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BEECHCRAFT
Section X
Safety Information
VFR AT N/GHT
When
flying
VFR at night, in addition to the altitude
appropriate
for the direction of
flight,
pilots
should
maintain
a safe minimum altitude as dictated
by
terrain,
obstacles
such
as TV
towers,
or
communities
in the area
flown.
This
is
especially
true in mountainous
terrain,
where
there is usually
very
little
ground
reference.
Minimum clearance is
2,000 feet above the highest obstacle enroute.
Do
not depend on
your
ability to see obstacles in time
to miss them. Flight on
dark
nights over
sparsely
populated
country can be the same as IFR, and must
be avoided by inexperienced or non-IFR rated
pilots.
VERTIGO
-
DISORIENTATION
Disorientation
can occur
in
a variety
of
ways.
During flight, inner ear balancing mechanisms
are
subjected to
varied
forces
not
normally experienced
on the ground. This, combined
with
loss of outside
visual
reference,
can
cause
vertigo.
False
interpretations
(illusions)
result,
and may confuse
the
pilot's
conceþtion of the altitude and
position
of
his airplane.
Under
VFR
conditions,
the
visual
sense,
using
the
horizon as a reference,
can override the illusions.
Under low
visibility
conditions
(night,
fog, clouds,
March, 1981
10-35
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