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Forum: Tech Log

13th Nov 2016, 12:53

Replies: 52

Descend to MSA when "cleared approach"

Views: 22,535

Posted By aterpster

Here is an example of a useless MSA on an FAA...

Here is an example of a useless MSA on an FAA RNAV approach:

Forum: Tech Log

13th Nov 2016, 12:19

Replies: 52

Descend to MSA when "cleared approach"

Views: 22,535

Posted By aterpster

TAAs and FAA MSAs are two quite different...

TAAs and FAA MSAs are two quite different criterion.

Forum: Tech Log

7th Sep 2016, 15:25

Replies: 52

Descend to MSA when "cleared approach"

Views: 22,535

Posted By aterpster

oggers: Indeed it was. The...

oggers:

Indeed it was. The circumstances of the accident were more complex. The flight was coming from KIND. Washington Center cleared the flight to intercept the AML 301 radial some 35...

Forum: Tech Log

7th Sep 2016, 13:37

Replies: 52

Descend to MSA when "cleared approach"

Views: 22,535

Posted By aterpster

oggers: That is not the case. The...

oggers:

That is not the case. The regulations and related policy guidance were significantly changed in 1975 as a result of the 1974 TWA 514 CFIT.

That was 41 years ago. Everyone...

Forum: Tech Log

6th Sep 2016, 18:16

Replies: 52

Descend to MSA when "cleared approach"

Views: 22,535

Posted By aterpster

A Squared: Having been trained many...

A Squared:

Having been trained many times by the same training department that trained the TWA 514 crew, I doubt they had any training on MSAs, or even how to pick them off the Jepp chart...

Forum: Tech Log

5th Sep 2016, 13:25

Replies: 52

Descend to MSA when "cleared approach"

Views: 22,535

Posted By aterpster

FlightDetent: A further bit of...

FlightDetent:

A further bit of clarification. In TERPs, and I presume in PANS-OPS as well, required obstacle clearance (ROC) in feeder routes and airways must have at least 2,000 feet of ROC...

Forum: Tech Log

5th Sep 2016, 13:08

Replies: 52

Descend to MSA when "cleared approach"

Views: 22,535

Posted By aterpster

president: Thanks for the reference. I...

president:

Thanks for the reference. I quote the pertinent language:

I am not sure what the author is trying to say. In any case, it would nave no application in FAA controlled airspace. ...

Forum: Tech Log

4th Sep 2016, 14:00

Replies: 52

Descend to MSA when "cleared approach"

Views: 22,535

Posted By aterpster

GF: Attached is the chart used by the...

GF:

Attached is the chart used by the crew of TWA 514 on December 1, 1974.

Also, as you say, MSAs are not operational altitude in some countries. The U.S. is one of them. Also attached is...

Forum: Tech Log

4th Sep 2016, 13:28

Replies: 52

Descend to MSA when "cleared approach"

Views: 22,535

Posted By aterpster

president: As GF stated, it caused a...

president:

As GF stated, it caused a CFIT for TWA 514 in 1974. Caused a regulatory change in the U.S. to maintain last assigned altitude until on a published route or segment of an approach. ...

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