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Forum: Tech Log

27th Apr 2024, 07:42

Replies: 9

Remaining within approach RNP could put you low on approach?

Views: 1,675

Posted By TeeS

Yep, that's about it apple. The way I think...

Yep, that's about it apple.

The way I think about it is that the rectangle shows the area that, when your nav system tells you that you are over the waypoint, the geeks have calculated that there...

Forum: Tech Log

26th Apr 2024, 20:59

Replies: 9

Remaining within approach RNP could put you low on approach?

Views: 1,675

Posted By TeeS

Hi again applecrumble In the attached...

Hi again applecrumble

In the attached screenshot, I have overlaid the fix tolerance areas and protection areas for an LNAV approach on runway 27 at EGBJ in the UK.

The fix tolerance area at the...

Forum: Tech Log

25th Apr 2024, 13:12

Replies: 9

Remaining within approach RNP could put you low on approach?

Views: 1,675

Posted By TeeS

Hi applecrumble Every fix, whether based on...

Hi applecrumble

Every fix, whether based on NDB/DME, DME/VOR etc. or RNP has a 'fix tolerance area'. In the case of an RNP 0.3 fix, this is given by a 'cross-track tolerance' (XTT) equal to the...

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