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Forum: Tech Log

13th Apr 2017, 17:46

Replies: 11

A30 Unreliable Speed & Flying the BUSS

Views: 5,777

Posted By Goldenrivett

Hi vilas, please see post 4. Above FL 250...

Hi vilas, please see post 4.
Above FL 250 Airbus recommend using pitch power tables and cruise pitch = 3 degs.
Below FL 250, cruise pitch = 4 degrees.

BUSS hasn't been designed for the required...

Forum: Tech Log

13th Apr 2017, 15:16

Replies: 11

A30 Unreliable Speed & Flying the BUSS

Views: 5,777

Posted By Goldenrivett

Hi vilas, You are correct. According to FCOM...

Hi vilas,
You are correct.
According to FCOM DSC-31-40: Backup Speed/Altitude Scale:
"The BackUp Speed Scale (BUSS) enables to fly the aircraft when airspeed indications are unreliable.
When the...

Forum: Tech Log

13th Apr 2017, 11:17

Replies: 11

A30 Unreliable Speed & Flying the BUSS

Views: 5,777

Posted By Goldenrivett

How so? Why couldn't you switch one (all) back on...

How so? Why couldn't you switch one (all) back on if the crew turned them off in error or when out of the condition which caused the UAS in the first place?

If you look at the QRH Unreliable...

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