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FOMS Menu 317 (Preferred Arrivals Program)

Note: The following descriptions represent the typical access and privileges afforded to users designated as Dispatch Managers/Supervisors. Users with dispatcher privileges will have limited access to a subset of the screens presented.

 

This program allows the user to create and maintain preferred arrival routes that connect a destination airport with a transition waypoint via some ATC published preferred route. The Route Analysis program will search this file for preferred departures and will assemble routes containing the appropriate segments.

The available modes are:

Add

Edit

Delete

Video

Screen

Hardcopy

Quit

Add Mode

AIRAC Cycle / Cycle: Choose the AIRAC Cycle to use, see AIRAC Cycle for more information.

ICAO/IATA: Enter either the ICAO or IATA code of the destination airport. The alternative code will be displayed, along with the name of the airport.

TRANS WPT: Enter the identifier of the waypoint that marks the end of the arrival route.

IND (Index): This field is optional. It allows for those cases where there may be more than one Preferred Arrival from an airport that terminates at the same Transition Waypoint. Enter a number from 0 to 99.

STAR: If a specific STAR is called for, enter the appropriate STAR name in this field.

WPT: If a STAR has been named in the previous field, then you must enter the STAR Transition Waypoint in this field so that the system can resolve ambiguities.

MAX: If a maximum altitude is specified for this route, enter it in this field. The Route Analysis will adhere to this limit when building an MTTA.

SRC: Enter your initials to indicate the source of this record.

RPT: Enter the preference for report departure. The option dictates whether the ATC item 15 displays: <Y>, the entire Preferred Departure/Arrival routes; <N>, The Route with only up to the transition waypoint (with direct at end); <D>, the value direct to/from the transition waypoint.

UPDT: This is a display only field to indicate when the record was last edited. The current system date will be written to the record as soon as it is saved.

VALID FROM/TO: Enter the Valid From and Valid To dates and times (optional) in the format DDMMYY, HHMM. If these fields are left blank, then the Route Analysis program will assume that the route is always valid.

T/P: This flag allows you to designate a route as Temporary or Permanent. Any route flagged as Temporary will be automatically deleted as soon as the Valid To date/time has expired. Routes flagged as Permanent, on the other hand, will remain on file until they are manually deleted, regardless of the Valid To date/time.

USE: This field allows you to control when the Route Analysis program will make use of this route. The options are: Track <T>, implying that this departure is only to be considered if the city-pair involves a Track Structure; MTTA <M>, implying that this departure may be considered any time the Route Analysis is building an MTTA for the city-pair; or Always <A>, which implies that this route is to be considered as an option any time the Route Analysis is building a route for the city-pair.

NAT, NOR, PAC, AUS: Use <Y> and <N> to indicate the track type. Only available when Use is set to <T>.

GC: The Great Circle distance from the transition waypoint to the destination is calculated and displayed as soon as this information is entered.

DIST: As each waypoint in the route is entered, the total distance from origin along the designated route will be displayed.

TRK/LEG: As an aid to route entry, the Great Circle Track and Distance between the last waypoint entered in the route table and the previous waypoint will be displayed in these fields.

DISABLED: Use <Y> or <N> to allow users of the FOMS 316/317 menus to know when any of their preferred departure/arrival routes are no longer valid based upon the latest AIRAC data. This allows easy identification of entries requiring an update.

WPT IDENT/CC/T: If a STAR has been selected, then the first field in the route table will be filled with the ID of this waypoint. Otherwise, enter the first waypoint in the route. The program will compute the direct distance from the Origin to this waypoint. As long as there is no ambiguity, the Country Code and Type will be filled in automatically,  otherwise enter these values.

AWY: Enter the name of the desired Airway. The <?> Search function may also be used in this field if required.

Note: Since Preferred Arrivals are intended to define fixed routes published by ATC, MTTA may not be used as an entry in the Airway section of this program.

Continue to enter waypoints and airways until the previously designated end waypoint is reached. At this point, the program will recognize that the route is complete, and will shift the cursor to the Comments field.

Cmts: Enter any comments that you feel are pertinent.

Edit Mode

Enter the Origin, Transition Waypoint, and Index number of the Preferred Arrival route you wish to edit. It will be displayed on screen, with the cursor positioned on the STAR field for editing. Waypoints may be inserted or deleted using <Ctrl>-I or <Ctrl>-D to insert or delete lines in the route table. To move rapidly from line to line, you may use the up or down arrow keys. Pressing <Enter> will move the cursor across a line to access the Country Code, Type, and Airway fields.

When you are satisfied with your changes, you may exit to a confirmation prompt by using <Ctrl>-E. Any time you edit a record, the current system date will be written into the Date field.

Delete Mode

To delete Preferred Arrival route, enter the key information: Transition Waypoint, First Waypoint and Track. The route will be displayed on screen, along with a Really DELETE? prompt. If you are satisfied that this is the record you wish to delete, respond Y; otherwise enter N and you will be able to alter your selection.

Video Mode

In Video mode you may view a single record, or scroll through the file using the up and down arrow keys. If you are not sure of the Entry Name, you can enter any value: the program will return a Record Not Found - Press <ENTER> for NEXT AVAILABLE prompt. You may then press <Enter> and use the up and down arrow keys to view individual routes. If the route required more than one page of table, you may view the second page by using <Ctrl>-F.

Pressing <Enter> while a route is displayed will clear the screen, but leave the cursor in the ICAO field for a new input. Entering <Q>, on the other hand, will clear the screen and return you to a Command Line prompt.

Screen Mode

When you enter Screen mode, the report selector screen will be displayed, allowing you to make the following entry options:

AIRPORT ICAO FROM/TO: You may chose the range of Origin airports for which departure routes are to be reported.

Note: These must be ICAO codes, although you may chose to enter just the first one or two characters in order to report all routes for airports in a particular region, or particular country.

TRANSITION WAYPOINT: This field is. You may filter the report to only those using a specific transition waypoint.

Hardcopy Mode

This mode functions the same as Screen mode, with the exception that the output is directed to the printer.

Quit Mode

Entering <Q> from the Command Line will return the Next PROGRAM-NUMBER prompt so that you have the option of going directly to your next program if you know the menu number, or of returning to the previous menu if you simply press <Enter>.

 

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