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Like many older GRP (Glass Reinforced Plastic) boats, Etap 21i models may develop hairline "spider cracks" in the gelcoat. These are often cosmetic but should be monitored for water intrusion into the foam core. Maintenance & Repair Tips
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A documented issue involves longitudinal cracks in the gelcoat of the fiberglass rudder blades. In some cases, these cracks penetrate deep into the fiberglass, potentially leading to catastrophic failure under high-stress conditions like Force 4–5 winds.