North Sonar MA850v2 MA850v2 hydrofoil front wing: 850 cm², 780 mm span, aspect ratio 7.20, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from North'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 |
|---|---|---|---|---|---|---|---|
| GONG | Ascent V3 M | 870 | +2.4% | 7.00 | -2.8% | 780 | C2 Mid-low aspect |
| ENSIS | INFINITY ACE Front Wing 840 | 840 | -1.2% | 7.50 | +4.2% | 795 | C2 Mid-low aspect |
| RRD | Universal Mantaray Front Wing Y30 850 | 850 | +0.0% | 6.70 | -6.9% | 760 | C2 Mid-low aspect |
| Takoon | XS-Glide Front Wing 820 | 820 | -3.5% | 7.50 | +4.2% | 786 | C2 Mid-low aspect |
| Family | Sonar MAv2 (Mid Aspect / Freeride) |
|---|---|
| Size | MA850v2 |
| Area, cm² | 850 |
| Area basis | unknown |
| Span, mm | 780 |
| Chord, mm | — |
| Aspect ratio | 7.20 |
| Band | C2 Mid-low aspect |
| Brand files it under | All-round / freeride |
| Disciplines | wing, prone, kite, wake |
| Construction | carbon pre-preg |
| Model year | 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 North 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.