De-Icing Fluid in the APU cause for Emergency Landing

Ralgha said:
Shutting back down for deicing after moving to the pad (most outstations have us move at least a little bit if they have any concern for their passengers at all) is a total waste of time. It used to be specified that deicing was done with the engines running and props feathered unless type IV was planned or they were using a tower instead of a truck.

I've had the APU killed a couple times by the deice truck firing a shot into the intake. It always started back up fine, the Brasilia is a resilient old bird. It'll still be trucking when the last CRJ200 bites the dust.
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Third world engineering FTW.

I've never had the station move us for de-icing (haven't done SLC yet). They usually just spray us off after we're all boarded and closed up, so there's no incentive to spin an engine anyway.
 
Autothrust Blue said:
Uh...I have bad news for you. Most of our outstations have a lift that'll let them get at the tail, but they're out there doing the de-icing without an enclosed cab.
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In an enclosed box or a cherry picker bucket makes no difference in relation to the content of my post.
 
Man I wish I could say that. Thanks to DTW and MSP, I think I've deiced more this year than I have in my past 14 years combined.
 
JordanD said:
I get that glycol in an APU is bad juju, but is there anyone that can explain the physics of why the blades trying to compress the fluid does such bad things? I've heard my share of them where you could tell they'd been sprayed. Most obnoxious sound on earth.
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Air is compressible but deice fluid is not, APUs dont like that
 
On the E145, if you hate your FA, don't call her before getting deiced, and watch how fast she craps in your coffee...
 
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