X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 29 Nov 2008 19:51:10 -0500 Message-ID: X-Original-Return-Path: Received: from imo-d23.mx.aol.com ([205.188.139.137] verified) by logan.com (CommuniGate Pro SMTP 5.2.10) with ESMTP id 3321863 for lml@lancaironline.net; Fri, 28 Nov 2008 19:30:05 -0500 Received: from Sky2high@aol.com by imo-d23.mx.aol.com (mail_out_v39.1.) id q.be1.4a0d2bed (65099) for ; Fri, 28 Nov 2008 19:30:01 -0500 (EST) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Fri, 28 Nov 2008 19:30:00 EST Subject: Re: [LML] Re: 360s at high altitudes X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1227918600" X-Mailer: AOL 9.1 sub 5000 X-Spam-Flag:NO -------------------------------1227918600 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit I use known ice to ameliorate the numbing effect of Tanqueray gin. No other use is allowed. Grayhawk In a message dated 11/28/2008 2:25:39 P.M. Central Standard Time, gt_phantom@hotmail.com writes: Yup, it is more complicated than just a simple layer some days - thus my admonition to get a COMPLETE weather briefing. I thought it was important to say it because some in our crowd DON'T have the background of flying in known icing aircraft, or in aircraft where when you are picking up a little ice you just light the burners and climb... The big thing is not to get lulled into thinking icing happens at a particular altitude. That will get you in a world of hurt if you suddenly fly in different weather. Happy Thanksgiving All! Bill Bill this is usually true, until you have an inversion [warm air aloft].. I've done the same trip you mention, hit the clouds and loaded up real fast.. I fly a known ice a/c so it wasn't a big deal [it was also forecast] but if your not expecting it.. It would have made for a fun 'return to departure airport' proceedure, if one couldn't climb out of it or through it quickly. Ice will also sublimate off the airframe once in the clear.. it's amazing to watch it disappear while flying in below freezing conditions.. as long as you can get out of it quickly or are able to fly in it and remove it faster than it's accumulating, you should be ok.. FWIW Jarrett Johnson 235/320 55% -----Original Message----- From: H & J Johnson [mailto:hjjohnson@sasktel.net] Sent: Wednesday, November 26, 2008 19:02 To: lml@lancaironline.net Subject: Re: [LML] Re: 360s at high altitudes > Lorn, > > Just a comment about your icing comment - the altitude at which you > fly is not really the issue, it is the temperature. Once the > temperature is more than approximately 20 degrees below freezing, > icing is not generally an issue. > > Thus, in the South in summertime you might fly at 17,500' and still be > below icing levels, while in the North in wintertime you may already > be aboveicing levels at takeoff (hope your heater is working well and > you have sealed all those pesky air leaks!). I have taken off in > Northern Indiana on a solidly overcast day when the surface > temperature was 20 degrees and the ceiling was at 5,000' with no fear > whatever of icing. Punched out at 10,000' into beautiful (but cold!) > air with not a hint of ice anywhere. > Conditions may vary! Always be sure to get a COMPLETE weather > briefingbefore flying into any visible moisture! > > Cheers, > > Bill -- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html **************Life should be easier. So should your homepage. Try the NEW AOL.com. (http://www.aol.com/?optin=new-dp&icid=aolcom40vanity&ncid=emlcntaolcom00000002) -------------------------------1227918600 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
I use known ice to ameliorate the numbing effect of Tanqueray=20 gin.  No other use is allowed.
 
Grayhawk
 
In a message dated 11/28/2008 2:25:39 P.M. Central Standard Time,=20 gt_phantom@hotmail.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>Yup, it=20 is more complicated than just a simple layer some days - thus my
admoni= tion=20 to get a COMPLETE weather briefing.

I thought it was important to s= ay=20 it because some in our crowd DON'T have
the background of flying in kno= wn=20 icing aircraft, or in aircraft where when
you are picking up a little i= ce=20 you just light the burners and climb...

The big thing is not to get= =20 lulled into thinking icing happens at a
particular altitude.  That= =20 will get you in a world of hurt if you suddenly
fly in different=20 weather.

Happy Thanksgiving All!

Bill


Bill this i= s=20 usually true, until you have an inversion [warm air aloft]..
I've done=20= the=20 same trip you mention, hit the clouds and loaded up real
fast.. I fly a= =20 known ice a/c so it wasn't a big deal [it was also forecast]
but if you= r=20 not expecting it.. It would have made for a fun 'return to
departure=20 airport' proceedure, if one couldn't climb out of it or through=20 it
quickly.  Ice will also sublimate off the airframe once in the=20 clear.. it's
amazing to watch it disappear while flying in below freezi= ng=20 conditions..
as long as you can get out of it quickly or are able to fl= y in=20 it and remove
it faster than it's accumulating, you should be=20 ok..

FWIW

Jarrett Johnson
235/320 55%

-----Origina= l=20 Message-----
From: H & J Johnson [mailto:hjjohnson@sasktel.net]=20
Sent: Wednesday, November 26, 2008 19:02
To:=20 lml@lancaironline.net
Subject: Re: [LML] Re: 360s at high=20 altitudes

> Lorn,
>
> Just a comment about your ici= ng=20 comment - the altitude at which you
> fly is not really the issue,=20= it=20 is the temperature.  Once the
> temperature is more than=20 approximately 20 degrees below freezing,
> icing is not generally a= n=20 issue.
>
> Thus, in the South in summertime you might fly at=20 17,500' and still be
> below icing levels, while in the North in=20 wintertime you may already
> be aboveicing levels at takeoff (hope=20= your=20 heater is working well and
> you have sealed all those pesky air=20 leaks!).  I have taken off in
> Northern Indiana on a solidly=20 overcast day when the surface
> temperature was 20 degrees and the=20 ceiling was at 5,000' with no fear
> whatever of icing.  Punch= ed=20 out at 10,000' into beautiful (but cold!)
> air with not a hint of=20= ice=20 anywhere.
> Conditions may vary!  Always be sure to get a COMPL= ETE=20 weather
> briefingbefore flying into any visible moisture!
>=20
> Cheers,
>
> Bill




--
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=



Life should be easier. So should your= homepage. Try the NEW AOL.com.
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