HOW to figure Dock & Anchor Line and Mooring Pendant

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Boat Length Dock Line Anchor Line* Mooring Pendant**
up to 20' 3/8" 3/8" 1/2"
20 - 30' 7/16" 1/2" 5/8"
30 - 35' 1/2" 1/2" 3/4"
35 - 40' 1/2" 5/8" 7/8"
40 - 50' 5/8" 3/4" 1"
*Anchor line length should be 8x the water depth.
**Mooring Pendant Only 3 strand nylon should be used for mooring pendants.
Average strengths are for new rope tested under laboratory conditions. Minimum safety factor 10:1 should be employed in determining proper size. Use recommended working loads.