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Thread: A330 Vfe CONF 2
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Old 10th Mar 2014, 17:29
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Rubber Dog
 
Join Date: Jul 2000
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Fairly straight forward and you pretty much answered it yourself. The following txt is from FCOM DSC 27/30/10 but think of it as working in the extension sense and not busting the speed limit

FLAP LOAD RELIEF SYSTEM (FLRS)
Applicable to: A330-243
Only available in CONF 2, 3, or FULL. When activated, the system retracts the flaps to the deflection
corresponding to the next retracted lever position.
Auto retraction of the flaps only occurs in case of VFE exceedance (VFE +2.5kt).
If speed is reduced below VFE (VFE -2.5kt), flaps return to their normal (selected) position.
In CONF 2, auto retraction results in CONF 1* (20° slats/8° flaps).
In CONF 3, auto retraction results in CONF 2* (23° slats/14° flaps).
These configurations can be obtained only by FLRS activation.
Note: 1. When FLAPS 1 is selected, VFE of CONF 1 or CONF 1 + F is displayed, depending on the
actual configuration. In approach, VFE next is 205kt (VFE of CONF 1*).
2. When FLAPS 2 is selected in approach, VFE of CONF 2 or CONF 1* is displayed,
depending on the FLRS activation.

Also the two different Flap positions (Slat is the same) for the Lever in position 2 is...

Lever position 2, Slats 20, Flaps 8 For the Vfe of 205kts. It corresponds to Config1* as it is called.
Or once below the appropriate speed of 196 kts then Slats 20, Flaps 14

So after all that, Yes you can select two when you are below the amber dashes. The system will only put out the appropriate amount of surface for the appropriate speed. The full amount of that selection will come out below the 196. Some people I fly with are very reluctant to select Flap 2 at the higher end as it is a bit too close for comfort for them. They view it as doing something a bit untoward and using the system to protect you. I don't see it that way at all. I see it as different stages of the same thing. I can live with whatever others prefer. I hope all this make sense?

Just noticed you mentioned SOP. Some companies may dictate differences. It is acceptable to us to select below the amber dashes ie Vfe next.

Last edited by Rubber Dog; 10th Mar 2014 at 17:44.
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