DHL 757-200 San Jose, Costa Rica 7 April 2022
ฝัง
- เผยแพร่เมื่อ 7 เม.ย. 2022
- LINKS:
aviation-safety.net/wikibase/...
avherald.com/h?article=4f719c...
www.flightradar24.com/data/ai...
• DHL Boeing B757 suffer...
• Video
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It sure is nice to have someone who has actually logged hours in the aircraft and can walk us through the landing explaining just happened and how by “reading “the plane and knowing details like spoiler deflection and which system effects which spoiler. Great job Juan, I appreciate your knowledge and input on these videos. Thanks for sharing your knowledge with the laypeople like me and many others
J
And jop
We are appreciative!
@HisRoyalSkinniness makes more sense judging by the outcome.
Thank you!
Figures...
THAT explains a lot....
THO I think the rudder was still functioning
So there was still a PANIC factor in his reaction...
Using the WHEEL!
Correct me if I'm off base.
J.C.
Retired 737 guy here. I’ve been to SJO many times. From my cozy chair… I would have gone to Liberia. Sea Level flat terrain 20 minutes away. Great Job Juan , as usual. I love your channel.
I worked as a licensed A&P for three years in Miami, at Eastern Airlines ASC (1986-89: DC9, B727, L1011, A300, B757 Heavy MX 'C' & 'D' Check). I also did some "moonlighting" work for Batch Air, heavy MX, on cargo configured B707s. I'll tell you straight up - more than a few of the Cuban "mechanics" did less than stellar work. And the Cuban work managers would regularly get pissed if you found "issues" that required an inpector to get involved. I had one Cuban work manager literally grab MX worksheets, for servicing an L1011 emergency brake accumulator, from my hand, throw them on the ground and stomp on them. He threatened to fire me if I looked up one more task in the MX kiosk. Naturally I called a Union Steward immediately. At Batch Air, I had another Cuban MX manager go ballistic because I found a B707 spoiler panel's acctuator and hinge bushings so badly worn that the rod and hinge bolts had ground into the bosses of the aluminum casting. I called the inspector to witness the damage, and requested a new panel. The work manager was so furious that he refuse to allow me back on the property. So, if this B757 was being maintained by individuals of similar temperament, I can understand how "problems" might develope in performing effective timely MX.
I'm glad that you're not having to deal with that kind of stress any longer!
@@davidpeterson7197 I retired from aviation in 2002. Kept my A&P, but changed careers to something far less stressful, and which pays much better.
Thanks for the glimpse inside.
Where I’m from ‘pissed’ means ‘drunk’, might explain a lot. (Pissed off, means annoyed.)
@@johnnunn8688 Yep, we to keep in mind these differences. Still, we have one up on the Americans as we see so much of their TV programs that we can understand them, but they need a Babel Fish (of its visual equivalent) in order to understand us. :)
Great, thorough analysis as always, Juan. Thank you!
I’m a fellow 757 operator. I did take note of one additional thing during your walkthrough. Although the Hydraulic PTU would have definitely helped to alleviate a little bit of workload in this situation, not all 757s are equipped with them. There are quite a few 75s at my operator that do not have them. It looks to me as though this particular 757 also does not have one, as the landing gear doors are open during landing. This would mean to me that they had to use the alternate gear extension method to extend the gear (i.e. no PTU). This also probably means they had to go through the alternate flap/slat extension process as well, which takes quite a bit longer. Although this doesn’t really change the situation too much, it may have meant a bit higher workload for the crew, resulting in greater distraction throughout the event.
Noticed the open main gear doors as well. Wondered what was up with that. Thanks. I’m American 737 CA
Even if it had a PTU, if there is a big enough leak in the Left Hyd system, all the fluid will be pumped out no matter how you pressurize it.
@@chucksavall true that. Good point.
@@chucksavall totally agree with you, great point.
@@miniacaris Would spilling a ton of fluid all over the Right brakes short out/kill the anti-skid of the operating hydraulic system? IDK about aircraft, but car ABS will mess up if there is brake fluid on the brake discs. The encoder could have been shorted or flooded.
If you have a hydraulic failure the first thing you do is contact your dispatcher who will advise you to crash it at the destination so that at least some of the packages arrive on time
If they´d done this they would´ve landed in Guatemala City and not returned to San José.
Fantastic explanation, as always!
I thought the same thing when I saw this video even before seeing this video. He had a heck of a lot of runway left, so why was he hitting the brakes so hard. I realize speed may have played into it, but still. Seems like he would have tried to go as far as he could to stop the plane. Don't know about this airport but haven't a lot of airports installed the "gravel" like truck runoffs if their brakes fail on hills to stop planes if they go off the runway?
@@trvman1 Agree he had lots more runway left but the end of this particular runway is the PanAmerican Highway packed with cars!
All the more reason they should have that "gravel stop" area at end of runway if they don't have it.
Thanks Victor!
This may sound stupid, but I was wondering if he maybe headed off to the taxiway so that he could maybe try to make a u-turn back onto the runway at the end, and have more length to finish stopping. Probably crazy theory from this complete non-pilot, but that’s what popped into my head.
This is one of my favorite channels on YT. Juan's concise and relatively easy to understand explanations of aircraft systems and procedures removes the hype and mystery surrounding aircraft failure. Though I know nothing about flying, except how much I love the power of a big jet on take-off, seeing how much these pilots had to take into account when they landed causes me to be amazed they walked away at all. Thanks Juan for a great channel!
Brilliant analysis - informative, clear and concise.
I can see clearly enough why having only the right engine in reverse thrust will slew the plane right.
But is that + theory the only way to be certain both engines weren't in reverse thrust and maybe the brakes locked up on the right?
Indeed.
@@Farweasel If the left thrust reverser were deployed it would have been visible in the video.
@@Farweasel In addition to what @B.J. Slater said, locking up the brakes actually _reduces_ your total braking force somewhat.
@@FlySlater You can *HEAR* the reverse thrust go on.
You cannot see it from the right engine so why insist you would see it from the left?
OK the Left is easier to see but if effect was to be visible in terms of blown dust etc you would see it from the right too.
Juan, you are amazing when it comes to explaining the operations and hydraulic control systems.
You are an asset to the industry.
It's a part 121 thing - they drill this stuff over and over again, at least every 6months in flight reviews. Juan knows that 757 like none other.
I'm a former flight instructor/charter pilot. I enjoyed this immensely. Very technical information laid out concisely and clearly. Top job.
Outstanding content, a channel always worth watching.
I am not a pilot, but I did work for US Customs at a large NE airport.
Having searched more than one airframe for anomalies, it never ceases to amaze me how incredibly complex aircraft are.
The responsibility of everyone who is involved in just one craft is mind boggling.
Then you mouse on over to FlightRadar 24 from the comfort of the 'ol Laz E Boy and zoom all the way out and take a minute to wrap your noggin around how many planes are flying at any given moment
Amazing
Glad to see the Pilots are still with us to fly again
I feel like I'm sitting in a classroom with a Master Teacher explaining all of this. SO glad you're here, showing us all of this, Juan!
The B757 has an excellent braking system. As compared to the B737, it has twice as many wheels and brakes, thus the landing runway roll out distances are generally shorter than its smaller sibling. I have had to use the alternate flap extension system on the 757 which also requires a flaps 20 landing and higher approach speeds. We used 200 knots, slowing to 180 over the fence, on approach because we were not sure exactly what we had as deployed devices. We touched down normally and had no trouble slowing down at JFK. The aircraft does not have a fuel dump system so they would have had to fly around for a while to burn off fuel to lighten the aircraft for landing. Lots of time to run your checklists, consult with Company dispatch and maintenance to consider the best course of action. They may have even called in Boeing to get their advice, so this likely would have been a collaborative decision. As you stated, it is a marvelous aircraft with plenty of performance.
JFK has long runways at sea level so a bit different story to this.
Thank God this wasn't a 737-900ER 😳
@@rkan2 Maybe, as I remember, at max gross weight, all systems functioning normally, the roll out after touchdown was on the order of 2300 feet at sea level. In this case, they should have been well below max gross T/O weight, they had full braking available, at least one engine reverser, and most of the spoilers. The reason that they turned off the runway with approximately 2800 feet remaining will be interesting. Chances are that they lighted up the left brakes due to the differential reverse thrust as they attempted to keep the aircraft straight on the runway. Question, did they intentionally choose that high speed turn off or was the aircraft starting to veer to the right as the left brakes burned up?? I have also landed with one engine out, flaps 20, on the B757 and it was a non-event at ATL. Landing distance on the B757 was almost never a factor.
@@twiff3rino28 Good point,. As the B737 has grown ever larger, with seating capacity approaching the B757, they still have to contend with the single axle, dual tire and brake system found on the much smaller original100/200 series. Undoubtedly the brakes are upgraded but they will never approach the capabilities of the multiple bogies found on larger aircraft.
Did the brakes lock up!? What's up with that, guess we'll know eventually. Amazing no one was hurt, so, we'll done there!
Excellent video, Juan. Some FYI: (1) DHL Aero Expreso S.A. is not actually DHL. It's a wholly-owned subsidiary of Deutsche Post, which also owns DHL, but DHL and DHL Aero Expreso S.A. are separate companies, albeit with the same owners. (2) The home base for DHL Aero Expreso is Panama City, so It's a bit of a head scratcher why they didn't divert there.
Good info. Tks
And this was a DHL GUATEMALA flight hence the callsign JOS . They fly the panamenian registered planes as well.
Maybe they didn't think they could make it to Panama City. You don't need to scratch your head any longer, unless you wish to grow bald.
@@davidpeterson7197 It is a head scratcher, Panama City was right down the street for an aircraft still under control!
Other thing is that DHL Aero Expreso get most their manteinance in COOPESA MRO that's it in SJO and in their main DHL hangar in Guatemala City
Hell of a drift for a 757.
A few pilots I’ve met over the years all liked the 757. Hotrod of a plane!
There is something satisfying seeing those emergency trucks ready and waiting. Kudos to those guys, and I'm thankful that no one was severely injured.
B757 is my ABSOLUTE favorite as well. Flew it 21 years. Sad to see one broken like that.
Great SYSTEMS review and analysis. You got me really thinking about this.
Me: Divert to Panama City….2 long runways…Sea Level no terrain on approach and a U.S. Military Airbase close by.
PTY longest runway is only 200 feet longer than SJO. The sea level approach is nice but do you really wanna add an extra 90 minutes of flight time once you have lost left hydraulics.
@@mauriciolizano1198 Having been in and out of both airports dozens of times in the 727, 737, and 756..…yes…
I’d divert to a MPTO……..MROC is NO place to go with an “Emergency Aircraft” with Flight Control, Hydraulic, and/or brake and Reverser multiple issues……..elevation, terrain, and RW length are critical. An extra 2000’ might have made a BIG difference at a slower TAS/GS….then again, I wasn’t seeing what they were. Why the Anti-Skid wasn’t working very well, is a big mystery to me. Flew the B756 for over 20 years……
Absolutely incredible analysis Juan. You dissected that video in a way many could not. The fact you identified the hydraulic failure by the spoilers that were not extended is nothing short of fantastic. You are a tremendous source of information for the TH-cam community. Keep on keeping on!
Hello,from France.
I loved your analysis of AF011 and that one. I flew only 744 and 748 freighter. Your comments are amazing.
Humble respect from France American flyers
Glad to see your coverage of this incident! Thanks for bringing your professional expertise to us. Glad the crew is safe!
Thanks for the breakdown Juan, we had a 75 crew deadheading w/ us last night and your ch. was the main discussion...stay safe
Glad that one turned out OK! Had
the potential to go really bad. Was amazing to see all that weight at work as it stepped out to the left. Amazing amount of momentum spun that thing right around 180°! Must’ve been a rough ride, but glad they all walked away. Somebody’s not getting their new China set this week …
More likely jeans or flowers
Back in the late 90s, I worked at contract MX at Bradley Field, in Windsor, CT. We serviced cargo-congiured B-727s for Kitty Hawk. The birds would usually nose up to the cargo facility and get their main wheels chalked. One exceptionally windy day, I literally watched the wind lift up the nose of an empty B727 several feet in the air, spin the aircraft 90 degrees, jumping the chalks, and set it back down on the nose wheel, without a spec of damage. The port wing just cleared the cargo facility. That was the damndest thing I ever saw on any airfield.
@@hiturbine I can only imagine what was said.
@@hiturbine that had to be something to see!
@@hiturbine WOW!! That would've been a perfect smartphone moment! I missed a lot of things in my life prior to the 21st century by not carrying a camera attached to a supercomputer in my pocket every day, lol.
Juan you’re always clear and understandable in your analysis! Good job 👍🏼
Excellent video and great analysis! Never realized you flew the 757 that’s awesome!
Excellent, excellent breakdown as always. And while it's always sad to see another bird go, it's heartening to know the crew got out.
Absolutely brilliant, thank you for all the work you put into these videos.
Really appreciate how you walk us through what is going on, Juan! Nice job.
Jaun, you are an amazing wealth of aviation knowledge. Love how you dissect these unfortunate incidents.
He's so calm, especially here, it's like a sideline, play-by-play in football!
WOW!! that was crazy. Juan, I want to say I enjoy your videos and the way you explain things. You really put it to a simple form. I was an A&P Mechanic so I understand what you are talking about. But just enjoy the way you present the information. Keep up the great work :D
I saw those videos earlier and knew that I would wait for your analysis first. Good job as always!
Really good job editing, Juan. You brought us full circle to the same clip, but the 2nd time I understand what I'm seeing.
Hats off to you for producing this analysis so quickly as always
Spot on, world class
Reporting and assessment once again Juan.
Thank You Juan for always explaining the little details. I appreciate you. ✌
As usual, excellent technical depth, no drama like another *TSB TH-camr. Always look forward to Juan’s analysis and the longer the better on the commentary and detail.
You wouldn't be talking about that dang rider would you now?
Thanks Juan, have been looking forward to your analysis of this most recent incident.
I'm sure if you ever stop flying, you've got a job waiting for you at the NTSB, they would be lucky to have you!! Cheers from Australia :)
Juan - been watching you since Orivile… this has to be one of, if not the best, video you’ve done (and that’s a hell of an accomplishment as your videos are great).
I learned much and I consider myself to be fairly knowledgeable when it comes to airplanes.
Bravo sir, well
Done.
Thanks Tim!
You are amazing when it comes to explaining the operations and hydraulic control systems.
You are an asset to the industry. A really good case study to the airline industry. Bravo!!
Juan,
Excellent video, explanation, and analysis as always - thank you!
And glad no one was hurt.
Paul (in MA)
Sir well done , Great well thought out explanation from a 757 veteran pilots view !
Hi, I'm from Costa Rica. And I didn't see such a big and nice explanation from anyone. Thank you so much for the explanation and walk us through that.
This incident not accident is very much a sign of the times where you have a slackening of proper maintenance and the new norm is shortcuts to get stuff done. The NTSB is going to be very busy dealing with the cause & effect of whats been virus affected since 2020.
Dr Fauci would concur
Thanks Juane; It is rewarding to have your insights as always. Thank God no one was injured.
Thanks, Juan. As always a thorough and objective analysis made possible with excellent technical knowledge.
I just love your work Juan! Thanks
Great coverage Juan! Your professional experience with the 757 really added a lot of context into what happened there. I can only imagine what was going through the crew’s minds as they entered that runway excursion.
Thanks for your great coverage on this one Juan
I knew you were working on this JB. Excellent job as usual 👏 👍 👌
I saw this footage shortly after it was posted and knew that I had to see the Blanolirio version. As usual, Juan B. does not disappoint! Thank you, Juan. I am glad you have had such a varied hands-on experience over the years to be able to share it with us. Cheers from Texas.
Hi Juan! I found your channel after one of your subscribers posted a link to your channel in the comments on one of my much loved Dmytro Antonov's videos. You're fantastic to listen to and by watching your content, there is active learning but its enjoyable and effortless uptake of really relevant and quality information. Thank you so much! Have subscribed from Perth, Western Australia. 🏆🏆🏆🏅🏅🏅
Excellent, Juan. Great depth and insight and a pleasure to follow your thinking process as always! 😀
Thank you so much for this video! Your detailed explanations of aircraft systems was very helpful! Brilliant analysis! I thought at first when I saw this video on Twitter that the tail breaking off was due to a flaw with the fuselage. But after a couple of views, I realized too that it was the result of the impact when hitting the ditch. And also from the video I thought that maybe the left hydraulic system was what failed, so thanks for that! The pilots got out by the left side cockpit door and were helped down by the firefighters extending a ladder. I am glad they are unharmed. The TH-cam channel ARFF World has an excellent video showing the firefighters response. It also looks like the cargo was relatively undamaged and could be loaded onto another plane and sent on its way. It will be fascinating to find out what exactly caused the hydraulic system failure, and I hope someone follows up on this accident.
My number one source for aviation news. Thank you sir
Thank you as always Juan!
Juan, thank you for all you do.
Well they say there's a first time for everything, but this is the first time I've ever seen a 757 going off roading. Thanks Juan.
Nice drift too.
If he was trying to parallel park, he may want to practice more with smaller craft.
That spin was fierce, to bad that dang ditc caught them, that was harsh on that wing, engine, and empennage, wowie!
Couldn't ask for a better analysis given the circumstances. As usual, 5 ⭐️ report by Blancolirio
Juan great analysis and review of this accident. You again demonstrate why your channel is the gold standard of aviation content on TouTube. We’ll done Captain. 👍🏼
It was worth the wait. This channel is the best! Thank you. Very thorough research, very clear explanation and the right questions asked! Please keep up the great work!
Just top notch coverage Juan. It is truly a shame to see one of these fine 757's go into wright off mode. I hope they can trace this issue to faulty maint as well based on the recent issues with the plane. Thank you again. J
SJO is my home airport. Glad they walked away and that the airport was able to quickly re-open.
DHL down here is operated by Aero Expreso in PTY.
Thanks for the quick quality analysis!
We have been waiting for this analysis, particularly as it came from a former 757-driver. Down to earth and knowledgeable as always. Thank you from Wiesbaden/Germany!
with your knowledge of this aircraft you made it easy for a novice to understand love your channel learn something every time i watch
Ugh. Never want to see such an amazing aircraft end its "life" like this. But the great news is that the crew survived. As always...thank you so much for this, Juan.
Thanks Juan. Great report. I don’t think they’ll have to worry about maintenance on that plane anymore.
Excellent video Juan. Thank you 👍🏻
Sir. Where the aircraft broke aft is part of the brake away system for passenger transport aircraft . The fuselage is designed to brake away in three parts in an event to help people excavate an event, it works . First designed an engineed by Scott crossfeild for the x .15 program . His life was the first life saved during a ground test runup when the x 15 exploded send him in the cockpit clear and safe .
Ermm... no, commercial aircraft are not designed to break in some manner, except for the engines which shouldn't break the whole wing if they separate.
If you do your homework you will find it is true .
Outstanding discussion Juan. You know I’ve talked about the 757 being my absolute favorite, but never flew it. I couldn’t really discern if both bogeys were skidding. Thankfully no fatales and I’m very interested in the previous hyd issue. Great 👍 work!!!
Thank you for the update
A terrific review as always! Thanks Juan
Great job Juan. Love this channel.
I was waiting for this video. Greetings from Brazil.
“Wind the clock” was taught in my first sim session.
Invaluable.
Light a cigarette 🔥👌🏼👍🏼👍🏼
@@CigarAttache smoke em if you got ‘em
It works in many high-stress situations, even when you get lost in the woods on the ground. Let the stress hormones dissipate so the limbic system calms down and the intellect can return to the helm.
as a native german speaker, I had no idea what the meaning of this saying is. So I googled and found an explanation on urban dictionary. It was funny, but surely not helpful in aviation :-D
@@Sturzi stop and think about what you are doing for a min. Don’t rush making decisions. Or slow things down.
Thanks Juan, Glad everyone was OK, and nice work on the analysis!
When I saw this Accident on the internet, I immediately couldn't wait till Juan analysis of this Accident. Great job, looking forward to updates when they release more information on the cause.
757 Drifting. I thought he actually might make it, and 180-it back, giving him twice as much runway... and a new sporting event.
Don't give Cleetus Mcfarland any ideas , you know he'll try it .😎
That would make a sick Fast & Furious spin off. Move over Tokio Drift. Glad everyone made it. 😎😎😎
Thank you very much for picking this accident up, too!
Unfortunately safety events in the aviation world during the last weeks make you really busy...
I subscribed!! Been flying 757-200-300 in a simuilator. Its great that you did this video it gives me an understanding to understand and know the airplane.
Incredible analysis Juan! I love your content!
Great insight. Thank you!
I love the 757. Sad to lose another one knowing they've been out of production for many years.
I love learning this stuff on this channel...brilliant analysis.
Great video as always Juan! Thanks for the research and information!
Shame to see another 757 leave the fleet. It's one of my most favourite airliners.
A few years ago I went for a flight in an Arrow out of Tobias Bolaños MRPV over on the other side of the valley. It was a challenging flight. High field elevation plus tropical temperatures meant high density altitude. Wind plus mountains made for a bumpy approach. At least I had the luxury of a plane that was working perfectly. These folks didn't... 😞
Thanks, Juan. You always do a great job with your analysis.
Juan it’s amazing to me even as a aviation engineer how much knowledge you keep in your head. Air Force aircraft and tech orders maintenance and flying operations, all the airliners you’ve flown all within a second or two at the tip of your tongue. Our true source of everything aviation. Thanks
Hi Juan, we missed you at the STOL demo at Sun N Fun tonight. You are definitely the best announcer.
Tell National STOL guys to have the common decency to return phone calls and messages! I tried! Thanks! Jb.
@@blancolirio 😬😲😥😥
That is crazy, wow! Luckily no injuries. Yikes
Just speculating that one or more tires on the right main let go, compounding the problem(s).
Well done as always, thanks Juan.
The "cameraman" did a priceless commentary on that! 😂
Thankfully not many people understand what he said, only Costaricans would know , I cringe every time I see this video 😂
what did he say?
@@TheNeighborhoodCat I don't know, but it sounds a lot like profanity!
@@TheNeighborhoodCat it’s d’ck face in Costa Rica
@@eternaldoorman5228 He said "Uhh dude, holy mother, uh dude, d*ck face dude, dear god dude" D- word used just as an expression of surprise.
For fifty years I owned a BMW motorcycle so, yes I remember the petcock on the gas tank that allowed you to access the fuel reserve. This is an excellent channel from which I have learned a great deal.
I am a Patreon and I encourage everyone who watches this channel to become a Patreon as well.
Thanks Juan Brown. You really are on the top of your game.
Such a great video today Juan!!!!!
Glad to see the crew survived, the freight can be replaced if damaged. Great response by the Fire Rescue crews, they are amazing people.
Looked like all the cargo got was a rough ride. If there wasn't anything easily breakable, all the cargo will be is a little late.
I appreciate your point, but not all freight can be replaced. Some things like antiques, one of a kind equipment, old photographs, etc.
That was my first reaction; thank God no fire .... 🙏
And as a side note, even though the aircraft was likely a total, it looked like most of the cargo was probably intact.
Except for that China set grandma was expecting tomorrow… 😂
@@SmittySmithsonite yup ... unless it was REALLY well packed, probably not doing so good ... 😁
"Your package will be slightly delayed"
And the insurance cover is only 10 bucks!
@@Kenjh71 What happened? ... I thought it was out for delivery today!
🧐
Great analysis as always! Thank you Juan!
good information Juan. Thanks for the video!
Ouch, I fly in and out of the SJO airport 4 times a year.... The runway doesn't leave much room for mistakes.