They sent the original Concorde out here for icing tests...does that tell
you something (I flew KOMO-TV to Moses Lake for the event)?

The University of Washington atmospheric sciences folks used to have a B-23
(I think...it was a bomber, anyway) and they developed a map of icing
severity vs altitude vs distance from Seattle. On the west side of the
Cascades, where upslope icing would be expected, the red area was about 34
miles west, between 6 and 8000 feet. That is one of the reasons why the
local ATC folks got together with the FSDO safety program manager and
developed icing avoidance strategies...eastbound from Seattle, pilots who
ask for icing avoidance vectors are sent west to climb to 6000 feet before
being turned east...inbound pilots who ask for avoidance vectors are told to
stay high (8000) until over the city, then to descend on the west side.
Works like a dream, but you have to ask.

Bob Gardner

"Peter R." wrote in message
...
Peter Duniho wrote:

Known-ice TKS is there to GET YOU OUT of icing conditions. Why in the
world
would you intentionally fly into an area where the only purpose of your
safety equipment is to get you out?

Peter, as a person who has never flown in the Northwest US, I am
curious about your part of the country. At what altitudes are the icing
conditions during the Northwest US winters? Do you often have options
to remain below those altitudes?

--
Peter







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