google fly all our planes now....
Chien Chunng Tsaur
Chien Chunng Tsaur Il y a 3 jours
Killer is back
emmanuel omadi
emmanuel omadi Il y a 3 jours
These Boeing guys are shameless,how they clear max 8 planes yet fetality case are still in court ,r.i.p all Ethiopian airline victims and esp anty christine
NaiLsByJasMinE Il y a 4 jours
People and airlines should not fly these again what Boeing did was unforgivable in my oppinion and I’ll never ride a Boeing again
Joe Il y a 4 jours
10:48 Damn... you could've just hit 2 switches and turned the damn thing off? I imagine every 737 pilot is WELL aware of this now, so if push comes to shove they can turn it off.
Lolz Il y a 2 jours
ya they could have in both cases they were tossed around for quite a while before crashing aka if they had done the research to knowing how to operate the plane.... they could of fixed the issue in seconds.
Ferney Il y a 3 jours
but they need to be quick! MCAS can spin those trim wheels so far so fast that getting the trim back to sanity manually is very heavy & sustained work against the airflow....
Operator 801
Operator 801 Il y a 4 jours
Haha, how many people do you need to kill before they'll let you fail?
Andrew Simone
Andrew Simone Il y a 4 jours
Corporate greed keeps me up at night thinking how my kids will be affected in the future seeing how easy a giant like Boing can get around this disgusting tragedy.
Hell Il y a 4 jours
Fuck Boeing. They created an aircraft that when malfunctioned essentially executes a kamikaze. Seemingly they decided to not train pilots on how to detect and override this system simply to save money which then resulted in hundreds of people loosing their lives. Lives that seemingly had no reason to die early other than corporate greed.
Richard Hussey
Richard Hussey Il y a 4 jours
Can’t believe there isn’t a better sensor. The thing is basically a weather vane bolted to the outside of the plane in all weather conditions. Seems some pilots knew about this system and some didn’t particularly in the third world. 🤔
SALZOPYRIN Il y a 4 jours
Personally, I wouldn't fly in one, to many deaths..737 MAX.....MCAS = Might Crash Aircraft Suddenly.
Stand Alone
Stand Alone Il y a 4 jours
The hell with that plane!
OneHairyGuy Il y a 4 jours
Excellent video Joe !! The engineering staff from NASA must have made its way into our airline industry !! Profit before safety !!
ZeroOneInfinity Il y a 4 jours
Fixed or not, I don't think I'd be getting in a MAX any time soon... I'd go as far as to pay for a completely separate flight before getting on one of those deathtraps.