Khathmandu vor app rwy 02

[Rocket3837]

Greetings,
On A320, which method is better for that app ,fully managed or semi managed?
I noticed in the sim that using fully managed brings the plane at high descent angle (more than 4 deg) which might trigger the gpws plus the VASI lights will show all whites all the way down....
Any thought?

[compressor stall]

Semi managed?

And what flap are you using?

[Rocket3837]

Semi managed = lateral managed and vertical selected..... Flaps full
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[compressor stall]

Semi managed = lateral managed and vertical selected....
I know what you meant, I was just showing gallic indignance at such non Airbus talk ;)

You will find Managed Laterally, Vertically Selected works better. And as counterintuitive as it may seem, F Full is not always best here. And you have speed brakes to varying amounts depending on your 320 variant and company policy.

[Check Airman]

Semi managed = lateral managed and vertical selected..... Flaps full
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How'd you do this? I tried the other day to do it, but it kicked us out of APP NAV and FINAL APP, back to NAV (or maybe it was HDG).

[KingAir1978]

Final App has descent rate limits. I believe the A/P cannot give you more than 1200'/minute. With the high elevation, high temperature, possible tailwind, and a published glide path of >5 degrees you will have to fly at more than 1200'/minute.

What does your company say about this approach? In a previous life I have flown there. KTM was regarded as a Category C airport, necessitating special training.

[compressor stall]

Final App has descent rate limits. I believe the A/P cannot give you more than 1200'/minute. With the high elevation, high temperature, possible tailwind, and a published glide path of >5 degrees you will have to fly at more than 1200'/minute.
I think that's correct below 1000AAL I'd have to check. It's certainly happy at -1800fpm at higher altitudes. That's why the OP sounds like it's looking OK then gets high on the VASI

What does your company say about this approach? In a previous life I have flown there. KTM was regarded as a Category C airport, necessitating special training.
A requirement from the Nepal CAA is that you have flown the approach and dept in the sim.

And the considerations for the approach don't end at the minima....

[Dan Winterland]

You have to use a selected vertical profile. It won't work in managed mode. I hope your Flight Ops department have assessed this and issued guidance. It is most defiantly a Cat C airport and you need to practice it in the sim before trying it for real, along with the go-around - and the engine out departure. The Nepal CAA insist on it - for good reason.

PS. The RNAV is much safer!