Armstrong MA (Mid Aspect) V1 MA625: a legacy wing, no longer in Armstrong's current range. 625 cm², 690 mm span, aspect ratio 7.60. The current wings that match it within ±5% area and ±8% aspect ratio, 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 | -4.0% | 7.70 | +1.3% | 680 | C2 Mid-low aspect |
| Takuma | Kujira II Front Wing Kujira II 650 | 650 | +4.0% | 7.40 | -2.6% | 690 | C2 Mid-low aspect |
| GONG | Ypra Surf Carve V3 Atmo S | 620 | -0.8% | 8.20 | +7.9% | 710 | C2 Mid-low aspect |
| Duotone | Carve 3.0 D/LAB 650 | 650 | +4.0% | 7.20 | -5.3% | 680 | C2 Mid-low aspect |
| Naish | Ultra Jet Front Wing Ultra Jet 650 | 650 | +4.0% | 7.11 | -6.4% | 680 | C2 Mid-low aspect |
| F-One | SK8 HM Carbon (T2) SK8 HM CARBON 650 | 650 | +4.0% | 8.10 | +6.6% | 725 | C2 Mid-low aspect |
| Family | MA (V1) |
|---|---|
| Size | MA625 |
| Area, cm² | 625 |
| Area basis | unknown |
| Span, mm | 690 |
| Chord, mm | — |
| Aspect ratio | 7.60 |
| Band | C2 Mid-low aspect |
| Brand files it under | Surf / carve |
| Disciplines | wing, tow, prone |
| Construction | carbon |
| Model year | 2022-2024 |
| 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.