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you want RC to assign for departure and arrival. If you happen to know that your flight
KDSM-KORD always leaves from gate G4 and shuts down at gate 25, it is somewhat neat to
put these figures in there.
Transition Altitude
For airports in North America, no user input is required in this section as the default
Transition Altitude of 18,000ft is used.
Radar Contact Radar Contact User Interface
Version 4 December 2, 2007
Copyright JDT LLC 2005 Page 106
For airports not covered by FAA regulations, a user-editable text box will appear which
allows the appropriate Transition Altitude to be entered.
Radar Contact is supplied with a database of real-world Transition Altitudes for many of the
world‟s major airports and if the airport is in the database, RC will enter the correct Transition
Altitude in the text box. If there is no entry for the airport in the database, the default altitude
of 18,000ft will be used but you can edit this if you wish. Transition Altitudes can be found
on many SID, STAR, and instrument approach charts.
IMPORTANT NOTE – RC needs Transition Altitudes to be input in the ICAO
standard format of whole thousands of feet. A small number of airports have nonstandard
Transition Altitudes which should always be rounded-up to the nearest
whole thousand. For example, if an airport has a published Transition Altitude of
6,500ft, it should be entered as 7,000ft.
In North America, the Transition Altitude is the point below which RC will control your
vertical position by reference to altitude (thousands of feet); in other parts of the world, it is
the point at and below which your vertical position will be controlled by reference to altitude.
When flying at or below the Transition Altitude (below the Transition Altitude in North
America), your altimeter subscale should be set to the local pressure (QNH).
When you start RC, the program will apply the local pressure setting (QNH) to the Transition
Altitude to calculate the lowest available flight level.
Transition Level
No user input is allowed in this section because the Transition Level is calculated
automatically when RC is started. Both the departure and arrival Transition Levels are shown
briefly on the Menu Display display at start-up and they can be seen in the Controller/Flight
Options section on the main Radar Contact page.
IMPORTANT NOTE – A small number of countries have fixed Transition
Levels rather than calculated ones – this is not simulated in this version of RC and
all Transition Levels will be calculated at runtime.
For flights outside North America, the Transition Level is the lowest usable flight level above
the Transition Altitude. The definition of “usable” varies from country to country so for
consistency in RC, we have defined it as the flight level that gives at least 1,000ft separation
above aircraft flying at the Transition Altitude.
The Transition Level is the point at and above which RC will control your vertical position by
reference to flight level. When flying at or above the Transition Level, your altimeter must be
set to the standard pressure setting of 1013.2 hPa or 29.92 in/hg. When climbing or
descending, your RC co-pilot will remind you of the need to reset your altimeter from local
pressure (QNH) to standard pressure and vice versa with the phrase “altimeter check” at the
appropriate time.
Radar Contact Radar Contact User Interface
Version 4 December 2, 2007
Copyright JDT LLC 2005 Page 107
MSA
This box will be filled in with the approximate MSA for the airport. There if you know the
MSA at this airport is higher than what is provided, you can change it. This field determines
the lowest possible altitude you will be assigned during departure and approach.
Departure Procedures
By definition, Departure Procedures (DPs) are published routes, with or without altitude
restrictions, flown after takeoff. DP lengths vary depending on your departure airport. They
might end at a point from 30 miles away, they might end at a point 100 miles away.
This essentially is the first part of your flight plan, which guides you away from the airport.
The purpose(s) of DPs include noise abatement, routing around restricted or prohibited areas,
moving heavy volumes of departing traffic away from populated areas, transitions to common
fixes for enroute, etc.
Beyond filing a realistic route with appropriate procedures, there is a further purpose to filing
a DP in RC. You wish to takeoff, but rather than be vectored towards your first checkpoint,
you prefer to join an outbound radial from a VOR (in other words, pick up an airway). DPs
allow for this.
First, determine whether you want to fly a Departure Procedure. In effect, this means that
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