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Forum: Tech Log

7th Apr 2024, 05:56

Replies: 19

YMML MEHT

Views: 1,965

Posted By FlightDetent

Thus, the old adage "PAPI is unreliable (for...

Thus, the old adage "PAPI is unreliable (for landing) below 200ft" is only correct by coincidence. Light-beams don't bend, yet for most but very few select airplanes they are just coming from the...

Forum: Tech Log

7th Apr 2024, 05:28

Replies: 19

YMML MEHT

Views: 1,965

Posted By FlightDetent

In the US, the distance marker stays at 305 m...

In the US, the distance marker stays at 305 m (=1000') but PAPI can still be further down to accommodate the 747 and assure MLG clearance.
...

Forum: Tech Log

7th Apr 2024, 05:25

Replies: 19

YMML MEHT

Views: 1,965

Posted By FlightDetent

The idea here was rather to avoid splitting the...

The idea here was rather to avoid splitting the hair on 50ft-3 deg VS. GP signal VS 300 marker VS antenna anchor,

and instead, share insight on the geometry why PAPI indication for the little...

Forum: Tech Log

7th Apr 2024, 04:38

Replies: 19

YMML MEHT

Views: 1,965

Posted By FlightDetent

Yes, shows my age a bit. The term "precision" is...

Yes, shows my age a bit. The term "precision" is today (well inside the era of 2D/3D nomenclature) defined by the delivered performance (result) as opposed to my education time when it was directly...

Forum: Tech Log

6th Apr 2024, 17:56

Replies: 19

YMML MEHT

Views: 1,965

Posted By FlightDetent

pictures: ...

pictures:

https://cimg8.ibsrv.net/gimg/pprune.org-vbulletin/1083x1440/horizontal_6ed642ac03469061cf6119e4e131a8146dac02ba.jpg

...

Forum: Tech Log

6th Apr 2024, 17:53

Replies: 19

YMML MEHT

Views: 1,965

Posted By FlightDetent

This may not be very intuitive to a larger pool...

This may not be very intuitive to a larger pool of us, and seeing through it (pun intended) requires just a little education, beyond the typical frontline curriculum.

Key takeaways:

+ 3 deg...

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