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Autobrake Landing Distance Calculation

In order to calculate the Landing Distance with the different Autobrake settings, use one of the following formulas below.

Rule Of Thumb

Autobreak LOW

Landing Distance = Grossweight (GW) in tons [t] x 30

Autobreak MEDIUM

Landing Distance = Grossweight (GW) in tons [t] x 20

Wet Runway

Landing Distance = Calculated LD in meters [m] + 15%

Examples

Use these examples to help with the calculation.

Autobrake LOW

Example with AutoBreak LOW and a Grossweight (GW) of 60 [t].

LD = Grossweight (GW) in tons [t] x 30

Example

With a GW of 60 [t] the calculation would be as follows:

LD = 60 [t] x 30 = 1800 [m] required Landing Distance

Autobrake MEDIUM

Example with AutoBreak MEDIUM and a GroundWeight of 60 [t].

LD = Grossweight (GW) in tons [t] x 20

Example

With a GW of 60 [t] the calculation would be as follows: LD = 60 x 20 = 1200 [m] required Landing Distance


Wet Runway

Caution

In case the runway is wet, add another 15% to that.

Taken the example above, with a calculated Landing Distance of 1200 [m], the calculation for a wet runway would be:

1200[m] + 15% (180[m]) = 1380 [m]


Warning

Only for Flight-Simulation!

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