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Problem selecting correct Arrival


Mladen

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Hi!

There is a problem in selecting the correct arrival at LDDU (Dubrovnik):

The ARRIVAL page shows the following:

LDDU_ARR.jpg

LSK3 and LSK5 both show the same information - VOR12.

- LSK3 is correct, as it really is a VOR approach and is based on VOR DBK 115.4 MHz

- LSK5 is in fact a Localizer approach based on LOC (ILS) IDU 110.1 MHz

The VOR and LOC approaches are different (NavDataPro 1305)

VOR12:

FINAL,D12,12,D,4
IF,KLP,42.66928333,18.02085278,DBK,298.5,13.3,2,4000,0,0,0,0,0,0
TF,12DBK,42.66046944,18.04031111,0,DBK,298.5,12.3,0,0.00,1,4000,0,0,0,0,2,0
TF,DBK84,42.62671111,18.11558333,0,DBK,298.5,8.4,0,0.00,2,2740,0,0,0,0,0,0
TF,CV,42.58519167,18.21263889,0,DBK,300.3,3.4,0,0.00,1,1161,0,0,0,0,3,0
TF,DBK,42.55383889,18.27743333,0, ,0.0,0.0,0,0.00,2,927,0,0,0,0,0,1
TF,15DBK,42.30500000,18.24388889,0, ,0.0,0.0,0,0.00,1,4000,0,0,0,0,0,0
HM,15DBK,42.30500000,18.24388889,1, ,0.0,0.0,3,60.00,0,0,0,1,210,0,0,0,1

LOC12:

FINAL,L12,12,D,4
IF,DBK12,42.65140278,18.04008056,IDU,295.1,12.3,2,4000,0,0,0,0,0,0
CF,OM12,42.62081111,18.11778611,0,IDU,295.1,8.4,115,3.90,2,2635,0,0,0,0,2,0
CF,DBK34,42.58387500,18.21133056,0,IDU,295.1,3.7,115,4.70,2,1161,0,0,0,0,0,0
CF,MM12,42.57443333,18.23519722,0,IDU,295.1,2.5,115,1.20,1,787,0,0,0,0,3,0
CR,0,DBK,3.0,115,2,927,0,0,0,0,0,0
CF,15DBK,42.30500000,18.24388889,0,DBK,182.7,15.0,183,15.00,1,4000,0,0,0,0,0,0
HM,15DBK,42.30500000,18.24388889,1, ,0.0,0.0,3,60.00,0,0,0,1,210,0,0,0,1

but from the ARRIVAL page you can not determine the correct Approach and the order of listed approaches depend on their order in the LDDU.txt file. Any airport that has both VOR and LOC approach have the same problem in choosing the correct arrival.

Is there any chance to implement a different code for Localizer approach in the ARRIVAL page to be able to choose the correct one?

Mladen

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Guys,

The current navdata specification dont support LOC ONLY approaches. The new navdata format does, but its too big a risk to change now. This will be done during the 318/319 (and streamed backwards to the 320/321 as updates), but not before.

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Hello Joshua,

Thank you for the prompt answer. It is good to know it will be solved later. For the time a workaround is to open the xxxx.txt for the arrival airport and see the order of available approaches to be able to choose the correct one.

Mladen

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