diff --git a/internal/modes/decoder.go b/internal/modes/decoder.go
index 4dd74cb..97bafab 100644
--- a/internal/modes/decoder.go
+++ b/internal/modes/decoder.go
@@ -621,10 +621,6 @@ func (d *Decoder) decodeVelocity(data []byte, aircraft *Aircraft) {
 		// Calculate ground speed in knots (rounded to integer)
 		speedKnots := math.Sqrt(ewVel*ewVel + nsVel*nsVel)
 
-		// Validate speed range (0-600 knots for civilian aircraft)
-		if speedKnots > 600 {
-			speedKnots = 600 // Cap at reasonable maximum
-		}
 		aircraft.GroundSpeed = int(math.Round(speedKnots))
 
 		// Calculate track in degrees (0-359)