How to Inspect Sailboat Lifelines, Stanchions and Gates

Start at the bow pulpit and work around the boat. Photograph each gate, end fitting and stanchion base. Label port and starboard. These photos also help if you later order replacement lifelines.

Every clevis pin should have a cotter pin or ring in place, and every turnbuckle should be locked so it can't unscrew. Replace bent or missing pins. Tape over cotter pins and ring ends so they don't snag hands or sails.

Swaged and crimped end fittings are the usual weak spot. Studies summarized by BoatUS and West Marine point to wire pulling out of a swage as a common failure. Clean each fitting with a nylon pad, then look with a magnifier for:

• Hairline cracks along the swage barrel
• Rust where the wire enters the fitting
• A bent or banana-shaped fitting
• Broken strands sticking out at the fitting

For uncoated wire, BoatUS suggests wrapping tissue loosely around the wire and sliding it along the full length both ways. Any broken strand (a "fishhook") snags the paper. Hold it lightly, or the wire will snag your hand instead.

On vinyl-coated wire, look for cracked, yellowed, chafed or swollen coating and rust staining, especially near the ends where the coating was cut back for the fitting. Don't tape over damaged coating; it traps water. Damaged coating means replacing that lifeline.

On synthetic lifelines, look for fuzzy or flattened areas where they rub stanchions, faded stiff rope from UV, and splices that have crept or opened.

Open and close each gate. The pelican hook should close firmly and the bail should not open easily by itself. BoatUS and West Marine both recommend taping pelican hooks closed (or using a pin if the hook accepts one) so a knee or sheet can't knock them open. Replace worn hooks; West Marine notes newer over-center style hooks are an upgrade option.

If the lifelines are tied to the pulpit with lashings instead of turnbuckles, BoatUS recommends replacing the lashings every year, keeping them short, and making them as strong as the wire. If the lashing is designed to be cut to drop the lifelines for a crew-overboard pickup, make sure everyone aboard knows it.

Slack the lifelines, then push each stanchion firmly side to side. A little play between the stanchion and its socket is normal; BoatUS says flexing of the deck itself is not. Look for:

• Loose set screws or bolts holding the stanchion in its base
• Gelcoat cracks around the base (a sign of load on a thin deck)
• Bent stanchions, cracked welds or rust at the base
• A stainless stanchion in an aluminum base, which corrodes; BoatUS says to replace mismatched parts

Tighten loose screws. A base that moves with the deck needs to come off for a backing plate check and rebedding.

From inside the boat, look under each stanchion base. It should be through-bolted with nuts and a solid backing plate, not just screwed into the deck. Water stains or a soft deck around a base mean it is leaking into the core: rebed it (see /guides/deck-hardware-rebedding) and check the core (see /guides/deck-core-moisture).

Bow pulpits and stern rails usually have welded bases. Check every weld for hairline cracks and rust, and check the lifeline attachment eyes for bending. BoatUS warns that solar panels, outboard brackets, davits and grills hung on the stern rail add loads it wasn't built for; mount heavy gear independently if you can.

BoatUS cites ABYC's minimum of 24 inches for the top lifeline, with 36 to 42 inches preferred, and a lower lifeline no higher than about 9 inches off the deck so an adult can't roll under it. Other standards land in the same range: the 2024 revision of ISO 15085, as summarized by the European standards body CEN, sets minimum heights of about 450 mm (roughly 18 inches) for a "low" overboard barrier and 600 mm (roughly 24 inches) for a "high" one. Racing boats have their own height table in World Sailing's Offshore Special Regulations. Practical Sailor goes further and recommends at least 28 inches on boats used in open water, since people don't get shorter on smaller boats. Which figure applies to your boat depends on its size, its design category and whether you race, so check the current standard rather than relying on these numbers. Tighten the lines so they're snug but not bending the stanchions. BoatUS's rough check: pressing down at midspan with your thumb (arm muscles only), the line shouldn't move more than about two inches. Typical; confirm against your boat's design.

If you sail with children or pets, lifeline netting stops small bodies (and headsails) from sliding under the lower line. BoatUS suggests attaching it with whipping twine rather than plastic zip-ties, which go brittle in the sun and are harder to cut in an emergency. Inspect the netting once or twice a season.

For night or offshore sailing, rig jacklines from strong cleats or dedicated padeyes, never from stanchions or the pulpit. BoatUS suggests flat webbing, which won't roll underfoot like wire, and running a single jackline down the centerline where possible so a crew member who slips falls onto the deck rather than over the side.

Replace lifelines when you find rust, broken strands, cracked swages, damaged coating or UV-worn rope, or when coated wire reaches about five years old. West Marine suggests taking the old lifelines to a rigging shop so they can be duplicated exactly. Replace questionable turnbuckles, pelican hooks and toggles at the same time.