Armstrong MA Mk II (Mid Aspect) MA690
- 690area, cm²
- 767span, mm
- 8.00aspect ratio
- Mid-lowaspect · AR 6.0 – 8.5
Family MA Mk II Brand’s category Surf / carve Disciplines wing, prone carbon · 2025-2026
The closest current wings from other brands — every one within ±5% of area and ±8% of aspect ratio, ranked closest first. The closest with a traced outline, the GONG Ypra Freestyle V3 M (#2), is already drawn over it. Select a numbered wing to draw it — up to three at a time.
The MA Mk II runs 8 sizes, 490–1,390 cm², and holds its proportions across the range: every size publishes an aspect ratio within 5% of the others.
Its 767 mm span is 4% narrower than typical for the area — the median across the 110 current wings within 10% of its size is 799 mm.
Closest wings from other brands
Projected and flat area run 3–8% apart. A marked area is one whose brand does not state which it publishes, so a comparison inside the area tolerance may be comparing unlike figures.
| Brand | Wing | Area cm² | Δ area | Aspect ratio | Δ AR | Span mm | Band |
|---|---|---|---|---|---|---|---|
| Code Foils | X Series Front Wing 700X | 700 | +1.4% | 8.20 | +2.5% | 755 | Mid-low aspect |
| GONG | Ypra Freestyle V3 M | 680 | -1.4% | 7.80 | -2.5% | 730 | Mid-low aspect |
| Unifoil | Aggression 105 | 677 | -1.9% | 8.10 | +1.2% | 740 | Mid-low aspect |
| F-One | SUSHI UHM Carbon 680 | 680 | -1.4% | 7.70 | -3.7% | 725 | Mid-low aspect |
| KT Foiling | Halo 670 | 670 | -2.9% | 8.00 | +0.0% | 725 | Mid-low aspect |
| GONG | Fluid H V3 FG XS | 710 | +2.9% | 8.40 | +5.0% | 770 | Mid-low aspect |
| Sabfoil | Medusa PRO 769 | 700 | +1.4% | 8.44 | +5.5% | 769 | Mid-low aspect |
| ENSIS | INFINITY ACE Front Wing 690 | 690 | +0.0% | 7.50 | -6.2% | 720 | Mid-low aspect |
| Sroka | S-Foil 670 S HA | 670 | -2.9% | 7.50 | -6.2% | 700 | Mid-low aspect |
| Sabfoil | 707 Balz Muller Limited Müller | 661 | -4.2% | 7.55 | -5.6% | 707 | Mid-low aspect |
| GONG | Curve H V3 FG XS | 720 | +4.3% | 8.40 | +5.0% | 780 | Mid-low aspect |
| GONG | Ypra Surf Carve V3 Atmo M | 720 | +4.3% | 8.20 | +2.5% | 770 | Mid-low aspect |
| KT Foiling | Instinct 720 | 720 | +4.3% | 8.12 | +1.5% | 765 | Mid-low aspect |
| GONG | Ypra Freestyle Micro V3 Atmo M | 660 | -4.3% | 7.40 | -7.5% | 700 | Mid-low aspect |
| North | Sonar MA700v2 | 700 | +1.4% | 7.40 | -7.5% | 720 | Mid-low aspect |
Specifications
| Family | MA Mk II |
|---|---|
| Size | MA690 |
| Area, cm² | 690 |
| Area basis | unknown |
| Span, mm | 767 |
| Chord, mm | — |
| Aspect ratio | 8.00 |
| Band | Mid-low aspect |
| Brand’s category | Surf / carve |
| Disciplines | wing, prone |
| Construction | carbon |
| Model year | 2025-2026 |
| Source | manufacturer |
The brand publishes this aspect ratio, but its own span and area (span² ÷ area) give a figure 5–10% away. The published number is kept and marked.
Data current to August 2026. Every figure above is the manufacturer's published claim, converted to comparable units.