PPRuNe Forums - Airbus (320) RA discrepancy

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Jetset320

28th November 2009 17:05

Airbus (320) RA discrepancy

Especially in light of the recent red OEB, I cannot seem to find a reference to the maximum allowed RA discrepancy on the ground. Sometimes there are a few feet difference between RAs. Surely some limitation must exist?

Graybeard

29th November 2009 02:54

If there is not a consistent difference from one plane to the next, or one flight to the next, I would question a mechanic. They have to be consistent.

GB

scorpilot

1st December 2009 12:59

supp procs fcom 3 check altitude tolerances under Nav chapter...might get some help there...cheers

Jetset320

3rd December 2009 19:22

scornpilot; actually Fcom 3 (3.03.34) refers to altimeters but not Radio Altimeters.

Graybeard; that leaves a grey-area....... not very typical of airbus!

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