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Forum: Tech Log

27th Feb 2014, 00:55

Replies: 1,033

UPS cargo crash near Birmingham AL

Views: 502,339

Posted By 7478ti

In the end it is still RNP that's needed globally

All said and done, ...since at least AL371, AL736, AL737 and before, and through the period of TWA 514 and since, ....it is [real] RNP that is actually needed, to every jet runway. And since the...

Forum: Tech Log

14th Sep 2013, 01:53

Replies: 1,033

UPS cargo crash near Birmingham AL

Views: 502,339

Posted By 7478ti

@underfire & aterps ref RNP criteria, VEB, et al

"Real"RNP is related to the criteria aligned with AC120-29A and 120-28D, as amplified by operators and entities doing the original RNP aircraft and procedure certs, representing the only criteria now...

Forum: Tech Log

10th Sep 2013, 05:17

Replies: 1,033

UPS cargo crash near Birmingham AL

Views: 502,339

Posted By 7478ti

Baro Cat II evolution to RA

@aterpster - Sounds like you may well have known my old pals W.R. and Larry DeC ! If so, you're well aware of the reasons for the eventual transition to RA (even at TWA), and the fact that the RA...

Forum: Tech Log

9th Sep 2013, 02:12

Replies: 1,033

UPS cargo crash near Birmingham AL

Views: 502,339

Posted By 7478ti

VEB is much better than that

Not so... properly implemented, VEB can be good down to about 150' or 160' HAT if scientifically applied and not subject to politically based constraints. It is only because of outdated policies and...

Forum: Tech Log

9th Sep 2013, 02:05

Replies: 1,033

UPS cargo crash near Birmingham AL

Views: 502,339

Posted By 7478ti

Long past "Time for change".

I fully concur... but that is a job for all of us, ...who are out there dealing with the uncertainties and threats of real world global aviation every day.

We have unnecessarily lost far too...

Forum: Tech Log

8th Sep 2013, 18:01

Replies: 1,033

UPS cargo crash near Birmingham AL

Views: 502,339

Posted By 7478ti

TERPS is still outdated and flawed

@ aterpster - TERPS is still severely obsolete and conceptually flawed, including the GQS (and CRM). [Real] RNP, properly implemented, is most capable of addressing KBHM 18, and virtually every other...

Forum: Tech Log

8th Sep 2013, 03:42

Replies: 1,033

UPS cargo crash near Birmingham AL

Views: 502,339

Posted By 7478ti

This was another completely unnecessary accident.

All things considered:

1. It is completely inappropriate and unnecessary to still be flying "Non-Precision" approaches in 2013 with big jets. There are vastly better ways to land, using means via...

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