Firewall Ground Effect Knot 
Plane and Pilot
JULY 1, 2025
A witness reported that they saw the airplane lift off from the runway and remain in ground effect until it crossed the departure end of the runway. After arriving at the destination airstrip the student entered left downwind for Runway 13, resulting in a right quartering tailwind of about 5 knots.
Plane and Pilot
OCTOBER 3, 2024
We routinely taxi at 1200 rpm due to the low spray…[we] can cruise at 10 knots” in displacement mode, something a Goose can’t do. Early on a speed restriction of 130 knots was applied as a flutter issue. This was resolved on the kit version and led to cruising at 50% power and 120 knots, which proved to be the Gweduck’s sweet spot.
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