EMERGENCY OXYGEN system for PASSENGERS! Explained by CAPTAIN JOE
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Dear friends and followers welcome back to my channel and to a great video about the emergency oxygen system for passengers on jet airliners.
We´ll be looking at, why you have to pull on the lanyard before placing the mask over mouth and nose and how the oxygen is generated.
Source Wikipedia:
Aircraft emergency oxygen systems are emergency equipment fitted to pressurized commercial aircraft, intended for use when the cabin pressurisation system has failed and the cabin altitude has climbed above a safe level. It consists of a number of individual yellow oxygen masks stored in compartments near passenger seats and near areas like lavatories and galleys, and an oxygen source, like a centralized gaseous cylinder or a decentralized chemical oxygen generator.
Most commercial aircraft that operate at high flight altitudes are pressurized at a maximum cabin altitude of approximately 8,000 feet. On most pressurized aircraft, if cabin pressurization is lost when the cabin altitude is above 14,000 feet, compartments containing the oxygen masks will open automatically, either above or in front of the passenger and crew seats, and the oxygen masks will drop down in front of the passenger. Oxygen masks may also drop on extremely rough landings or during severe turbulence if the oxygen mask panel becomes loose. Rows of seats typically have an extra mask (e.g. 3 seats, 4 masks), in case someone has an infant in their lap, or someone in the aisle needs to grab one.
An oxygen mask consists of a yellow, soft, silicone facial cup with white elastic bands for securing the mask to the passenger's face. This band is adjustable by pulling two ends looped through the facial cup. The mask may also have a concentrator or re-breather bag that may or may not inflate depending on the cabin altitude, which has (in some instances) made passengers nervous the mask was not providing adequate oxygen, causing some to remove them, who thereby suffered hypoxia. All airlines now make a point in the safety video or demonstration to point out that the bag may not inflate. The bag is attached to a tube, connected to the oxygen source in the compartment, allowing for it to drop down and hang in front of the passengers. To operate on all aircraft except the L-1011 and B787, they must be pulled sharply toward the passenger who needs it to un-clip the flow pin and starts the process of transporting the oxygen to the passenger. Passenger oxygen masks cannot deliver enough oxygen for sustained periods at high altitudes. This is why the flight crew needs to place the aircraft in a controlled emergency descent to a lower altitude where it is possible to breathe without emergency oxygen. While the masks are being used, passengers are not allowed to leave their seat for any reason until it is safe to breathe without the emergency oxygen. If there is a fire on board the aircraft, masks are not deployed, as the production of oxygen may further fuel the fire.
Aircraft safety cards and in-flight safety demonstrations shown at the beginning of each flight explain the location and use of oxygen masks.
Some aircraft, such as the SAAB Series Aircraft and the 1900D, have a mask system where either a mask is stored under the seat or is distributed by the cabin attendant. These masks are removed from packaging and plugged into the socket for oxygen supply.
On the B787 Dreamliner, oxygen masks only consist of the bag and tube. Passengers breathe into the mask to start oxygen flow, and in some cases, there are no side straps, as the mask adjusts automatically.
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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Пікірлер: 1 200
There is a minimum of two oxygen bags in each lavatory? Sounds like engineers planned for people being in the mile high club.
@ThatDamnPandaKai
5 жыл бұрын
I thought that too for a second, but it's for infants.
@ErkkiMattila
5 жыл бұрын
Or they are, more boringly, there with their young children.
@joaquimgoncalves9412
5 жыл бұрын
Or if one doesn't work and you are unable to get to your seat on time. I'm not judge, I also have a dirty mind...
@TonyP9279
5 жыл бұрын
@@GerardMenvussa The mile high club CAUSES infants LOL!!
@MarechalAviador
5 жыл бұрын
Actually, that's for the case of having a mother with a child on the lavatory.
Ehh... my mask isnt comfortable, I want to see the manager.
@prixez3057
4 жыл бұрын
Mikesman1000 oh shut up karen
@winnieunnie6298
4 жыл бұрын
*Respect the drip Karen*
@nono-fb8tr
4 жыл бұрын
wow this is too real in May 2020
@erikk77
4 жыл бұрын
Damn you Karen !
@hoes747
3 жыл бұрын
This comment was literally ahead of its time 😂
Thanks KZread, I really needed to watch this at 12:30 AM
@imperiumcommentingnetwork4677
4 жыл бұрын
I really needed to see this at 2 AM
@emilreichmann7277
4 жыл бұрын
I really needed to sea this at 4am.. thx!
@Usman-eg8se
3 жыл бұрын
12:20
@CTMKD
3 жыл бұрын
12:20
Pulling out can also save a life... from alot of stress
@paulhorn2665
5 жыл бұрын
Haha, youre right :-)
@deecee9741
5 жыл бұрын
But no guarantees 😉😁
@Belbell245
4 жыл бұрын
I fall in this trap.. wish I did pull out 2yrs ago 😪
@ixm2unvrz
4 жыл бұрын
a jettison system similar to those on the McDonnell Douglas MD-80 (for its tail) on your male docking system can be useful as well, so you pull a lever when you're about to release the payload
Also it's important to put your mask on first and then help others because at those altitudes you can pass out within seconds or get hypoxia. So don't be the hero and put your mask on before helping others.
@MarcoTedaldi
5 жыл бұрын
The channel "Smarter every day" has a great video on exactly that.
@katesmith8897
5 жыл бұрын
Also the TUC chart (Time of Useful Consciousness) you usually have 30 seconds to two minutes, lots of factors play into it. If you're at 45,000 feet you're screwed you only have 9 to 15 seconds
@charliedontsurf8063
4 жыл бұрын
Unless someone helps you
Hey, where is the hump on your plane logo? Time to update it ahah, you’re a 747 pilot now
@genevieve571
5 жыл бұрын
He posted a concept pic to Instagram. The overwhelming reply was for him to keep the logo as is.
@Rodrigo-rq1dx
5 жыл бұрын
GANDA TUGA C*R*LH*
@adambaker9367
5 жыл бұрын
Joe is planning to do a video about the Boeing 747 so it will be a good time and place to reveal it then :)
@OuttaSyllabus
5 жыл бұрын
came here to comment the same :)
@param415
5 жыл бұрын
+ an engine on each side.
Perfect guy to use in an aeronautical engineering university course!
@valorkaizen
4 жыл бұрын
Man I really want to become an Aerospace engineer
I would be afraid to pull the hose out of its socket. How much force can they take?
@vvoznyuk83
5 жыл бұрын
I have the same question. Basically I was opening this video and hoping to find an answer to this question. Anyway, it's a great video, still learned few new things.
@Fallensya14
5 жыл бұрын
The hoses are long enough for you to not rip the hose as you can see they swirls at 11:05. That is the fully-deployed position after you have pulled the safety pin out of a cylinder oxygen in which will lengthen the hose as they are initially short due to a lanyard tied in between the safety pin and mask at 7:07. This also can help the maintenance crew to indicate which mask has been used so they can dispose it.
@dr.spectre9697
5 жыл бұрын
Just a decent pull. I have been on 2 flights where the masks came down. A quick yank on the hose, like youre yanking a cord out of a plug.
@deecee9741
5 жыл бұрын
@@dr.spectre9697 You mean yanking a plug out of a socket.
@deecee9741
5 жыл бұрын
@@spidercubed9718 Yeah, when you on the switch, the light will bulb.
Pardon the pun but your video about the emergency oxygen system is like a breath of fresh air 😃. I definitely enjoyed learning about this important system since it is always good to know how to use it, and to understand how it works :) . I am a “newbie” passenger so I have not really flown that much but learning about this takes the fear element out of flying more than 15,000 feet above the ground :) .
Fun video Joe! Most people don’t even listen to the flight attendants during their briefing, so hopefully more people will remember the great information in your video. Great job covering such an important topic 👌🏻!
@rovenmontehermoso8090
5 жыл бұрын
@Avaitor Inspirations your right i listen to nice channel
@Wtfinc
2 жыл бұрын
I couldn't understand the attendant anyhow. 3:21 - 3:25 ?V? " "Jet airliners automatically deploy the passenger oxygen masks, "from the paum above your seat." " What's she saying? Can't be compartment or panel just really heavily accented, cant tell. Maybe accidental word mash.
In all my years of flying, this is the most informative pre-flight briefing I’ve ever heard. You saved my life joe.
Sounded like 'Dutch Pilot Girl' doing the PA voice 🎤
5 жыл бұрын
Yup, I noticed that as well, I actually think it was indeed her.
@genevieve571
5 жыл бұрын
No it didn't, it sounded like a computer generated voice
@airflo_muc
5 жыл бұрын
@@genevieve571 Neither dutchpilotgirl nor computer generated :P
@suhasas363
5 жыл бұрын
Haaaaaa yes she may be given
@filthyfacts5100
5 жыл бұрын
Maybe
We used to use a similar thing on US submarines. When oxygen gets low, and for some reason we cannot take in fresh air, or if the o2 generator goes down, theres oxygen candles we can burn for oxygen. There was also a naval firefighting device called an OBA (oxygen breathing apparatus) used to provide o2 during emergencies. Same idea. A canister the insights to create oxygen. Damn thing sucked because it was worn on the chest. Thanks for bringing back memories of the boat Captain Joe.
@adamputu5448
2 жыл бұрын
That True Not Just US Submarine AkA Military Submarine Civilian Too. Any Submarine My Opinion Is Using O2 Generator Not Bottle
Just right now I was studying cabin atmosphere control systems ( jeppesen airframe book) and ur alert for this video came up .and it’s so much easier when I can have visual experience from the video. Thank you Please keep them rolling. Big fan...
This was a very good video! I am a frequent flyer and ever since I was told that we did not have flotation vests but had to use our seat cushions instead, I always pay attention to the security demo. You never know what changes they come up with! Happy flying!
11:09 Whoops. Those black bars disappeared on the final frame.
@dr.spectre9697
5 жыл бұрын
They looked better with the black bars on their faces.
@BankruptGreek
5 жыл бұрын
you can get fined in Europe for that, even showing them with black bars without their consent I ve heard
@Life4YourGames
5 жыл бұрын
@@BankruptGreek depends... when the picture is not focused onto few people but on the greater mass - which in this case would be the situation of the oxigen masks being needed, you can use the pictures without worrying about those kind of fines. There is still Copyright most of the time though.
I studied chemistry in high school and I understand the reaction taking place, I just have a hard time wrapping my brain around a reasonably hot exothermic reaction producing oxygen without simultaneously setting everything else on fire. Kudos to the engineers who designed this system!
@ianmayes5572
4 жыл бұрын
Check out the story of ValuJet Flight 592
@chrisb9143
2 жыл бұрын
@@ianmayes5572 Turns out, it does put things on fire
I didn't know i have to pull lanyard, I thought it's that detailed, elaborate emergency instruction and procedure!
Joe, thank you so much for sharing your knowledge and experience!!! All the best!!!😍
Great video, even an old dog like me (more than 41 years and more than 22,500 hours of experience) is learning a lot from your videos. The CL-30 corporate jet that I fly now has bottled O2 for the pax as well as the crew as it is required for oceanic trips. We have charts that we have to refer to when planning an ocean crossing to be sure we have the required O2 for the passenger load. Keep the great videos coming.
10:55 Actually none of them is wearing mask in a proper way :D
@funone8453
4 жыл бұрын
Yeah lol
@wildgurgs3614
3 жыл бұрын
Dang! This comment is ahead of its time also!
@leannexu3362
2 жыл бұрын
The mask has gotta be above your nose and below your chin!
Love you and Mentour - both really explanatory
I love how often you ask for people to show some respect for the crew members because yes, people are usually doing everything else during the safety demonstration, except paying attention to the procedures that are being shown. Also, your videos have a lot of relevant information even for people who already work in this area. Thank you
One of the best guy on KZread with great quality content! Great job!
I really love your videos and how you teach us about airplanes and all about it. Also, I'm learning and improving my english with your videos.
Great video very informative I want to be a pilot when I grow up just like you. My dream is to fly a Boeing 747
@maja8881
5 жыл бұрын
Sorry to crush your dream, but it is propably out of busniess then😖
@redwan_lmati
5 жыл бұрын
@@maja8881 everything is possible if you believe it is
@maja8881
5 жыл бұрын
@@redwan_lmati love your positivity💛💛
@u.h.forum.
5 жыл бұрын
Your only hope flying 747s then will be at an air show.
@luke34121
5 жыл бұрын
@@redwan_lmati except if there are no physical 747s left to fly, so Maja Maja has a point.
I used to have a lot of personal anxieties and issues with flying. Watching your videos (not this in particular but many of them) has helped me a lot. Thank you Captain Joe! Air travel is much easier for me now.
Hahaha, fantastic intro Joe!! You really make me enjoy your very informative and perfectly explained videos!! Thursday is the day of the week to pop round!! Greetings from Berlin!!
If I were to correctly remember a quote from the podcast/radio series 'Cabin Pressure' "Aeroplane safety procedures may change from time to time. And this one, flight to flight!"
The 'props' used added to the excitement level of the video. ;)
Great having you back, Captain. Missed you, but glad you're busy flying.
Thanks Joe !!! I obviously did need this lesson , was not aware needed to pull down to activate . keep up the good work
Great video CJ! Why is it that some airlines decide to 'delete' the engine manufacturer symbol/branding? Is it purely cosmetic, like options on a car? Or is there a large fee associated with this? I'm not sure why this popped into my head, but it did.
Great video Captain and thank you for the explanation! A small correction from a physician: the problem with high altitude is not low oxygen amount but rather a low partial pressure of oxygen. The partial pressure of oxygen is a very important concept in lung physiology as it healps oxygen dissolve in the blood and finally be taken by the hemoglobin. At high altitudes the partial pressure of oxygen drops graduallly as we ascend, thus the oxygen we breath normally will not dissolve into our blood easily as if we were at the sea level where the partial pressure of oxygen is about 760mmHg.
@Eternal_Tech
5 жыл бұрын
Yes, that is true, but is it also true that the air is "thinner" at higher altitudes, meaning that there are fewer oxygen molecules per unit volume than at sea level? That is, the air molecules, including oxygen, are farther apart at higher altitudes as compared to sea level.
Absolutely great video! I'm paramedic and doctor so I'm very interested in vids like this. And info about burning smell! It's SO important! I imagine that panic reaction is very common in situation like this, when you have to wear mask and when you feel burning smell in he same time this reaction can be extreme. Thank you :*
Thanks Captain Joe for the video and explanation. It turned out to be more precise that the safety briefing before my flight this morning. 😊👍
Great video joe very informative
Joe, I love your humour. 😂
This was the actually a very informational one. You got it right i too neglect the safety demonstrations :P Will be more attentive from now on. Good one Joe
For as many times as I've flown, I didn't remember the bit about having to tug on the tube to get the thing started! Good info!
Hey Joe, can you go into technical detail of the 747 please😁. I love your technical videos
@racecarthedestroyer7192
5 жыл бұрын
That is not likely since he's an airbus guy and not a boeing guy
10:55 actually all 3 guys are using them wrong
Actually thinking about becoming a piloto after i finish my current business degree. Just found this Channel and i can't stop watching. Really interesting stuff. Thanks and greetings from Spain.
Was busy, building an arcade machine, and took a breather, to catch this episode. thanks for explaining the oxygen distribution system for us. :)
Video uploaded 3 sec ago and I see 5 people writing how good the video was xD but good vid captain
5 жыл бұрын
That could be someone with early access, while the video was unlisted.
Now I’m curious why there’s TWO masks in the toilet 😂
@CTMKD
3 жыл бұрын
lmfao
Great video Joe, you have a great way of explaining things. As both a pilot and a paramedic, I’d like to clear up one point. You said that at FL180 “there is only half the amount of oxygen left in the air” compared to sea level. To be precise there is still nearly exactly the same amount of O2, 21%, in the air at that altitude and even much higher. The partial pressure of the O2 compared with the other gasses present is what is lowered at you ascend. This means that the lungs cannot absorb the oxygen as efficiently at higher altitudes and you will start to become hypoxic. Your body will stop functioning correctly (and very quickly at higher flight levels) unless you correct for this. Two ways to correct: increase the pressure of the gasses by pressurizing the cabin (the normal way of doing things) OR, increase the just the oxygen gas pressure by changing its concentration. The latter being easily accomplished through the supplemental chemical O2 mask system or by the use of bottled 100% O2. I think we thank Boyle’s Law for this. :-)
Operational Procedures + Systems master class, great video Captain!
Very interesting episode. Thanks
7:44 (Yes I realize the hilarious timing) I wonder why there are two.... heheheh
@Rodrigo-rq1dx
5 жыл бұрын
Girls need to pee together...
@Simoncuong
5 жыл бұрын
crominho HD So true, I was thinking more dirty than you it seems.
@Simoncuong
5 жыл бұрын
Creepwood True, I was thinking of something far better.
@erikhjortsater5461
5 жыл бұрын
Den Topseje Gummiand I wouldn’t necessarily say worse..
@Simoncuong
5 жыл бұрын
Hjortsater hahaha so true!
Danke schön Herr Josef!
Awesome video as always!
0:45 Kennedy Steve?
@eragonFiniarell27
5 жыл бұрын
Sure it is him :)
@Rodrigo-rq1dx
5 жыл бұрын
Greatest ATC of all time!
@Joeybagofdonuts76
5 жыл бұрын
I just noticed it today too.
@elcastorgrande
5 жыл бұрын
@@Rodrigo-rq1dx So sorry when he retired.
@btsekov
5 жыл бұрын
Definitely this is him, but is this on purpose ?
It the whole row is breathing from the same O2 generator, is it enough if just one of the passengers on the row pulls the hose to start the reaction?
@refTX2987
5 жыл бұрын
The oxygen cylinder has one "detonator" connected by cords to every mask in row. So, if one person pulls mask the oxygen will flow to all masks (they are all connected in one junction).
Great video Joe! Thanks.
Just found your channel and your smile is infectious. Subscribed for sure.
The Sodium Chlorate formula is wrong. There should be a subscript 3 on the oxygen, otherwise the reaction would not work, because there wouldn't be enough oxygen left after the iron has oxidized.
@CTMKD
3 жыл бұрын
alright, well not everyone has a chemistry degree
I always wonder how hard to pull down on the mask. I wonder if you can pull it out if you use too much force.
@wildgurgs3614
3 жыл бұрын
I doubt it. The engineers likely took both extremes - nervous passengers giving weak pulls and strong passengers really yanking the thing - into account, so I doubt it'd fall unless you really tried to pull it out.
Awesome video!! Thanks Captain!
YAYAYYAAYY he's back at it !!
Heyyyyy I love your videos
"[...]and breathe normally!" - this always reminds me of George Carlin 🙂
Awesome explanation, Joe! I always wanted to know more about this.
Love the Kennedy Steve bit in the intro!
Nice video captain 😍😍
@adityaparaye2850
5 жыл бұрын
I watched it on other device actually !!
Hey I hope to be a pilot when I grow up. I have already planned my college, university and budget out.
@footballnewsandupdates1176
5 жыл бұрын
Cool that's what I want to do when I get older too
@solunetic530
5 жыл бұрын
@@footballnewsandupdates1176 Nice!
@ameliethyst
3 жыл бұрын
its been 2 yrs...
@solunetic530
3 жыл бұрын
@@ameliethyst Hey! Im still here! I Commented when I was 14, now im 16. Slowly getting there 👨✈️👨✈️
As a paramedic, I loved that video ! Well explained also !
Great Video as Always !
Captain joe love your videos respect by a french
dear captain joe. Have you ever had to make an emergency landing?
Great Joe! One of your best.
Joe, This was great! Very informative and a must for all flyers.
Very good
I will be a pilot when I grow up
Great video Joe, as always!
Nice one captian joe...amazing...once a fan always a fan...
@captian joe Where do you get the oxygen mask?
@millygallagher5095
4 жыл бұрын
in pilot training they get one. U can also buy one on amazon.
love from india sir..... U help us a lot. Fab content
do i hear kennedy steve in your intro? keep up the great work, your videos are so factual and entertaining! :)
Outstanding. Joe loved this video. If my kids grow up to be as smart and energetic as you I’d be a happy father.
Everybody say: there is a new season in fortnite Me: captain Joe has a new video!😀
@theovandyck4822
5 жыл бұрын
Jasper Stevens true man
@user-jg1bv4ks3d
5 жыл бұрын
Nice ans truw
@flywithcaptainjoe
5 жыл бұрын
I like you attitude 😉
@user-jg1bv4ks3d
5 жыл бұрын
@@flywithcaptainjoe wait wjo were u talking to?
@user-jg1bv4ks3d
5 жыл бұрын
@@flywithcaptainjoe i ment who were u talking to? Me or the dude of the whole comment
Why was he smiling so much after inhaling from the mask? Was that N²O?
@PrograError
5 жыл бұрын
Probably getting a bit of hypoxia... Incorrect wearing
Thank you so much for the good information about all the system that goes all around the plane. Thank you Captain.
It was very informative video. I want to be an airlinepilot just like you and my dream bird is b787. Its been a while that you started to be my instructor. Always grateful to you joe!
Is the oxygen mask cleaned or replaced after a use or an emergency situation.
@oppotato5440
5 жыл бұрын
Suraj kumar Mondal probably
@toddavis8151
5 жыл бұрын
Suraj kumar Mondal I believe that the system is single use
@Blazer02LS
5 жыл бұрын
The oxygen generators are one time use items. Same with the masks.
@hamburgerquieddje3898
5 жыл бұрын
Suraj kumar Mondal the whole container will be replaced after usage ;)
@YukariAkiyama
5 жыл бұрын
Suraj kumar Mondal I think...
Hello There Captain
Love the voice over it chocked me lmao😂😂😂
Wooow Glad u mentioned mount Kilimanjaro itz in my country love ya captain ,if ur from Tanzania leave a thumbs up ,Joe Big up
Ahhhh, I crashed my 100th plane on x-plane 11 due to flying slow
Hi captain...
Hi Joe, once again a great video! Just one thing: at scuba diving you never ever use oxygen in the bottle, it‘s just compressed (natural) air, about 200bar. 😀
Thanks for another awesome video 🤗,
5:18 NaClO is Sodiumhipoclorit NaClO3 would be clorat.
"There's a minimum of 2 oxygen masks in each lavatory." What would 2 people possibly be doing in the lav at the same time ;)
@einarbolstad8150
5 жыл бұрын
Oh, I don't know, perhaps helping their little child out? But no worries, we all had the same thought. ;-)
@PrograError
5 жыл бұрын
Don't think of the mile high... It's lesser than you think, unless it's one of the stark's party bus back in the day... Or just the business private plane
@caligraphens
5 жыл бұрын
yeah, not many people know that you can change a child's diaper also in lavatory instead of doing this on the table in the cabin
The best channel about aviation! ❤️
Finally ! Thank you Joe love your content !
Could be Duchtpilotgirl voice in oxygen mask briefing
@airflo_muc
5 жыл бұрын
nope, you're wrong :P
@Lirani87
5 жыл бұрын
nope, it's his wife
@Andrea-ot1xw
5 жыл бұрын
@@Lirani87 he's single as long as i know
@siuoleht
5 жыл бұрын
To me it sounds like Carolin from the ‘can a passenger land an airplane’ video but that’s just my thoughts.
I never want to see that mask in a flight while traveling!
I love this video because it is really interesting and helpful even to someone who will stay a passenger their whole life.
Love your videos Joe! Thanks