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Forum: Tech Log

11th Feb 2017, 09:10

Replies: 38

Airbus Approch Speed: VLS versus 'S' Speed

Views: 23,653

Posted By donpizmeov

Citation, so you see my point then. Some pilots...

Citation, so you see my point then. Some pilots don't understand what they are doing, and don't understand why you can only fly selected speed when below manoeuvre speed.

Forum: Tech Log

9th Feb 2017, 08:34

Replies: 38

Airbus Approch Speed: VLS versus 'S' Speed

Views: 23,653

Posted By donpizmeov

How much manoeuvring are you doing when at Vref?...

How much manoeuvring are you doing when at Vref? Hmmm I wonder if that's why there is a difference in the margin.

Forum: Tech Log

8th Feb 2017, 11:45

Replies: 38

Airbus Approch Speed: VLS versus 'S' Speed

Views: 23,653

Posted By donpizmeov

With flaps full VLS is Vref. So you fly at Vapp...

With flaps full VLS is Vref. So you fly at Vapp which is the same as any other aeroplane. You see my point then.

Forum: Tech Log

8th Feb 2017, 05:04

Replies: 38

Airbus Approch Speed: VLS versus 'S' Speed

Views: 23,653

Posted By donpizmeov

Sadly citation2, most who like to fly close to...

Sadly citation2, most who like to fly close to VLS have no idea of the implications of doing so, and can't quantify any gain in performance for being there. Just knowing it's the lowest selectable...

Forum: Tech Log

7th Feb 2017, 03:27

Replies: 38

Airbus Approch Speed: VLS versus 'S' Speed

Views: 23,653

Posted By donpizmeov

Represented by the top of an amber strip along...

Represented by the top of an amber strip along the airspeed scale on the PFD.

Computed by the FAC, based on aerodynamic data, and corresponds to 1.13 VS during
takeoff, or after a touch and go.
...

Forum: Tech Log

6th Feb 2017, 14:59

Replies: 38

Airbus Approch Speed: VLS versus 'S' Speed

Views: 23,653

Posted By donpizmeov

If you activate the approach phase and manage the...

If you activate the approach phase and manage the speed will it go to VLS or will it target S F speed as appropriate? If you apply speed brake what happens to your VLS? Take flap 2. The fuel penalty...

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