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KNOWN PROBLEMS · SAILBOATS

Hanse problems: what to check on a used Hanse yacht

UPDATED 8 NOVEMBER 2026 · 3 FINDINGS · 3 SOURCES

Known problems on used Hanse sailing yachts and where to look: hairline cracks around the keel that show a grounding, the hull to deck connection, saildrive boots at the end of their life, faded coloured gelcoat, leaking anchor lockers and a loose saloon table on early 370s.

AT A GLANCE
Hanse
BUILDER
Hanse Yachts, a German builder of production cruising yachts
COVERS
Hanse 301, 315 and 370 from YACHT's used boat tests
DOCUMENTED BY
YACHT's used boat tests
CHECK FIRST
Hairline cracks inside around the keel; hull to deck connection; saildrive boot age; anchor locker leaks

YACHT has tested several used Hanses and likes them: well built, quick and roomy. Its checklists for used boats are short and practical, and they repeat across models.

Hairline cracks around the keel

For the Hanse 315, YACHT tells buyers to check inside around the keel for hairline cracks, which would point to grounding damage. Its used test of the older Hanse 301 gives the same advice: look for signs of running aground in the keel area.

Where to look. Lift the sole boards and check the structure around the keel bolts for hairline cracks and fresh repairs. Outside, the keel to hull joint and the leading edge of the keel for impact damage.

Hull to deck connection

On the 315, YACHT's first point is to make sure the hull to deck connection is still intact. Check along the joint inside for stains and movement, and outside for cracks along the rubbing strake or toe rail.

Saildrive boots

The 315 runs on a saildrive with a folding prop. Given the years the boats were built, YACHT says the saildrive boot is often still the original and has reached the end of its service life.

Where to look. The boot's date and condition where you can see it, the drive oil for water, and the anode. Ask when the boot was last changed.

Coloured gelcoat

Many Hanses left the yard with coloured gelcoat. YACHT notes it fades: on the 315, buyers should plan to have the hull painted if it hasn't been already, and on the 301 it lists faded coloured gelcoat among the typical weak points.

Model details

  • Hanse 301: a possibly leaking anchor locker, and an engine installed close in, which may have discouraged regular maintenance.
  • Hanse 370: on early build numbers the saloon table was only pinned to the floor and could tear loose. YACHT says buyers should check it. The 370 was also offered laminated in epoxy for better osmosis resistance and bonding, so ask which build the boat is.
  • Hanse 315: some boats still have wickerwork in the hatch doors, which ventilates well but is delicate.

What to check on a Hanse

Area What to look for Source of the concern
Keel area inside Hairline cracks, repairs YACHT, Hanse 301 and 315
Hull to deck connection Leaks, movement, cracks YACHT, Hanse 315
Saildrive boot Age, water in the oil YACHT, Hanse 315
Coloured gelcoat Fading, previous painting YACHT, Hanse 301 and 315
Anchor locker on the 301 Leaks into the boat YACHT, Hanse 301
Saloon table on early 370s Pinned fixing that can tear loose YACHT, Hanse 370

Writing it up

"Saildrive boot: appears original, date not legible, surface crazed, and older than the maker's replacement interval going by the build date. Recommend the boot is replaced at the next haul-out." Note the saildrive model and any date code you can read.

Findings to look for on a Hanse

Each page shows how the defect is found, what decides the grade and example findings written up at A, B and C.

HULL AND STRUCTURE

Grounding damage

What a hard grounding does to a fin keel boat, where the hull splits, what a keel smile means, what a surveyor checks inside and out and three example findings graded A, B and C.

How to find and write it up
HULL AND STRUCTURE

Hull to deck joint leak

How hull to deck joints are built, where leaks really come from, how a surveyor traces water at the joint, what repair involves and three example findings graded A, B and C.

How to find and write it up
HULL AND STRUCTURE

Gelcoat stress cracks

What star cracks and parallel gelcoat cracks say about a fibreglass boat, how a surveyor tells crazing from structural cracking, what repair involves and three example findings graded A, B and C.

How to find and write it up

Frequently asked

What should I check on a used Hanse 315?

YACHT says to make sure the hull to deck connection is intact, check inside around the keel for hairline cracks that would show a grounding, and expect the saildrive boot to be due, given the boats' age. Many Hanses were delivered with coloured gelcoat that may need painting.

Do Hanse yachts have grounding problems?

YACHT's used tests of the 301 and 315 both tell buyers to look for signs of running aground in the keel area, including hairline cracks inside around the keel. That's the same check any fin keel production boat needs.

What is the saloon table issue on the Hanse 370?

YACHT notes that on early build numbers the saloon table was only pinned to the floor and could be torn loose, and says buyers should check it.

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