Re: FAR 91.157 Operating in icing conditions

Icebound wrote:
> Matthew S. Whiting wrote:
>
> > O. Sami Saydjari wrote:
> >
> > > ...snip...
> > >
> > > It says "...no pilot may fly--
> > > (1) Under IFR into konwn or forecast moderate icing conditions; or
> > > (2) Under VFR into known light or moderate icing conditions..."
> > >
> > > This seems odd.  Why do you suppose the standards are different for 
> > > IFR and VFR ("moderate" vs "light or moderate)?  Icing affects a 
> > > pilots ability to control the aircraft, so I do not see how 
> > > instrument training allows one to venture into worse conditions.
> >
> >
> >
> > Well, I make no claim to understand that minds of the FAR writers, but 
> > here's my opinion.  It is more likely to inadvertantly encounter icing 
> > when flying IFR in IMC.  Pretty hard to accumulate ice if you aren't 
> > flying in visible moisture (clouds or precip), so if you are VFR you 
> > really have no excuse to get into even light icing conditions.  ... 
> > snip...
>
>
>
> You can easily be in VMC, ceiling 2000 feet, visibility 3 miles, and be 
> flying in freezing rain.

That's right.  What part of "visible moisture (clouds or PRECIP)" didn't 
you understand?

As soon as you see the rain, you should divert.  Hopefully, before you 
enter it too far.  Typically, I can see rain shafts when flying in VMC, 
unless if is really marginal VMC.  Even if I can't see the rain before I 
enter it, I can see it pretty quickly on the windshield and make a quick 
180.


Matt