Questions tagged [icing]

Questions about ice formation on aircraft, which degrades performance.

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14 votes
3 answers
7k views

Why is carburetor heat use discouraged on the ground?

I've been reading my private pilot books for when I start in February and Carb Heat has me stuck in a rut. I feel like I need to have a very solid understanding of this being that I live in a very ...
aaronstran's user avatar
12 votes
2 answers
561 views

Why would a canard wing be more prone to icing than a stabilizer?

Someone said a canard wing is more prone to icing than a stabilizer. If true, what would explain this?
user's user avatar
  • 536
1 vote
1 answer
318 views

What is the process to remove frost off an airliner? [duplicate]

My aunt recently was going on a flight home and she boarded the flight, but her flight was delayed due to frost on the aircraft. She noticed this crane like device above the aircraft wing during the ...
Ethan's user avatar
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3 votes
3 answers
5k views

What common forms of deice and anti-ice exist and what future alternatives are being researched?

For the leading edges of aircraft's flight surfaces, there are a few more common deice and anti-ice methods available. What are the most common systems? What are the alternatives? Is there any ...
ryan1618's user avatar
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6 votes
2 answers
567 views

How to get out of icing conditions asap?

We all know certain weather can cause ice to form on an aircraft, and the danger it poses. Obviously the best way is to avoid flying near these areas in the first place. Let's say I happen to fly ...
kevin's user avatar
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7 votes
2 answers
1k views

Why do some commercial flights start off unpressurized?

In this video, the B738 starts takes off without the plane's pressurization system engaged. The video specifically notes that the craft is being pressurized fairly soon after the takeoff has happened....
Jae Carr's user avatar
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18 votes
3 answers
19k views

How do large airliners de-ice in flight?

How do large airliners de-ice their surfaces in midair? In smaller planes like the ATR or the caravan there are deicing boots as per picture: How is this achieved on bigger aircraft, as there seems ...
Fabrizio Mazzoni's user avatar
13 votes
1 answer
5k views

Where does ice collect first on a wing in flight and why?

I've seen some reports that say ice forms on the back half of the wing and on the outside edge of the wing (the part furthest from the body) before it will form anywhere else. I'm wondering if this ...
Jae Carr's user avatar
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10 votes
6 answers
21k views

Why is full carb heat recommended when reducing power below normal setting?

In my first flight lesson today, my instructor asked me to apply full carburetor heat when we had to reduce power to 1900 RPM in our Cessna 152. I was surprised by this as I didn't remember learning ...
yankeemike's user avatar
18 votes
2 answers
8k views

Is freezing of windows normal in airlines?

Recently I was flying on an Airbus A320. While cruising around 37,000 feet, I noticed half of the glass on the window had frozen. But it was a thin layer of ice. Was it anything to be concerned about?...
Firee's user avatar
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2 votes
2 answers
5k views

How does induction ice form in and affect jet engines?

Recently someone talked to me about the possibility of induction ice on the engine: He told me that because of conditions around fan and compressor blades (mainly because of pressure and temperature) ...
Kromen's user avatar
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5 votes
1 answer
711 views

Are aircraft with counter-rotating props or Down Between Engines less likely to develop asymmetric icing?

It is suggested by some (and somewhat substantiated) that twin-engine propeller aircraft which do not have counter-rotating props (all modern regional turboprops are this way) can develop asymmetric ...
UnrecognizedFallingObject's user avatar
15 votes
2 answers
3k views

Is there any disadvantage to having the de-icing system on?

I was watching Mayday S11E02 about West Caribbean airways flight 708 and the pilots turned off the de-icing system partway through the flight. It's not why it crashed, but I was curious as to if there ...
ptgflyer's user avatar
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14 votes
3 answers
6k views

Why doesn't frost form on a moving airplane?

When I was a young student pilot, long before the FAA prohibition on polished frost went into effect, an instructor left a six-inch square of frost on the wing to demonstrate how fast it would ...
Steve V.'s user avatar
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9 votes
2 answers
2k views

Will an aircraft always crash on take-off if de-icing is not performed correctly?

I recognise the Daily Mail's propensity to adulterate and colour news, but are these user comments about the UAL951 flight on 29 Dec 2014 correct? The Daily Mail claims: A United Airlines plane ...
user avatar
8 votes
2 answers
2k views

Is on-board equipment for in-flight de-icing also used on the ground?

Aircraft operating in icy conditions are equipped with de-icing equipment to remove ice from specific parts of the aircraft (wing, sensors,...) in flight. When there is snow or icy conditions while ...
Manu H's user avatar
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17 votes
4 answers
8k views

What would happen to a flying aeroplane if there's suddenly a brick-size hailstorm?

What would happen to a flying aeroplane if suddenly there is hail in the sky? For example, ice the size of a brick.
AmitG's user avatar
  • 403
19 votes
1 answer
1k views

Is it legal to take off with an iced windscreen?

Looking at this video on Youtube, I'm wondering if it is actually legal to take off with a windscreen iced like that? For VFR this is a no go, but what about IFR and under what conditions?
Krumelur's user avatar
  • 1,361
14 votes
2 answers
6k views

Why do only some aircraft require tail anti-icing?

Why do some aircraft require anti-icing on the tail while others (Dassault Falcon Jets, Boeing 737, 747, etc.) don't?
Falconpilot's user avatar
16 votes
4 answers
14k views

How do you handle frost on a plane?

If you plan to fly on a cold morning and there is frost on the plane, what needs to be done? Do you have to remove the frost from the windows? wings? tail? fuselage? How should you remove a thick ...
xpda's user avatar
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