A350 - Airac 2506 - All approaches at fixed VPA 3°

[baronerossoit92]

I have realized how whatever approach with a final VPA greater than 3° is threated by the A350 as a standard 3° final which leads to dangerous below profile approaches.
I have no clue if this is related to missing details in the navdata for the 350, or if is the A350 manipulating the navdata by his own.

I saw it multiple time like in:
LSZH ILS/RNP 28 are 3.3° but A350 loads them at 3.0°
LOWK RNP 10L is 3.5° but A350 loads it at 3.0°
LIRN 24 ILS is 3.33° but A350 loads it at 3.0°

All this leads to final profiles BELOW the mandated published profile by the approach proceedure which is pretty dangerous.

Any clue?
Can someone please check if the VPA are compiled in the Airac data for the 350 properly for such approaches above 3°?

Thank you!

[NAVData]

Hi,
Please report this IniBuilds it seems they round (or cut) the angles. I have checked our database, which IniBuilds use:

Here, directly from the IniBuild A350 database:

LIRN;RW06;NPC;3.5
LIRN;RW24;INPL;3.33
LSZH;RW14;IKL;3.0
LSZH;RW16;IZH;3.0
LSZH;RW28;IZW;3.3
LSZH;RW34;IZS;3.3

Klagenfurt is a bit special because it is an RNP approach. The default VAP is 3.0°, which exceeds 3.5° above 15°C only, and such exceptions are not part of the data.

Hope that helps
Richard

[baronerossoit92]

Actually the RNP in LOWK is by default (RWY 10L) established at 3.5°

Tks for the prompt feedback, I’ll proceed with iniBuilds!

[NAVData]

@baronerossoit92

Actually the RNP in LOWK is by default (RWY 10L) established at 3.5°

Ups, you´re right. But what I wanted to say was that this value is calculated by the aircraft (due to the RNP) and is not something that we offer in the data comparing with the ILS approaches That was a bad explanation, sorry.

Thanks again and enjoy your Sunday,
Richard