Effects
of Low Visibility during Landing Avoid Aviation Accidents
Approaching
during Low Visibility in rain, snow, fog, or bad weather, will have serious impact on
air traffic, and may even lead to an Aviation Accident.
However,
throughout the final phase of the approach, pilots need visual reference
from the runway to maneuver the airplane to touch down. The runway visual range
(RVR) is the range over which the pilot of an aircraft on the center line of a
runway can see the runway surface markings or the lights defining the runway or
identifying its center line. The minimum RVR requirement for landing depends,
amongst others, on the airport facilities, aircraft equipment, pilots' training
and airlines' policy.
If the
visibility deteriorates just before the plane touches down, that would pretend
a great challenge to the pilot. Flights would hold in the air and wait for the
visibility to improve. If low visibility condition persists, a flight may have
to divert to another airport due to fuel consideration and make a safe landing.
Occasionally a second approach to the same airport could be devastating after a
Missed Approached, if you think the conditions
will continue the same , you never know ??. Make a good decision and
fly to your alternate immediately.
Minima for Landing Operations under Different Categories of Instrument Landing System (According to International Civil Aviation Organization (ICAO) DOC 9365-AN/910)
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