Armstrong MA Mk II (Mid Aspect) MA590 hydrofoil front wing: 590 cm², 690 mm span, aspect ratio 8.00, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from Armstrong's own published specifications.
Projected and flat area run 3–8% apart. A marked area is one whose brand does not state which it publishes, so a match inside the area tolerance may be comparing unlike figures.
| Brand | Wing | Area cm² | Δ area | Aspect ratio | Δ AR | Span mm | Band |
|---|---|---|---|---|---|---|---|
| North | Sonar MA600v2 MA600v2 | 600 | +1.7% | 7.70 | -3.7% | 680 | C2 Mid-low aspect |
| Lift Foils | 92 Havoc Front Wing 92 | 594 | +0.7% | 8.50 | +6.2% | 711 | C2 Mid-low aspect |
| Naish | Siren MA Front Wing Siren 600 | 600 | +1.7% | 8.50 | +6.2% | 714 | C2 Mid-low aspect |
| GONG | Fluid H V3 FG XXS | 610 | +3.4% | 8.40 | +5.0% | 720 | C2 Mid-low aspect |
| Family | MA Mk II |
|---|---|
| Size | MA590 |
| Area, cm² | 590 |
| Area basis | unknown |
| Span, mm | 690 |
| Chord, mm | — |
| Aspect ratio | 8.00 |
| Band | C2 Mid-low aspect |
| Brand files it under | Surf / carve |
| Disciplines | wing, prone |
| Construction | carbon |
| Model year | 2025-2026 |
| Source | manufacturer |
The brand's published aspect ratio agrees with its own span and area (span² ÷ area) to within 5%, so the figure is confirmed.
See Armstrong on the plot →Data current to August 2026. Fast Bobby is the researcher, never the reviewer: every figure above is the manufacturer's published claim, converted to comparable units, and nothing here is a riding impression.