Va Weight Adjustment Calculator

Inputs

Published Va at reference weight (Va_ref)

Use the POH/AFM Va tied to the entered reference weight.

km/h

Reference weight (W_ref)

Usually maximum gross weight for the published Va.

kg

Actual operating weight (W)

Loaded aircraft weight for this check.

kg

Results

Default result

Adjusted Va(Va)

181.3km/h

Pass

Also computed

Reduction from published Va13.1km/h

Weight ratioPass0.870

Method notes 2 notes

Uses Va_actual = Va_ref * sqrt(W_actual / W_ref).
This relation is a screening calculation only; use the aircraft-specific approved manual when it publishes different Va values or procedures.

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