Mark V and Mark VII EGPWS Pilot’s Guide
Smart Runway
®
060-4241-000
84
Rev H, August 2011
Approach to
Runway
Continued
For some approaches more than one runway could meet the
qualifying conditions above, e.g., two closely spaced runways
with headings that are within 20 degrees of each other. The
message “
Approaching Runways
” is provided in such cases.
Approaching Short Runway - In-Air Advisory
Safety data indicate that loss of position awareness on
approach is a factor in runway incursions – lining up and/or
landing on the wrong runway. In some cases the landing
distance available (on the incorrect runway) was less than that
required.
The purpose of the Approaching Short Runway - In-Air
Advisory is to provide the crew with awareness of which
runway the aircraft is tracking, and that the runway length
available for landing is less than a defined nominal landing
runway length. The “nominal” runway distance for landing is
aircraft type specific and is set by an operator. Note that it
cannot be changed by the flight crew.
This advisory is provided when the following conditions are
met:
•
All conditions for a routine Approaching In-Air Advisory
are satisfied (see previous section for details); and
•
The aligned runway is shorter than a nominal landing
runway length.
The system uses the same altitude zones to suppress this
advisory that are used for the routine Approaching Runway
In-Air Advisory.
Note that this advisory does not take into account prevailing
conditions such as aircraft weight, wind, runway condition &
slope, air temperature and altitude of airport. If the operator
does not specify the nominal runway length, the advisory is
defaulted to off, unless the operator has chosen to always
advise the runway length available for landing.
Summary of Contents for EGPWS MK V
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