Snow in LAS and no deicing????

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02-18-2019, 01:12 PM

#21

CoefficientX

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Posts: 428

Quote:

Originally Posted by Name User

Also you can argue the application of the word "adhere" as well. Does that mean quite literally it cannot be brushed off? You can brush frost off...so technically it's not adhering.

Incorrect. You absolutely cannot make the argument that frost is not adhering. Good luck winning that argument anywhere. Frost forms on a wing, snow falls on a wing.

I live in Minnesota, I know a thing or two about frost and snow.

02-18-2019, 01:42 PM

#22

MySaabStory

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Posts: 151

Quote:

Originally Posted by CoefficientX

I live in Minnesota, I know a thing or two about frost and snow.

Well I stayed in a Holiday Inn last night in Minnesota... so technically I know more than you.

02-18-2019, 02:16 PM

#23

Packrat

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Position: 7th green

Posts: 4,378

Quote:

Originally Posted by tomgoodman

MadDog F/Os used to wave a magic wand over the wing if any frost was lurking there. It had no effect on the frost, but soothed any CPs who were watching.

Actually, the wand was to detect clear ice, not frost. You could still feel the test strips through frost. That program went away with wing blankets. Now if they're DMI'd….

02-18-2019, 04:54 PM

#24

Qotsaautopilot

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Doesn’t matter what it is. If it’s not adhering then we are LEGAL to go at my shop. They give examples of representative surfaces to judge adhearence

02-18-2019, 07:00 PM

#25

PhantomHawk

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Joined APC: Oct 2017

Posts: 848

Quote:

Originally Posted by Qotsaautopilot

Doesn’t matter what it is. If it’s not adhering then we are LEGAL to go at my shop. They give examples of representative surfaces to judge adhearence

You charge your pax extra for de-icing, don’t you?

02-18-2019, 07:36 PM

#26

DENpilot

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Posts: 1,006

Quote:

Originally Posted by Gary et al

The item Senior Chavez didn't mention is that the temp in LAS was reported at +3 C most of this time and +2 for a short time. He's trying to start stuff just like when he became irate for a Frontier pilot sending a letter to his home suggesting he vote no on the recently voted in contract. For this "harrasment" he contacted the Denver police.

Not to stick up for obvious troll, but assuming this isn't a troll post, I hope you don't rely on OAT as an indicator of icing conditions. Snow can adhere to surfaces in above freezing temps. The same applies to frost. Frost can form in air temps over freezing.

That said, who the hell wants to be featured on national news rolling down the runway under snowy conditions???

If it were not for the 100+ camera phones residing in the cabin behind me, I would agree with you.

02-18-2019, 08:23 PM

#27

ShyGuy

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Quote:

Originally Posted by Qotsaautopilot

Doesn’t matter what it is. If it’s not adhering then we are LEGAL to go at my shop. They give examples of representative surfaces to judge adhearence

How would you know if the snow on top of your wings was adhering?

02-19-2019, 04:40 AM

#28

Broncofan

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Quote:

Originally Posted by Qotsaautopilot

Doesn’t matter what it is. If it’s not adhering then we are LEGAL to go at my shop. They give examples of representative surfaces to judge adhearence

I dont understand why you wouldn't just take the time to de ice if its snowing outside. It's a conservative decision that will keep you out of trouble and it gets you paid more to sit their for a few more minutes. I cant think of one person who got in trouble or had an accident because they went to de icing.

02-19-2019, 04:44 AM

#29

sailingfun

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Posts: 19,273

Quote:

Originally Posted by ShyGuy

How would you know if the snow on top of your wings was adhering?

If it’s sitting on your wing the FAA considers it adhering. The wing needs to be clean when you add takeoff power. There is no way from inside the aircraft to determine what the snow will do on takeoff roll. The wing has way to many temperature differentials with the fuel tanks.