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PROFILE CLB did't follow the restriction


CSN328

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Hi, 

Thanks for your post. 

The A300's PROFILE mode will not respect CST in CLB only DES. It's a strange system but from what I understand the reason for this is the level off is not command in the same way. So when you are in LVL change you will get ALT* and then ALT. In P.CLB you have no transition mode and with the very high climb rates of the A300 it will bust the level-offs in P.CLB, so the system was never made to level off for CST in CLB.

Many thanks, 

 

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3 hours ago, Cammac said:

Hi, 

Thanks for your post. 

The A300's PROFILE mode will not respect CST in CLB only DES. It's a strange system but from what I understand the reason for this is the level off is not command in the same way. So when you are in LVL change you will get ALT* and then ALT. In P.CLB you have no transition mode and with the very high climb rates of the A300 it will bust the level-offs in P.CLB, so the system was never made to level off for CST in CLB.

Many thanks, 

 

If I was on a SID with so many restrictions and could not get unrestricted climb, I would climb using LVL CHG instead. That way you would control both Altitude and Speed. 

Mark "Crabby" Crabtree AAL311 | PHL
I7-9700KF | 2070 Super | Honeycomb Alpha/Bravo | MFG Crosswind

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