EASA Regulations for Piper PA-18

EASA SIB SAFO10007

Tundra Tire Installation/Approval for Aeroplanes Equipped with Leaf Spring Type Main Landing Gear

The Safety Alert for Operators (SAFO) 10007 titled 'Tundra Tire Installation/Approval for Aeroplanes Equipped with Leaf Spring Type Main Landing Gear' provides safety information regarding the use of oversize tundra tires, skis, and wheel/ski configurations on aircraft with leaf spring type main landing gear. It highlights the increased risk of structural failures, particularly near the axle attachment holes, with at least 32 documented accidents primarily involving aircraft such as the Piper PA-18. The document offers guidance on inspection and maintenance practices to mitigate these risks.