I'll propose this as I did to the guy with the leaky H16 - purposely fill the mast (while it's horizontal) with water from a garden hose (drill out a rivet or something). then watch for the water to drain out at another location.<br><br>[color:blue][b]Jake
<br>[color:blue][b]Nacra 5.2 (2112)
<br>[color:blue][b]Hobie 18 (???)