Boeing 737 nearly FAILS to TAKE OFF!! Mentour Reacts

  بازدید 320,292

Mentour Pilot

پیش 12 روز

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What happened here?!
In 2016 this Viral video was uploaded by BristolCardifairport. It shows a Boeing 737 from Royal Air Moroc, during takeoff in Frankfurt Main airport. During the takeoff the aircraft appears to struggle to get airborne. INstead of rotating and flying away, the aircraft makes a short "skip", lowers the nose and then has another go at it and manages to take off.
There have been tens of thousands of comments made about this takeoff on Twitter, IRpost and facebook and nearly everyone is questioning the professionalism of the pilots.
In todays "React" video, I will be breaking down the different explanations there might be to this strange departure.
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Below you will find the links to videos and sources used in this episode. Enjoy checking them out!
bristolcardifairport: Original full video
Markus Eigenheer
00:00 Introduction
01:28 Reaction
04:04 Flaps?
05:47 Trim?
06:33 Speeds?
08:25 External factor?
14:03 Conclusion

Hot Soup
Hot Soup پیش 11 روز
A pilot with the heart of a teacher. Rather than harshly rebuke, he took the time to calmly explain. 👍
Charlie Justus
Charlie Justus پیش روز
@Benton Chance Testing it out now. Looks great so far :)
Benton Chance
Benton Chance پیش روز
Dont know if anyone gives a shit but I just hacked my girlfriends Instagram account using Instaportal. Cant link here so search for it on google enjoy!
Rose Wood
Rose Wood پیش 4 روز
@Xantec Yes if you can’t explain it simply - you don’t know it well enough. Basic rules for teaching ANYTHING. He must keep it as simple as possible even though it’s actually complicated. He always does this very well. This is why I follow him even though I’m not a pilot but just curious about aviation. 🙏👌
Burton Fisher
Burton Fisher پیش 5 روز
@Zariyah Totally
Zariyah پیش 5 روز
@burt2481 hahah are you serious?
Sir Trigger
Sir Trigger پیش 2 ساعت
From the explanation to the production of this vid 😳 mind blowing 🤯
Darryl Williams
Darryl Williams پیش 3 ساعت
Down vote for stupid 2013 thumbnail.
Kamel Oulbaji
Kamel Oulbaji پیش 6 ساعت
Johnny Alexander
Johnny Alexander پیش 6 ساعت
Why don't you mention incorrect Performance calculation, giving you the wrong V Rotation Speed. Been many cases of this for various reasons, from human error, software/ SOP issues and wrong Config setting for the Performance calculated, could have been wrong V1 call also. I not sure about the Vortex theory, if you have ever felt that, that will give you a very violent movement on the aircraft, and I would have thought that would have been visible in the video if it was Vortex force that was felt. The Vortex theory seems to be Royal Maroc's own theory, which I would not believe out of hand. It seems more like they were to slow for the aircrafts configuration. There are many incidents with rushed SOP's and not sufficient cross check of Performance calculations, and review check to make sure correct details have been inserted into the FMGS. ZFW/GW errors, or PERF INIT page entered incorrect numbers. I feel that is a more likely explanation, but of course without an official open investigation, we will never know 100%. The reason why we should have a no blame just culture for investigations like these incidents, to make sure they can't happen again. It does seem Royal Maroc have had a few late rotations for various reasons when searching on Google. Hence I would rather look in direction of the SOP's, Performance calculations as possible threat.
thundercactus پیش 6 ساعت
My reaction to seeing those videos is always "I can't wait for a professional with a youtube channel to comment on this" lol
Barry Munro
Barry Munro پیش 7 ساعت
SIGH! So many "armchair pilots" out there in La La Land.
Zora پیش 7 ساعت
Well explained video, definitely shows the difference between internet trolls vs aviation experts. Looks bad from the untrained eyes, but looks very professional to the trained eyes. Nice to know that pilots train for the unexpected but also nice to know ATC warns pilots of proper potential threats.
MuffinTopNoMo 87
MuffinTopNoMo 87 پیش 8 ساعت
It looks like he forgot to do something b4 taking off then remembers jus as he's pulling up
sleat پیش 8 ساعت
I live right under the approach to 16R in Sydney (the longest one). When the bigger aircraft fly over, late final, not only can you occasionally see the descending WT in near dew-point conditions, but you can also often *hear* and sometimes *feel* it. The sound is basically what a vortex sounds like, especially a vortex hitting solid objects (as it moves downwards). I'd describe it as a sort of hollow, hissing, air-rushing sound, trending to a broken rushing sound when the vortices (vortexes?) hit solid terrestrial objects. Since discovering this, I've developed a much greater (already great) respect for wake turbulence! When it hits you, (ideally you are standing on the ground at the time!) it basically feels like strange, strong wind gusts that instantly seem to vary in direction, quickly transitioning, for example from left, to still, to right.
tigamilla پیش 10 ساعت
Excellent, really enjoyed this scientific explanation, thank you!
Thanos Tsolakidis
Thanos Tsolakidis پیش 12 ساعت
for completion purposes you could have ruled out bird strike avoidance also... I've personally delayed rotation on purpose for 1-2 seconds several times to avoid birds that fly just above the aircraft... the hard part is to find in a split second a good non standard callout to inform the other crew member of your intentions... lol
Tkj Tkj
Tkj Tkj پیش 12 ساعت
and a TOWER issue, not a pilot issue,
Tkj Tkj
Tkj Tkj پیش 12 ساعت
i.e. 'insufficient 'lift' " , recorded and proved videographicly ?
Jackson Sauce
Jackson Sauce پیش 13 ساعت
Im guessing weight fell back in the hold. Bad weight distribution. They then have to recalibrate their trim and whatnot. I cant wait to find out....... edit I have returned I was wrong
Stefan Alexandru Geogloman
Stefan Alexandru Geogloman پیش 14 ساعت
That's a great, clear explanation anyone could understand no matter what! Awesome stuff, like always!
Marcelo Borges
Marcelo Borges پیش 20 ساعت
Thorough, perfect and precise analysis. At first, I was also led to think that there was an error in the flap configuration. I liked this video so much that I started to follow the channel. Cheers.
Digital Nomad on FIRE Podcast
Digital Nomad on FIRE Podcast پیش 20 ساعت
Surely this must happen all the time at airports with this kind of runway configuration?!
Ric Walker
Ric Walker پیش 21 ساعت
that was awesome! before you started to explain i just watched the clip and thought: well, just another case of unknown overweight. But than the real reason... i never have thought of that. the explanation and the graphics were spot on! really awesome work!
Cody Luka
Cody Luka پیش روز
Excellent explanation! I'm sure for the passengers it created a bit of excitement for a few moments but she eventually took off.
Ronald Panaligan
Ronald Panaligan پیش روز
We I learned something new in aviation
Roln Thunder
Roln Thunder پیش روز
A cautionary tale.... similar situation occured to me flying a very heavy spray plane off a 2500' farm strip. Cross wind was 30 degrees right at 15 knots. Wind is very rarely from that direction. Initial roll was fine, tail came up, crossed my abort line no issue... What I failed to consider was that a treed farm yard at the end and right of the run way would screen the wind. I went from trying to get it up into ground effect at 65 knots to losing 10+ knots of airspeed and the tail start to settle in a heart beat.... With the end of the runway coming quick. Fortunately I got the wind back and was able to get off the ground with about 10 feet to spare.... In retrospect I should have dumped the load as soon as my tail started to settle. I was complacent and it could have been costly.... My next load was 200 lbs lighter and that I taxied to the absolute very end of the runway before starting my takeoff roll. Emergancy Load Dump is now part of my mental check lists.... Like it should always have been. A good pilot learns from his mistakes, a smart one learns from someone else's
2.5Fucks_ Given
2.5Fucks_ Given پیش روز
It was full of gold.
John Austin
John Austin پیش روز
The ground speed doesn't change (other than the selected acceleration) but the wake vortices are invisible and affect air speed. It's a brilliant little piece. Only Clarence (Kelly) Johnson can actually see air flowing around an aircraft..
Ten Minute Tokyo 2
Ten Minute Tokyo 2 پیش روز
Thanks India. Better faster, fail.
DossieSG پیش روز
Thankyou for taking us thru this. One question I had was, should the crew have taken the turbulence warning seriously and delayed? How often might the aircrew not have reported this incident if they had been warned by air traffic control. Alternatively, how often are these warnings headed by the crew, and perhaps rightly so, as just warnings, so the crew knows how to respond if something , like we saw, happens?
Terry C
Terry C پیش روز
Excellent explanation!! FDR data analysis would have identified this tailwind situation. Was it ever shared?
Betty Jane
Betty Jane پیش روز
A most excellent teacher are you!
D Geetar
D Geetar پیش روز
Very interesting, thank you.
OK Computer
OK Computer پیش روز
I'm guessing you are a swede who has flown for ryanair by your accent..
Arzeila Bou9erda
Arzeila Bou9erda پیش روز
Long live Morocco and the professional airline pilots of Royal Air Maroc. A very safe airline with very high educated and experienced pilots.
Lee Wilson
Lee Wilson پیش روز
What a fabulous presentation Sir! Subscribed and shared!
localcrew پیش روز
Great explanation. I used to rely on my former USAF pilot father for explanations like this. Now that he is in that great hangar in the sky, you’re the man. Just subscribed!
Steve Lux
Steve Lux پیش روز
One of the several reasons runways are long. They need to give an extra minute to let the wake turbulence dissipate.
Inservio پیش روز
Hadn't heard of this kerfuffle, apparently people got all in a tizzy! Humans will be humans. Excellent video, excellent analysis, excellent animation and structure overall. 5/5 stars, would watch again.
Chris Winter
Chris Winter پیش روز
I really thought this was a over weight situation that there was bad information somewhere but this changed my mind...
Yuri Travels
Yuri Travels پیش 2 روز
I don’t agree, I think it wasn’t enough speed at take off.
Gooner 72
Gooner 72 پیش 2 روز
Even though there's no ice, it's a similar take solution that the crew on the Air Florida crash could've done
Gooner 72
Gooner 72 پیش 2 روز
Cor, that was painful to watch...... I was willing her to get off the ground even though obviously i couldn't do it. I think the way you do these videos is fantastic, instead of harshly criticising the crew and poo pooing them, you break it down for us all.... including the crew..... and go through what they could've done. FANTASTIC WORK MATE ..... I love watching your channel, it's brilliant!!!!!!
Chi Chi
Chi Chi پیش 2 روز
A picture is worth a thousand words. The graphic towards the end explained it all ! But I do enjoy listen to the entire presentation.
Sushi Mamba
Sushi Mamba پیش 2 روز
So should ATC have instructed them to wait for a longer period of time before takeoff, so that the vortices have enough time to dissipate? With less skilled pilots this could have been a disaster.
TO Daysleeper
TO Daysleeper پیش 2 روز
I'm not a pilot and dont want to sound dumb... but I thought something similar, except I see the vortex as reducing lift rather than reducing plane velocity. Vortexes are areas of low pressure. As the plane passes thru the vortex, the low pressure would reduce the lift from under the wings. As the plane exits the vortex, ambient air pressures return to normal, and the plane resumes normal lift. (was there indication that the plane actually slowed down due to vortex, or just an assumption?). Also.... I LOVE your channel. You are an excellent teacher. Thanks so much!
Johosaffatt Jones
Johosaffatt Jones پیش 2 روز
They were stealing 20 Tons of bricks.
Charlotte Reid
Charlotte Reid پیش 2 روز
Cool. Thanks for the breakdown.
Simon Sargent
Simon Sargent پیش 2 روز
The guru of the air, gladly grounded and unemployed thanks to Covid. Epidemics have advantages ..
DreamVirtualFlight پیش 2 روز
just OUTSTANDING analysis, thank you Mentour Pilot. With love from a young mechanical engineer ;)
Jt Williams
Jt Williams پیش 2 روز
Incorrect flap settings or weight miscalculation? Just a guess
Dane Watson
Dane Watson پیش 2 روز
I had a similar experience in a small plane during flight school. I was about 100' shortly after takeoff, I leveled the aircraft but continued to lose air speed. At what I thought was a critical phase to maintain speed I actually started a small descent, controlled. After the wake turbulence speed & lift resumed. I got verbally berated for not maintaining a positive rate during the climb but I think it was the right call, speed was dropping, avoided a stall, nobody died. In such a small plane I could've still landed with the runway left too
CESAR CASTRO Jarochelo پیش 2 روز
Wow! You’re awesome! I took a long break from watching your videos. Now I’m hooked on with them. Thank you!
Rudolf Graspointner
Rudolf Graspointner پیش 2 روز
3:10 "... tail wind reducing speed..."? You mean down wind reducing lift?
DeAnne Hilton
DeAnne Hilton پیش 2 روز
I think I could fly a plane from the info you give out. Thanks man! Skal!
Scott E
Scott E پیش 2 روز
More often than not, when you see things like this... the pilot is actually pulling off some sort of miracle even though it looks like a near disaster.
Torbjørn Sørensen
Torbjørn Sørensen پیش 2 روز
Yeah, I commented before I heard the next thing you said.
Torbjørn Sørensen
Torbjørn Sørensen پیش 2 روز
Joseph DuPont
Joseph DuPont پیش 2 روز
Sir you are amazing... I hope to fly with you some day...
Rogier Maas
Rogier Maas پیش 2 روز
I don't always amaze myself, but when I do, it was with this video. I've never seen it before, but I immediately thought of a sudden drop in airspeed. I wasn't thinking about the vortices, but that made absolute sense to me. Thanks for explaining this so clearly and calmly! A big thumbs up for you!
Alpha 1-1 Cretty
Alpha 1-1 Cretty پیش 2 روز
This one is a genuine eye opener, very satisfying food for thought as always mentour 👌
G -r0
G -r0 پیش 2 روز
wow, i had no idea such a thing could happen! fascinating!
justsomeguy پیش 2 روز
You know everyone that has a strong opinion on what happened that isn't a pilot is probably an anti-masker too.
Tracker 001
Tracker 001 پیش 2 روز
At first I was going with Flaps 1 , Up until , you explained that the A-330 was part of the same scenario , causing a vortex . Surlie give an Indication how far Vortex will travel . Great explanation 👍🏽
Klaus S
Klaus S پیش 2 روز
Very interesting and plausible. Frankfurt is a very busy airport - can you really ask for more time before take off?
HamburgAirport پیش 2 روز
Interesting video with great simulations and kudos to bristolcardiff spotting for adding the prior A333 landing into the video like he knew what was the reason.
AustrianJager پیش 2 روز
This is a very logic, scientific explenation of this incident!!! Thank you for this!!
TheNasaDude پیش 2 روز
I thought the plane was overweight, and the pilots realized that and put the nose down for more speed
John Watson
John Watson پیش 2 روز
Why do you keep playing about on the jock stick if that’s the right name
Christian Wendt
Christian Wendt پیش 2 روز
Only BFU (German "NTSB") stated that they haven't been informed of the incident...
Wong Kong Yew
Wong Kong Yew پیش 2 روز
Indeed very sad 😢 what is happening in the aviation industry now !
Wong Kong Yew
Wong Kong Yew پیش 2 روز
*A very SAD day for a 100 years old AVIATION INDUSTRY Worldwide!!* *EMIRATES AIRWAYS* grounds 38 A380s and cancels all orders for the Boeing 777x (150 aircraft, the largest order for this type). They "invite" all employees over 56 to retire *ETIHAD AIRWAYS* cancels 18 orders for A350, grounds 10 A380 and 10 Boeing 787. Lays off 720 staff! *LUFTHANSA AIRLINES* plans to ground 72 aircraft! (in 2 instalments). *THAI AIRWAYS* files for bankruptcy. *SOUTH AFRICAN AIRWAYS* files for Bankruptcy! *FINN AIR* returns 12 planes and lays off 2,400 people! *FIJI AIRWAYS* lays off more than 7OO employees, including pilots. *VIRGIN AIRWAYS* fires more than 3,000 people including 600 Pilots! *VIRGIN AUSTRALIA* files for Bankruptcy! *SAS* returns 14 planes and fires 520 pilots. The SCANDINAVIAN states are studying a plan to liquidate NORWEGIAN AIRLINES and SAS to rebuild a new company from their ashes. *NORWEGIAN AIRLINES* completely stops its long-haul activity!!! The 787s are returned to the lessors! *BRUSSELS AIRLINE* reduces its fleet by 50% (and associated redundancies). *AIR MAURITIUS* goes into Administration. *IAG (BRITISH AIRWAYS)* grounds 34 planes. Everyone over 58 to retire *IAG (BRITISH AIRWAYS parent company)* abandons plan to takeover *AIR EUROPA* and will pay €40 million as compensation for that. *IAG (IBERIA)* grounded 56 planes. *LUXAIR* reduces its fleet by 50% (and associated redundancies) *CSA* abolishes its long-haul sector and keeps only 5 medium haul aircrafts. *YOU* grounds 22 planes and fires 4,100 people! *RYANAIR* grounds 113 planes and gets rid of 900 pilots for the moment, 450 more in the coming months! *WIZZAIR* returns 32 A320s and lays off 1,200 people, including 200 pilots, another wave of 430 layoffs planned in the coming months. Remaining employees will see their wages reduced by 30%! *EUROWINGS* goes into Bankruptcy *HOP* is studying the possibility of reducing fleet and staff by 50%. Currently, *60 new aircraft stored at AIRBUS with no buyers* in sight (order cancellations) including 18 A350s. They forecast a minimum of *8,000 grounded planes by September* that may sadly layoff more than *90,000 unemployed pilots Worldwide* "The AIR TRANSPORT Industry is on Life Support!" This will have a major impact on our lifestyles. *UNDENIABLY, THE WORST IS YET TO BE WITNESSED!!*
Roy Evans
Roy Evans پیش 3 روز
Great video, shows how special you have to be, to be a pilot. I doubt I would have the same composure in a situation like that.
viraltaco پیش 3 روز
7:03. Ok before you say it I'll say what I immediately thought about. I've never seen it happen before but with the little I know about aerodynamics it could make sense. I was thinking it could be a strong tail wind. Now let's see what it was… If it's not that, could a tail wind cause that? If it wasn't planned? ie: the wind suddenly changed direction. EDIT: It wasn't [exactly] that. Nice spotting that sock. Wake turbulence makes perfect sense. I didn't think they departed so soon after another aircraft landed 😕 That's scary. Thankfully they weren't air born when that happen. Must have been a high adrenaline moment for the crew.
Christine Crockford
Christine Crockford پیش 3 روز
I guess that was the reason after watching the video and im not even a pilot. So really was great flying. I thort was jet wash of previous aircraft, so was very neally right.
Zhangy پیش 3 روز
Turbulence was a cover-up, the plane was overweight
Олег Андрианов
Олег Андрианов پیش 2 روز
This reason is the most likely here. It's wierd that almost nobody takes to account overweight.
Castillo Blackburn
Castillo Blackburn پیش 3 روز
The reflective purpose equally mug because pelican family walk throughout a invincible deodorant. two, mammoth liquor
AviationCodyDev_ 757
AviationCodyDev_ 757 پیش 3 روز
Yeah, I think the 737 crew members forgot to extend the flaps or slats before take off. This is like what happened to Delta Airlines flight 1141 that crashed in Dallas Fort Worth International airport on August 31st, 1988 due to not extending flaps and slats
AviationCodyDev_ 757
AviationCodyDev_ 757 پیش 3 روز
They were almost not able to become airborne, could it be a stall?
Sam Vance
Sam Vance پیش 3 روز
It would be interesting to find out if that plane had a Predictive Windshear system installed at the time.
Sam Vance
Sam Vance پیش 3 روز
You talked about the second vortex giving a sudden IAS loss, but you didn't mention the first vortex giving a sudden IAS increase. That would solicit a Vr call early, followed by the IAS decrease going below Vr, thus prompting the nose lowering and probably a call of Windshear, max thrust, adding a precaution to rotate sooner than 2000' before end of runway. This is a classic windshear on runway escape maneuver.
Crazy Clown
Crazy Clown پیش 3 روز
Old Guy Does Stuff
Old Guy Does Stuff پیش 3 روز
Thank you for the clear explanation. I've seen this clip before and always wondered what happened. Now I know - and can appreciate the skills of professional pilots all the more. I wonder if this is something that has made it's way into simulator training.
supermendi007 پیش 3 روز
Very nice analysis, I was pretty sure from the beginning it was some sort of downdraft, but I was still pretty far from realizing it was caused by the wake turbulence of the other plane. It also looks like I underestimated the effects they can have on the lift of the plane taking off. This is really dangerous and very nice to be aware of.
gnshapiro پیش 3 روز
At 11:50, I think you meant "perpendicular" rather than "reciprocal"?
DL Vox
DL Vox پیش 3 روز
Wake turbulence?
Chance Harrington
Chance Harrington پیش 3 روز
Get a life wanna be polite
Tig Dogsbody
Tig Dogsbody پیش 3 روز
It’s" browm people" flying this bird, I wonder if that is a component regarding viewer comments.
Aircraft Flight Enginnering
Aircraft Flight Enginnering پیش 3 روز
Philip A Huggins
Philip A Huggins پیش 3 روز
Wouldn't it have been better if they had extended the rotation time instead of rotating as it was set because of the wake turbulence?
Anass .G
Anass .G پیش 3 روز
Moroccan girls, are these the pilots that you want to marry, they can't even do their jobs correctly😂
Mike Sowsun
Mike Sowsun پیش 3 روز
Without the complete data from the Flight Data Recorder you are still only speculating as to what happened. I am still betting on pilot error.
Michael Marfell
Michael Marfell پیش 3 روز
Great analysis! I went with door #3 - an air speed issue. However, wake makes complete sense.
Anthony Taggart
Anthony Taggart پیش 3 روز
Not sure if you’re flying at the moment during all this nonsense but you seem to be doing very well on your channel, and i can see why. Keep them coming.
Emil Emilov
Emil Emilov پیش 3 روز
Best pilot ever thanks for the video
SamJones41 پیش 3 روز
it might be a little unstable but you need to switch over to flight sim 2020 for your demonstrations
Michael Watson
Michael Watson پیش 3 روز
IRpost algorithm hasn't given me one of your videos for a long, long time. You are looking very unprofessional out of your uniform. What is going on?
Michael Watson
Michael Watson پیش 3 روز
Sorry I didn't mean to be rude. Just wondering why you don't have your uniform in this video?
N. Brown
N. Brown پیش 3 روز
I just stopped in to see how many people are “pilots” and “engineers”, I was not disappointed. Thank you.
0Epic0 پیش 2 روز
Sorry to learn that you're not.
george kurgansky
george kurgansky پیش 3 روز
That was a great video, thanks
Boris پیش 3 روز
Please where could I purchase your fantastic T-Shirt ?! Thanks, Boris. 🇨🇭
Luis Soltero
Luis Soltero پیش 3 روز
love this human! can't hold to say he resembles Klaus the Goldfish :p
NoorAzmi پیش 3 روز
do you have Bose sound link mini 2? that is an awesome small portable speaker.
Armando Aguiar
Armando Aguiar پیش 4 روز
Good Job Thank You
Lucas Medon
Lucas Medon پیش 4 روز
@74gear can you please do this video better!! I can't listen to anyone but you anymore haha!
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