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done inside a confined area, together
with a sloping ground landing, thus
combining several exercises at once.
You can do this in many ways to
provide smoothness and economy.
322 Operational Flying
Notes
Glossary
ACARS
Aircraft Communications Addressing and
Reporting System, using quick bursts of
data on VHF between aircraft and
ground stations, viewable on a
printer in the cockpit. The ground
network is operated on behalf of the
airlines by a separate organisation.
With ACARS, final load figures can
be sent to the aircraft when taxying
out, so they don’t need to be
calculated at the gate, which could
cause a problem when you need your
rotate speed from the graphs and
you don’t know what the weight is.
Adequate External Attitude
Reference
Met conditions with visual cues that
permit aircraft attitude and flight
path to be determined without sole
reference to instruments and with
visual ground contact.
Aerial Work Zone
An area, delineated in an Aerial Work
Zone Plan, in which aerial work is
being conducted and that is over a
built-up area of a city or town or
over or adjacent to an area where
persons may assemble.
Aerial Work Zone Plan
A risk management plan for
proposed aerial work.
Aerodrome
Adequate
One where performance
requirements for the expected
landing weight will be met, with
necessary ancillary services, such as,
ATC, sufficient lighting,
communications, weather reporting,
navaids and emergency services, and
at least one let down aid (ground
radar will qualify) for an instrument
approach.
Suitable
An adequate aerodrome with
weather reports, or forecasts, or any
combination thereof, indicating that
the weather conditions are likely to
be at or above operating minima and
the field condition reports indicate
that a safe landing can be done at the
time of intended operation.
Aerodrome Operating Minima
The Cloud Ceiling and Runway
Visual Range (RVR) for takeoff and
324 Operational Flying
the Decision Height (DH) or
Minimum Descent Height (MDH),
RVR and visual reference for landing
which are the minima for operation.
Air Ambulance flight
One where the prime reason is to
transport a person who is ill or has
been physically injured to a
recognised medical facility, or a
human organ required for a
transplant is taken from one place to
another. Other persons (except
aircrew) are medical attendants, the
patient's immediate family or nextof-
kin (or a close friend).
Approach Ban
A situation where an aircraft shall
not:
· commence or continue a descent
below 1000 feet above the height
of an aerodrome where the RVR
is reported to be less than the
specified minima for landing,
except that if this condition is
reported to the aircraft
Commander after he has
properly descended below the
DH, the approach may be
continued if the specified visual
reference was established at DH
and is maintained, provided that
the approach has been made by
use of an ILS Cat I, II or III until
at least the time that the specified
visual reference has been
established, or:
(or in English: start or carry on with
an approach where the RVR is
reported to be below minima unless
you, having already made an ILS
approach, are already below DH and
you can see what you're doing).
· commence or continue an
approach to landing at an
aerodrome outside the UK when
any of the elements included in
the State Minima are reported to
be below the limits and National
Regulations prohibit any attempt
to land, or commence an
approach to landing.
(start or carry on an approach to a
foreign airfield where State minima are
below limits and regulations forbid you
to try).
· commence an approach to
landing at any aerodrome either
inside or outside the UK at
which RVR is not reported, or is
not available for the time being,
when the Met visibility or
factored Met visibility is less than
the equivalent specified RVR, or:
(start an approach anywhere where no
RVR is reported and the Met Vis
suitably converted is less than
Company minima).
· continue an approach to landing
by flying below the specified DH
or MDH unless from that height
the specified visual reference is
established and maintained.
(go below DH/MDH unless you can
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