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H145-D2: RNP Approach to LNAV minima

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H145-D2: RNP Approach to LNAV minima

Old 12th Oct 2021, 15:47
  #21 (permalink)  
Thread Starter
 
Join Date: Oct 2010
Location: India
Age: 45
Posts: 73
Originally Posted by FloaterNorthWest View Post
Point b. is incorrect in the FOBN. You do not need SBAS for APP only mode.

The RFM states that for APP mode you need the “required Level of Service” to be available.

You do not need SBAS for RNP approaches to LNAV minima. (FLM 2.5.7.1).

You can see this in the aircraft if you do a LPV or LNAV/VNAV and you switch both SBAS off on the GTN.

I have seen what has been described above I.e no change to APP mode from NAV and on the second approach it worked. Without knowing every button push and set up its hard to know if it’s user error, database error or Helionix related.

I would suggest raising a WebTek with us and attach a download of the flight file for analysis.

I will see if I can get some information from our Flight Test department or Tech Reps.

FNW
​​​​​​ Thanks FNW. I'll see what it gives me during another approach.

​​​I'll do the needful.
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