Approach Speed Calculator

Inputs

Landing stall speed (Vso)

km/h

Reference factor (k)

Common training arithmetic uses 1.3 x Vso, but aircraft-specific procedures control.

Steady wind (W)

km/h

Gust speed (G)

km/h

Results

Default result

Target approach speed

115.8km/h

Pass

Also computed

Base reference speed108.3km/h

Gust additive7.4km/h

Target/stall ratio1.39

Method notes 2 notes

Uses base speed = factor * Vso and gust additive = half the gust spread.
Aircraft manuals, operator procedures, runway length, conditions, gust limits and stabilized-approach criteria control actual approach speeds.

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