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Section X
BEECHCRAFT
Safety
Information
usually 8 to 10
miles
downwind from the
ridge.
This
zone is sometimes characterized
by the
presence
of
"roll
clouds"
if sufficient
moisture
is
present;
altocumulus
standing
lenticular
clouds
are also
visible
signs that a
mountain
wave
exists, but their
presence
is likewise
dependent
on moisture.
Mountain
wave
turbulence
can, of
course,
occur in
dry air and the absence of such clouds should not be
taken
as
any
assurance
that
mountain
wave
turbulence
will not
be encountered.
A
mountain
wave
downdraft may exceed the climb capability of
your
airplane. Avoid
mountain
wave
downdrafts.
VFR
-
LOW
CE/L/NGS
If you are not
instrument
rated,
do not attempt
"VFR
on Top"
or
"Special
VFR"
flight
or
clearances.
Being caught above a solid cloud layer
when
an emergency
descent
is required
(or at
destination)
is
an extremely
hazardous
position
for
the VFR pilot. Accepting a
clearance
out of
certain
airport
control zones
with
no
minimuin
ceiling
and
one-mile
visibility
as
permitted
with
"Special
VFR"
is a foolish
practice
for the VFR pilot.
Avoid areas of low ceilings and restricted
visibility
unless
you are instrument
rated and
proficient
and
have
an instrument
equipped
airplane. Then proceed
with
caution and
with
planned alternates.
10-34
March, 1981
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