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Frost Build Up Inside An Airplane..  
User currently offlineSlashd0t From Canada, joined Dec 2002, 221 posts, RR: 0
Posted (8 years 8 months 2 weeks 4 days 13 hours ago) and read 3679 times:

In October I flew a WestJet 737NG from YEG-CUN and I noticed as I got close to the Gulf of Mexico that my leg was FREEZING. I looked down and noticed that there was a considerable build up of frost all down the side of the plane below the window to the floor. I wasn't really concerned, but, it was terrible annoying as we decended and it melted all over my pants  Silly Anyone here know why this happened? I fly bi-weekly and have never experienced this on a flight before. Could it have something to due to our cruising @ FL430?


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8 replies: All unread, jump to last
 
User currently offlinePilotpip From United States of America, joined Sep 2003, 3139 posts, RR: 11
Reply 1, posted (8 years 8 months 2 weeks 4 days 11 hours ago) and read 3656 times:

The air on the ground this time of year is hot and humid, the air up high is very cold and dry. It was likely moisture that was in the air which cooled, condensed, and froze on the wall. It's very common here at STL to see aircraft fog windows fog up within seconds of opening the door here and water dripping off the bottom of the wing because of the extremes in temperature between the surface and altitude.


DMI
User currently offlineHAWK21M From India, joined Jan 2001, 31580 posts, RR: 57
Reply 2, posted (8 years 8 months 2 weeks 4 days 9 hours ago) and read 3624 times:

I feel the Insulation Blankets in the Area between the Inner Skin & Sidewall panel has drifted out of place/Not installed.
Was it only at your location or all along the Side for the Other Pax too.,
regds
MEL



Think of the brighter side!
User currently offlineSlashd0t From Canada, joined Dec 2002, 221 posts, RR: 0
Reply 3, posted (8 years 8 months 2 weeks 4 days 3 hours ago) and read 3598 times:

Quoting HAWK21M (Reply 2):
I feel the Insulation Blankets in the Area between the Inner Skin & Sidewall panel has drifted out of place/Not installed.
Was it only at your location or all along the Side for the Other Pax too.,

I looked around and only saw it on my side.



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User currently offlineFutureUApilot From United States of America, joined May 2004, 1365 posts, RR: 4
Reply 4, posted (8 years 8 months 2 weeks 4 days 2 hours ago) and read 3564 times:

Sounds like some horror movie too me!

"Frost overtakes the aircraft as the cabin lights go dead. Who know's what is lurking through the aircraft..."

I think we have a new movie idea!

-Sam



The Pilot is the highest form of life on Earth!
User currently offlineHAWK21M From India, joined Jan 2001, 31580 posts, RR: 57
Reply 5, posted (8 years 8 months 2 weeks 4 days 2 hours ago) and read 3577 times:

Quoting Slashd0t (Reply 3):
I looked around and only saw it on my side.

Def According to me looks like your Insulation blankets have drifted out of place during Mx work.
regds
MEL



Think of the brighter side!
User currently offlineLH648 From Kazakhstan, joined Sep 2006, 570 posts, RR: 0
Reply 6, posted (6 years 9 months 5 days 7 hours ago) and read 3133 times:

I expereinced it sometimes in Tu154 sitting next to emergency exit. With one difference - the frost build up up from the exit and it was raining during descent  Smile

Once I've asked flight atendant for umbrella, but she said that they don't have them  Smile



313/319/320/321/332/333/343/380/AN4/A30/AR8/733/734/735/737/738/752/762/763/772/B15/ILW/TU5/YK4/CR2/M90/PA1
User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 9
Reply 7, posted (6 years 9 months 5 days 2 hours ago) and read 3107 times:

At cruase altitude is could outside and warm inside so it is natural for frost to build up on the inside of the fuselage skin. If an installation blanket was missing frost could build up on the sidewall or its possible that an air conditioning duct runs up the sidewall at that location and it was the source of the could air. The fuselage has drain holes in in the bulge area that lets the frost (water) drain out after it melts on the ground or at lower altitudes.

User currently offlineHAWK21M From India, joined Jan 2001, 31580 posts, RR: 57
Reply 8, posted (6 years 9 months 4 days 9 hours ago) and read 3030 times:

Quoting LH648 (Reply 6):
expereinced it sometimes in Tu154 sitting next to emergency exit. With one difference - the frost build up up from the exit and it was raining during descent

Thats an old thread being brought back  Smile
Insulation blankets drifted out of position during Mx work can cause this senario.Does the EE on a Tu154 not have Area heaters.
regds
MEL



Think of the brighter side!
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