How does a windsock work? Answer by CAPTAIN JOE
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Dear friends and followers, today I´ll be answering a recently asked question, what is a windsock and how does it work.
A windsock is a conical shape textile tube (which resembles a giant sock, hence its name) designed to indicate wind direction and relative wind speed.
It is normally placed next to the runway or a helipad, so that pilots can clearly see it after lining up on the runway or coming in for landing. It´s also indicated on most airport ground charts with this little symbol.
During night operation it is well lit either from the ground or lamps installed within the sock.
It´s general purpose is to give pilots a quick reference as to where the wind is coming from and the approximate speed. Before accelerating for take-off you take a quick glance at it, so you can give the necessary rudder inputs whilst rolling down the runway.
To determine the wind direction you look at your compass, check your heading, and then estimate the pointing angle of the windsock relative to your heading.
The wind direction is the opposite of the direction in which the windsock is pointing. Which means, if we had a wind blowing from the west at 270 degrees and 10 knots, the windsock would point towards heading east, cause of the direction it is blowing in. I´ll show you this in a example.
But why does the sock have red and white rings ?
They are there to measure the wind velocity. Each ring indicates 5 knots of wind. So as we look at this video here, we have one,two rings fully blown up, and the last three are slightly tilted downwards, so that sums up to 2 rings times 5 knots, respectively windspeed of 10 knots. But at the same time you can see that the sock sometimes is fully blown up and flapping about, so you could expect some gusts as well. In the background I can see the runway, knowing it´s heading of 260 degrees I assume that the sock is pretty parallel to it, so guess the wind direction will be approximately 260 degrees. So let´s take a look at the ATIS read out. So not to bad what we´ve estimated, 260 degrees 10knots and gust, and if you compare that to the ATIS read out we got there fairly close. Again, a windsock is only for a quick reference, if you want a proper wind information you would have to listen to the ATIS or ask tower control.
So you can see, they are fairly easy to interpret and a great help to get a quick wind information. They are easy to install and cheap to maintain. It is required by flight regulations that even the smallest airport has at least one visible windsock.
I hope you enjoyed this video and I´ve answered another aviation related question for you. So give me a thumbs up, subscribe my channel, and if you have further questions don´t hesitate to comment below.
Thanks for watching and see you next time
Your captain Joe
Look out for the wind sock the next your sitting in your passengers seat. You will most probably see them as we taxi towards the runway. - วิทยาศาสตร์และเทคโนโลยี
As an aviation enthusiast, I always love watching your soothing and informative videos, cheers from Morocco!
Thank you very much, appreciate your kind words especially coming from Monaco. I´m wanting to come down to watch the F1 race this year :) Any good advice on were to stay ? Greetings Joe
He`s from Morocco ;-) But F1 in Monaco - good idea :-) the best one to see.
Thanks capt! I was thought the red-white segments just for visibility purpose
+Ari Wibowo Happy to know I was able to teach you something new :)
Ari Wibowo me too!
Same here lol
Thanks. I didn’t know how to use them to estimate wind speeds. For direction I look to see where the “mouth” of the sock is facing rather than the smaller “anus”.😉Cuts down on the math.
SAME
I love watching your videos. You are very relaxing to listen to. I hate flying, but I'd be much more at ease knowing you were in the cockpit!
do some research on how to become a pilot.. maybe it would give you more ease looking at how much is required to pass the test to become a pilot
Your demonstration is perfect
Thank you very much, means a lot to me :) Greetings Joe
+Captain Joe OMG you replied thank you!
Captain Joe please send me your email address
Ive always wondered about the separate lines of red and white and figured it had something to do with wind speed.
Thank you very much for clarifying it for me. No more wondering now😉
I stumbled across your channel and I'm so glad did. I had a job that required me to fly 20k miles a month and you answering so many question I had. Thank you
"One visible windsock" must be very hard for most Germans to say.
Not at all. Wonder why you're assuming.
Not at all
Thanks for the heads up! It is worth to watch your videos, I really appreciate your job
So informative as always :) Thanks Captain
Thanks Captain Joe I was experiencing difficulty understanding how it works and as a student pilot which runway to use. Your video was very helpful.
All of your videos are great. Good job Captain Joe.
Danke das so ein netter pilot sich zeit nimmt uns richtig geile videos hochzustellen! Deine videos sind richtig geil
+mdk h Freut mich zu lesen, danke für das Feedback!
something about your videos just make it so enjoyable to watch.
Thanks. My second grade class was talking about wind socks today. I am going to show them this video tomorrow.
Thanks Capt Joe. Now I know why windsocks have 2 colours hehe
Explained very simply !! Thank you sir
Captain Joe is the best, such a good teacher.
I was taught by my dad that a windsock should be thought of like a trumpet, and that when you’re taking off or landing the airplane, imagine you’re being “blown out of the windsock.” Its easy then to remember which direction the windsock is telling you to point the airplane.
Hey joe watching your old videos.. you have improved a great deal now. Your delivery is very good now and videos have more info and speed. Thumbs up man. Keep it up. I wait for your new videos. :-)
How does this guy have time to edit, make and post videos WHILE being a pilot ?!?! You're amazing!!
Gaming Cupcake because you get loads of free time if you are a pilot (mandatory rest).
always informative video. thanks Capt!!!!
So wie Du erklärst, ist das gut verständlich für fast alle Zuschauer! Sehr gut!
Amazing work Captain Joe !!!
+Abdullah Alessa Thanks, appreciate your comment :) Greetings Joe
Thanks capt. Cheers from Brazil!
My flight instructors always taught me 'just remember- eat the carrot', meaning you visualize the windsock as a carrot pointing most closely to the runway most suitable for use, and you then you land towards it as you would eat a carrot pointy end first. (If you're the kind of person who eats carrots stub end first...subtract 180!). Your content is great, I'm glad I found you!
All your videos are really informative and inspiring captain
very nice explanation, 10x;loud and clear cpt !
thank captain I used to watch your videos and I like them so much
THat's really useful thanks. I have just bought one
Great Explanation Joe! 👍👍
Joe can you make a video about how do you prepare before flight (cockpit view)
Very nice video captain. Now we can understand the meaning of Windsacks.
Here in the western US, in addition to airports, we occasionally see a windsock along major highways where strong cross winds are common to help big trucks know what to expect.
Captain Joe fantastic as usual!!!!!
thank you. ive learned something new today! :D
Hey! a big fan of your's here!
Can you explain about airport management and its support in a successful flight?
Many aviation fans will be enlightened about this lesser know support system
cheers!
Thanks captain for the explanation... My 7 years old son was asking me about windsock... So just came here and saw ur video... Thanks for the detailed info...
thank you so much for the info...🥰
Love this video! 😇🛫
Great explanation of the windsock. I think most people know to fly into a headwind, (so fly into the tail of the windsock, not the nose), but I doubt everyone knows that the stripes equal 5 knots. At my home airport, the windsock is solid orange (an uncontrolled airport -- no tower) so we had to guess at the wind speed most of the time, and due to mountains on downwind, then flat on base, then ocean to flat on final, then a hill opposite the center of the runway, crabbing in was the norm. The sock could be straight out at runway entry and then at 90 degrees at the center of the runway, so you really needed to get ready to crab or slip in with plenty of rudder/aileron control. And sudden gusts could change things rapidly! (One time, I was about 10' off the runway when a gust nearly blew me off the runway and into a barb-wire fence and I instantly had to power up and go around! Wind shear!)
Supper Informativ so wie immer 😉
Your videos are very interesting, i love watching, greetings from Austria (LOWS) 😊
But captain I saw on Google it was showing that every block of wind sock shows a wind speed of 3 knots and a total of 15 knots ....
please help me out
Thanks
Sahil Khubber
I read the same thing. And fully extended windcone is 15 knots not 25 knots 😐🤔
You're right, it's not 25kts, it's 15
Thank you so much that really helped. I'm currently doing flight training and could u maybe do a video about the radio procedures, cheers😁
Captain Joe thanks a lot. I'm lucky you're my instructor 😍
Windsocks are brilliant inventions.
Dank je!
this is gona be my ultimate party trick! me as a stoner at any party, i will randomly tell ppl how a windsock works! watch me get all the ladies!
Wow! Sehr gute und klare Erklärung! Freue mich schon auf weitere Videos dieser Art :)
+FSEDDH Danke :)
Joe, can u explain puRpose of TAIL CONE ?
I've always wandered which way round the wind was measured! thanks for making that extremely clear :)
Moreover, I didn't know the bans are used to measure the wind speed!
Subscribed.
how is that not obvious and intuitive...?
Very informative video! This question is from a young student who just watched your video: What happens if wind is blowing faster than the windsock can measure? Why are wind speeds above 25 knots not measured?
very nice personality and smile.
fantastic explanation
ThankYou ,Sr
thanks captain~
I always enjoy your video....your explanation is very good....✈
thank you :)
Thanks
Your chuckle is worth a million dollars....
Excellent
Thanks captain marvelous
When i first saw this video listed, I thought - "What a silly question!" I am glad that I watched it any way because up until now I always thought the colored bands were for aiding in visibility. "Well color me stupid!" Never had a clue about estimating wind speed! Thank you Captain Joe. Keep answering what may seem to be trivial questions!
great video Joe
Thanks for this video. could you please explain about plane wing what role does each part play. thanks in advance.
Hi Cap'n, I am a new subscriber. Can you tell me more about landing in a crosswind and those last minute skillful adjustments needed.
Looked like the hat in Dr. Seuss' Sneetches 🤣. I came here because of a helicopter toppling over and Gear74 mentioned those windsocks.
great video now I know how to pick a runway after listing awas
Great ans .... captain JOE
Joe richtig starkes Video! mit den roten und weißen Ringen wusste ich noch nicht:) kannst du auch mal ein Video über VOR Anflüge machen?
+Moritz Nie Ja kann ich gerne Mal machen, wird aber noch eine Weile dauern.
Thank you sir ! for your explanation of wind sock so which direction a helicopter would land relating to the direction of wind sock??
Nice explanation
Great video
great
Could you please make a video about headwind and tailwind and how they help and obstruct flight time.
wa...knowledge ful video..i like this.
Hello, captain Joe! Thank you for videos - its for people, who loves aviation, but haven't professional relations with it. Also i have questions for you and other subscribers: Its about turboprop planes, suppose you familiar with they as well. Some planes as Fokker 27 or Antonov 12-24 series starts engines with normal flight or taxi prop position. But some turboprops as Beach King, ATR72, Dash8 series - starts props in feathering position and then - convert them into normal mode for taxi. Why they do that? In feathering rotation air drag force is bigger then normal rotation... What reason for it? Its good to faster reduce rotation after shut down, but on start up... Best regards! And developing in video producing!!!
Great explanaition sir. By the way I am 150,000th view in your video.
Good explanation of the function of a windsock! Thanks!
In the United States the windsocks should meet the guidelines of FAA AC No: 150/5345-27E Specifications for wind cone assemblies.
They should move when the wind is at least 3 knots and fully extend at or above 15 knots. I recall reading in other sources that the segments are 3 kts. each, but do not find that in the AC. Does anyone have a source document for the segments measuring 3 kts each; I can not locate the one I recall reading? Thank you.
Hey cap. Joe how do we make a perfect landing when there are crosswinds blowing
my guy came in clutch
Great video 👌👍
Hello Captain Joe!
In this part, In the background I can see the runway, knowing it´s heading of 260 degrees I assume that the sock is pretty parallel to it, so guess the wind direction will be approximately 260 degrees, that you mention about 260 degree. Is it azimuth? The side close to the west side?
hi Captain, would you do a video on how trims work?
Hi Joe, great videos! I am a student GA pilot and also a miniature/model aircraft pilot. What about fully orange coloured wind socks? I take it you would apply the same rules to those too? Thanks, Rory.
Hello Capt Joe,
Excellent information never knew d actual use .
Can u make a video on Airline Pilot logbook? How to fill one and who does it ?
How do you calculate ur log time?
Best Regards
India
+Travel-O-Graphy Hey Buddy! Sure I will take care of that !
very informative.
+Jo Bowser Thanks :)
Hai sir, can you explain about the runway build up . why they are build up the runway south and north possition, is it true or wrong
Hi Joe, Please the segments circle should be in pairs?
very simple and informative. thanx. my question is how windsock each segment (colored portion) is calibrated to represent 5 knots? mean what is the calculation behind due to which each segment correspond to 5 knots? regards
Nice one Captain (actually first officer) Joe.👍👍
Nice explanation! What is the background music called?
Hey Captain Joe
what maintenance is done on a plane every flight??
hi captain joe can you explain to me wat is a standard go around is thanks Derek form Dublin.
Hello Captain Joe, not sure if you did this one before, but could you please explain the sometimes very noisy and insanely fast turning trim wheels in the middle of the instrument cluster? I heard on some planes there is a handle on the side of those which could smack a pilot's knee if it is not retracted. Does not sound very safe.
Hey captain, I'm a cadet pilot and I love your channel, one thing is bugging me at the moment. Pilots sit on either side of the centre beam in the cockpit, how do you align the centre beam with the runway centre line on finals when you are sitting at an angle. DA20's are easy as they are small, but what about the A320 especially during a visual approach?
Love your channel! It has been very informative, entertaining, and has helped drive me to become a pilot. I’m saving up for Flight School in January (4 months).
Any advice for an inspiring pilot? Ways to save, earn scholarships, and get to flight school in the most economical way possible? I’m in the States and find it to be about $80,000 to go from zero time to CFI.
Does the heading that is given when wind direction is given symbolise the direction the wind is coming from or the direction the wind is blowing in?
hi captain Joe. could you please explain why plane sound can't be heard in the night time. usually while passing from a village.
can you please do a vidéo of the speaking with the tower
+Hugo Montefusco It´s on the list! Thanks for your input
Why doesn't clouds get sucked into the aircraft engine during flight? If a fully-grown man can get sucked into the engine, are clouds that heavy?
why chopper land agent the wind not with the wind? is that same procedure is applicable for flights too?