CYFB ILS Rwy 16 Localizer Waypoint Offset

Hi,

I’ve noticed a strange behavior in the JustFlight BAe 146 Avro RJ, where the virtual fix D161D is offset from the localizer course. For all details please see:

I’m wondering for the reason of this, and if it relates to the Navigraph base data or any interpretation of the procedure by the aircraft?

Any input is appreciated!

Hi,
I’m sorry, but your posting contains so much confusion. There is no ILS for runway 16 into CYFB, nor is runway 33 on CYFB; there is only runway 34.

Our source doesn´t offer waypoint D161D therefore, I assume this is a calculated waypoint from the BAe FMC. Also, I assume they use the wrong recommended navaid to calculate this waypoint. The “procedure turn” references the IFB ident (which is the localizer ident) - I guess they are using the YFB VOR, which is slightly offset from the runway, and therefore, the calculated waypoint is also offset.

Here is what I mean - The Frobay VOR is slightly on the right of the runway. The red line is the bearing on 161°, which would explain the offset. The green is the IFB Localizer-DME, which should be used because it is the “recommended navaid” here.

That is only an assumption, but I can´t see any issue in the navdata here.

I hope that helps,
Richard

Sorry for messing up with the runway designators. Rwy 34 it is.

As per JustFlight, D161D is part of your navdata:

What is the true origin of the fix?

Hi,
I will check it again, possible I also have used the wrong information here, but at least I haven’t found this waypoint in our source.

Will check it again and come back to you
Cheers and have a nice day,
Richard

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