BEECHCRAFT
SectionX
Safety Information
thal he can no longer maintain altitude.
At
this point
he
has lost most,
if
not all, of his safety options,
including perhaps a
180
degree turn to retreat along
the
course already traveled. The responsible and
well-informed
pilot recognizes the limitations
of
weather conditions, his airplane and its systems and
reacts
promptly;
he
lives to fly again.
MOUNTAIN
FL
YING
Pilots flying
in
mountainous areas should inform
themselves
of
all
aspects
of
mountain
flying,
including
the
effects
of
topographic features on
weather conditions. Many good articles have been
published,
and
a
synopsis
of
mountain
flying
operations
is
included
in
the
FAA
Airman's
Information Manual, Part l.
A void flight
at
low
altitudes
over mountainous
terrain, parlicularly near the lee slopes.
lf
the wind
velocity near the level
of
the ridge is in excess
of
25
knots and approximately perpendicular
to
the ridge,
mountain wave conditions are likely over and near
the lee slopes.
lf
the wind velocity at the level
of
the
ridge exceeds
50 knots, a strong mountain wave
is
probable with extreme up and
down
drafts
and
seveire turbulence. The worst turbulence will be
encountered
in
and below the rotor zone, which is
March, 1981
10-33
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