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Guest ronht

Help with PDMG FMC programing

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Using a flight planning program, I created a flight plan from San Jose Ca. to Salt lake city. I choose the LOUPE SID. The plan looks like: D303B FAITH LOUPE OAK37 SJC D339H BYBLO BVL.....My plane is the PMDG 747 for FSXNow, the plan does not appear correct in the FMC after I select the flight plan, so I tried to manually add the entries. The FMC has problems with two entries. They are the OAK37 and the D339H entry. The FMC reports "Not in Data Base". I downloaded the latest cycle 802 from navigraph, but, still the same problem.What is OAK37 and D339H (are the intersections?). What must I do to get the FMC unit to accept these entries?Thanks,Jim

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Problem solved. I had failed to update the flight plan located under the PMDG, "flight Plan" folder. Once I did that, all works A-OK,Still interested in what OAK37 and D339H are?Thanks,Jim

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They look like normal airways to me, based on the format of that route you quoted.

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OAK37 is a fix 37 dme from the OAK VOR.D339H is a fix on radial 339 from the SJC VOR.They are basically RNAV fixes, you won't see them on the published chart, but they are used in some FMS databases. It's a way they include unpublished fixes in the FMS's database the FMS can follow in LNAV mode and still be compliant with the published SID/STAR procedure/route. They may be named differently depending on the FMS or Navdata source or supplier.Its probably not in the Navdata supplied by Navigraph (or has a different Ident), probably why your getting the 'Not in database' message.Also your waypoint listed as 'BYBLO' should be 'DYBLO'Regards.Ernie.

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Thanks Ernie,I had DYBLO corrected entered in my flight plan, but had a typo in my AVSIM message. Is it possible to add a FIX to the FMS? Thanks for the explanation, this is what I was looking for.Jim

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Guest ronht

If you want to get even more technical -D339H is the 8mi fix on the 339 radial from the SJC VOR.Letter "H" is the eighth letter in the alphabet.The FMC alphabetical keys are laid out in 5 rows, with 5 letters in each row, and the letter Z being the only letter on the 6th row. Each letter on an RNAV departure or arrival can be associated with a 1 mile distance to identify various fixes up to 26 miles. For example, D339N would be the 339 radial and N would relate to the 14 mile fix on that radial since it is the 14th letter, 4 keys in on the 3rd row of 5 on the FMC. Make sense? :-) enjoyron

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