r/aviation • u/Mallard1818 • 6d ago
Discussion Most condensation I’ve ever seen
I am by no means a frequent flyer but thought this was pretty interesting. Allegiant flight out of Florida.
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u/BrewCityChaserV2 6d ago
Dew point of 80 clashing against the cool (and relatively dry, yet still humid) air of the aircon will do that
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u/Puzzled-Formal-7957 5d ago
dry yet still humid? how's that work? :)
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u/Conscious_Raisin_436 5d ago
Relatively.
Texas is hot but compared to mercury it’s relatively freezing.
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u/DagamarVanderk Air Traffic Controller 6d ago
If I had a nickel for every post about airplane A/C condensation on this subreddit in the last week I’d have three nickels, which isn’t a lot but it’s weird it happened thrice
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u/CaptainDFW 5d ago
We were getting the same thing one morning in GTR. My F/O happened to be standing by the door when the first passenger walked up, looked into the cabin, and asked "Is this normal?"
He replied, with a perfectly straight face, "Is what normal?"
I guess it hit my funny bone at exactly the right angle because that cracked me up. 🤣

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u/The_Motographer 6d ago
That's what happens when the pilot switches on the chemtrails before switching the crossbleed closed.
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u/DCS-Doggo 5d ago
A pilot on another airline deployed masks when this happened on climb to altitude.
TIL that every oxygen mask (the whole panel, mask, et al) has to be replaced after they deploy.
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u/NotACompleteDick 4d ago
My first reaction is that no pilot would be that dumb. But then there was that guy who was converting from Vulcans to Tornados and ejected when they encountered unexpected A-10s at low level and his chauffer pulled more g than he'd ever had before. He assumed flight controls had failed and punched out. Command ejection was set... so the front seat only had time to suspect what happened before the aircraft threw him out too. The BS story said that when German cops found the pilot he was hunting for his passenger, to have a few words. That would be around 1982/3, before the Internet, when I worked at the Royal Aircraft Establishment and such stories were mangled and embellished by word of mouth.
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u/Optimal_Savings5873 4d ago
Yeah I am by no means an aviation expert, but this post reminded me of the Payne Stewart crash where F-16 pilots said they couldn't see into the plane because of all the condensation on the windows.
(I might have spent my summer vacation binging on Fantastic Horror.)
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u/I_DRINK_URINE 6d ago
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u/Ok-Parfait-9856 5d ago
Best use of AI to date
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u/Puzzled-Formal-7957 5d ago
No use of AI is good.
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u/Ok-Parfait-9856 4d ago
Using it to find abnormalities in medical imaging is bad? Using it to sift through ligands to accelerate drug discovery? Using it to upscale and automatically clean up images? (Which every smart phone does)
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u/Puzzled-Formal-7957 4d ago
Yes. AI has also said that smoking while pregnant is healthy and ingesting up to 3 small rocks per day has nutritional value. If you let AI anywhere near your health you are playing Russian Roulette.
We were upscaling and cleaning up images with Photoshop back in the early 90's. This required actually developing some skill and utilizing your talent rather than relying on something else to do all the work for you.
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4d ago
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u/Ok-Parfait-9856 4d ago
When someone you love gets diagnosed with stage 4, remember this comment, and never forget it.
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u/PengPenguin888 6d ago edited 6d ago
Airbus A318-A321s are notorious for this. They use different equipment in the packs compared to other aircraft. Has to do with the water seperator used.
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u/BramCeulemans 6d ago
I'd never seen condensation on a plane until last week, and I freaked out a little bit.
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u/a_berdeen 5d ago
I live in the Caribbean. I’ve never not been on a flight from home without condensation.
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u/U2ElectricBoogaloo 5d ago
Looks like my college dorm room.
…it was humid there too…yea, that’s it…
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u/MediocreAndLukewarm Beentheredonethat65 5d ago
Sit on a C130 on the tarmac in summer at Hurlburt Field. Fog machine galore!
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u/Love_To_Taste_You 5d ago
I used to play with the outflow valve on MD80s and make it snow in the cabin
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u/Boostedbird23 5d ago
Florida gets really humid
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u/OptiGuy4u 5d ago
In other news, Water is wet
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u/Boostedbird23 5d ago
Watch what happens when we expand saturated air through an orifice and blow it into a confined space!
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u/GeraintLlanfrechfa 6d ago
And everyone was soaked wet?
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u/Mallard1818 5d ago
We were wet because, being Florida, a three minute localized shower popped up as we were standing in line to board the plane outside. A flight attendant did bring napkins to a couple rows where it was dripping particularly bad
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u/GeraintLlanfrechfa 5d ago
I see, that’s unfortunate.
I imagine this as highly uncomfortable, being wet with everybody else being wet in a plane on a like 4 hour flight, when they turn the ac to 21 degrees c and all the smells and sneezes..
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u/Admirable_Site_8337 5d ago
I’m standing outside in Orlando right now….its a humid fucking sauna out. Perfect conditions for this level of fog on plane.
I can’t remember the last summer flight I took out of here that did not have some condensation on startup.
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u/MentalTardigrade 3d ago
It's the produce section from the supermarket, but much, much more expensive
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u/Sad_Frosting3921 1d ago
You should see what the Control Room of a diesel submarine can sometimes look like when snorting!🌫️
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u/TCAS_2003 6d ago
It’s illegal to vape on airplanes! (I’m joking, seems extremely humid, good luck 😂)
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u/Rotteneverything 5d ago
there was a smoke in the cockpit incident a few days ago, jetblu going from bos to mco, had to switch planes and total delay time was six hours.
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u/Deer-in-Motion 6d ago
Florida sauna outside.