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WAAS RAIM/FDE PREDICTION PROgRAM INSTRuCTIONS
NOTE: The WFDE Prediction Program is part of the Garmin Trainer and Route Planning software programs. The
required software and instructions are available via the Garmin website at www.garmin.com.
NOTE: The WFDE Prediction Program requires an internet connection to provide access to current almanac, GEO
almanac, and configuration files.
NOTE: These instructions assume the user has experience operating the G1000 with GIA 63W, the GNS480/CNX80,
or the applicable GNS 400W/500W or GTN 6XX/7XX Series Unit and is familiar with the operation of RAIM and
FDE.
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GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS
WFDE PREDICTION PROgRAM INSTRuCTIONS
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Summary of Contents for Garmin GPS Receiver
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Page 1: Table Of Contents
WAAS RAIM/FDE PREDICTION PROgRAM INSTRuCTIONS NOTE: The WFDE Prediction Program is part of the Garmin Trainer and Route Planning software programs. The required software and instructions are available via the Garmin website at www.garmin.com. NOTE: The WFDE Prediction Program requires an internet connection to provide access to current almanac, GEO almanac, and configuration files. -
Page 2: Overview
The following sections provide an overview of the WFDE Prediction Program and guidelines for when it should be used. Section 1.2 provides a comprehensive set of guidelines for when a WFDE prediction is required that is applicable to any installation of a Garmin WAAS enabled unit. Section 1.3 provides specific guidance for GTN 6XX/7XX installations. - Page 3 A WFDE Prediction is required for the following instances (see also Table 1): • For all Garmin WAAS enabled units (regardless of the GPS software version or antenna model): an FDE prediction is required for operations where the route requires Class II Navigation (e.g. Oceanic/Remote operation) and GPS is to be the primary source of navigation per FAA AC 20-138A Appendix 1.
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Page 4: Determining When A Wfde Prediction Is Required For Gtn Products
WFDE PREDICTION PROgRAM INSTRuCTIONS * Approved refers to antennas listed in the applicable Installation Manual (Table 2) that allow the Garmin WAAS enabled unit with GPS software v3.XX or later to meet the TSO-C145a/C146a or TSO-C145c/C146c requirements without requiring the operational limitations specified in the applicable Installation Manual. Unapproved refers to antennas listed in the... -
Page 5: Identifying Gps Software Version
IDENTIFYINg gPS SOFTWARE VERSION The GPS software version used in the Garmin WAAS enabled unit must be determined prior to performing the WFDE prediction. The GPS SW version may be a factor in determining if a WFDE prediction is required. -
Page 6: G1000 With Gia 63W
2) From the Home page, touch the System key to reach the System functions. 3) Touch the System Status key. 4) Note the GPS/WAAS Software Version. GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS 190-00643-01_0E.indd 6 GPS Software Version Figure 3 System Status Page... -
Page 7: Running The Fde Prediction Program
2) If using a Trainer program, select the “Options” menu (Figure 5) in the upper left corner, and select “WFDE Prediction Program” (G1000 Trainer and GTN Trainer), “Fde Prediction Program” (GNS 400W/500W Trainer), 3) If using the Garmin Route Planning Software, click on the “Start Prediction” button after setting up the route (Figure 5). - Page 8 Antenna Selection Menu - See Table 4 NOTE: The “Other Garmin series” listing in Table 3 should be selected when using a system with a TSO-C146A compliant WAAS antenna and software (see Section 1.2). GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS 190-00643-01_0E.indd 8...
- Page 9 This option should be selected when the installed GPS software version is 3.XX or later and the installed antenna is one of the Garmin approved antennas that result in a fully compliant WAAS system capable of being operated without limitation. See the installation manual for your Garmin system for the list of approved compliant antennas.
- Page 10 NOTE: The maximum allowed outage times for Oceanic flights vary according to the specific route. The pilot must determine the proper allowed outage time to be used for the prediction, based upon the route that is being flown. GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS 190-00643-01_0E.indd 10 Option Description Table 5 190-00643-01 Rev.
- Page 11 LP, LPV, and LNAV/VNAV approaches at the destination. NOTE: Satellites that are unavailable will be “greyed-out” with no check marks. Satellites with “Poor Health” will default to unchecked status. GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS 190-00643-01 Rev. E 190-00643-01_0E.indd 11...
- Page 12 11) The GPS/FDE Availability Results screen (Figure 12) appears after clicking the OK button on the “Calculation is complete” message screen. The results can be viewed or printed (see Printing section of this document) for later reference. GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS 190-00643-01_0E.indd 12 Figure 10 Almanac Warning Figure 11 Calculation Complete Screen 190-00643-01 Rev.
- Page 13 OK button on the “Calculation is complete” message screen. 2) Select Results. A window will appear showing the calculation results (Figure 12). 3) To print the calculation results, see the Printing section of this document. GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS 190-00643-01 Rev. E 190-00643-01_0E.indd 13...
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Page 14: Interpreting The Fde Prediction Results
NOTE: Since (due to unforeseen circumstances) actual departure times often differ from planned departure times, it is good practice to perform predictions for several possible departure times. GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS 190-00643-01_0E.indd 14 Figure 13 Prediction Results Icons 190-00643-01 Rev. - Page 15 6) For Oceanic/Remote operations, determine the actual maximum allowed outage and use for the prediction (instead of the 5 minute default setting which is generally shorter than the actual allowed outage time). GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS 190-00643-01 Rev. E 190-00643-01_0E.indd 15...
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Page 16: Updating/Changing Almanac And Configuration Files
3) A pop-up window appears to confirm that the data has been downloaded. Click the OK button to return to the WFDE Prediction Program. 4) The file has been updated. GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS 190-00643-01_0E.indd 16 Figure 14 Help Pull-down Menu 190-00643-01 Rev. -
Page 17: Changing The Configuration File
WFDE Prediction Program. If the user has multiple Garmin programs loaded, the user must verify that the configuration file currently in use is correct for the Garmin product that will be used to navigate the flight plan. -
Page 18: Printing
3) Print the file from the “other” program. 4) Repeat the preceding steps (if desired) from the WFDE Prediction Program screen (Figure 6) to record the Departure Time. GARMIN WAAS FDE PREDICTION PROGRAM INSTRUCTIONS 190-00643-01_0E.indd 18 Figure 16 Calculation Complete Screen ®... - Page 19 190-00643-01_0E.indd 19 2/28/2011 1:24:37 PM...
- Page 20 190-00643-01_0E.indd 20 © 2011 Garmin Corporation Garmin International, Inc. 1200 East 151 Street, Olathe, Kansas 66062, U.S.A. Tel. 913/397.8200 or 800/800.1020 Fax 913/397.8282 Garmin AT, Inc. 2345 Turner Rd., S.E., Salem, Oregon 97302, U.S.A. Tel. 503/581.8101 or 800/525.6726 Fax. 503/364.2138 Garmin (Europe) Ltd.