PPRuNe Forums - Perf A

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one dot right

17th May 2019 19:11

Perf A

Hi all
a large number of friends are confused as to the difference between Perf A and cat A.

approach speeds are defined as categories. Perf groups are defined as a b c or d depending on ac performance.

critically, I believe that Perf A is an aircraft capable of a loss of one engine at V1 can climb away with no change to config at a climb path of 2.5%

please help.

B737900er

19th May 2019 09:58

Aeroplanes are categorised in different performance categories.
Each group holds certain criteria to be able to be put in that group. One of them being the criteria your stated.

VinRouge

20th May 2019 08:03

Quote:

Originally Posted by B737900er (Post 10474824)

Aeroplanes are categorised in different performance categories.
Each group holds certain criteria to be able to be put in that group. One of them being the criteria your stated.

Also not to be confused with aircraft Code which is to do with the dimensions and therefore capability of taxiways and airfields to handle them.

B737900er

28th May 2019 17:01

Quote:

Originally Posted by VinRouge (Post 10475423)

Also not to be confused with aircraft Code which is to do with the dimensions and therefore capability of taxiways and airfields to handle them.

Yes, that's why I said performance :E

compressor stall

29th May 2019 05:20

Well to nit pick, aircraft performance does determine the Reference field length for the Aircraft Code :E

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