Quote:
Originally Posted by HwkrPlt
WWYD if the ATIS is reporting freezing rain, its 0*, and nothing is sticking to the airplane cause its nice and warm cause you just pulled it out of the hangar? Coat the airplane in $10k worth of de-ice fluid, or fire her up and go?
Freezing rain? Jet in a heated hangar? 0F?
You get a splash of Type I since you'll get
some precip on the airplane after pulling out, and Type 4 because you're in
freezing rain.
But since you were in a hangar, you won't need dozens if not hundreds of gallons of Type I to get contamination off the airframe prior to applying Type IV.
At my previous job, at home base in a similar circumstances, we would spray Type IV on wings/tail in the heated hangar, load up in the hangar, pull out, fire up and go. Total time from exiting the hangar to wheels-up, maybe 5-6 minutes.
No contamination on the airframe in a heated hangar so no need for Type I...and spraying the Type IV yourself, you could ensure complete coverage on critical surfaces without totally wasting fluid and/or creating a GIGANTIC mess.
Different ways to SAFELY skin this cat...but if the jet is outside covered in frozen stuff, you're gonna need a lot of Type I to get it off regardless.