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FDC Live Cockpit! 2011

Reduction The Vref speed reduction A speed reduction in knots. If you take off using a higher flap setting than the normal flap setting, the V-speeds will be reduced by this value, making the V-calls appear earlier. (See example below.)

Speed in knots. Required:No

As an example, the Boeing 737-400 will normally use Flap 5 for takeoff. If the aircraft weighs 121,000 lbs, the V1, VR, and V2 calls will be made at 137, 140, and 149 knots respectively. If you take off using Flap 10 rather than Flap 5, the speed reduction table indicates that the Vref speeds should be reduced by 10 knots. In this case, the V1, VR, and V2 calls will be made at 127, 130, and 139 knots respectively.

Creating a performance file for the Boeing 737-400 (part II)

  • Enter Boeing 737-400 in the text box at the top of the panel.

This is the name of the aircraft that will appear in the Select Aircraft drop-down box of the Select Aircraft panel.

  • Enter 2 in the Crew text box. This populates the cockpit of the

aircraft with a Captain and a First Officer.

  • The large table at the top of the panel will contain 14 columns.

Although the default Boeing 737-400 performance file contains very detailed data for the aircraft, we will only enter three rows in the table, for various weights of the aircraft. The values are given in the table below:

W

V1

VR

V2

F0

F1

F2

F5

F10

F15

154

158

162

168

235

000

000

215

205

190

121

137

140

149

235

000

000

215

205

190

000

112

115

130

235

000

000

215

205

190

F25

F30

F40

Pitch

185

180

175

000

185

180

175

000

185

180

175

000

Aerosoft GmbH 2010

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