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KNOWN PROBLEMS · POWERBOATS

Hatteras problems: what to check on a used Hatteras

UPDATED 9 NOVEMBER 2026 · 3 FINDINGS · 2 SOURCES

Known problems on used Hatteras yachts and where to look: bottom blisters, balsa cored hull sides and decks, foam cored decks on the 39 Sport Express, an engine room reached from under the cockpit seat, tight spacing between the engines and breakers placed in the engine room.

AT A GLANCE
Hatteras
BUILDER
Hatteras Yachts, a US builder of convertibles and motor yachts
COVERS
Hatteras construction in general and the 39 Sport Express, from David Pascoe's reviews
DOCUMENTED BY
Surveyor David Pascoe's published reviews
CHECK FIRST
Bottom blisters; wet core where equipment was added to cored decks; engine room access and what can be reached; where the breakers are

Pascoe rated Hatteras balsa cores so highly that he challenged readers to find one with a core problem. His reviews still point to the things that come up on used ones: water in the bottom, water in the core, and engine rooms that are hard to work in.

Blisters

Pascoe calls Hatteras one of the worst offenders for blistering. He puts it down to painted hulls, gelcoats prone to blistering, and lower quality resins, since gelcoat alone doesn't explain it.

Where to look. The whole bottom out of the water: blister size and density, and whether it's been peeled or barrier coated before. Moisture readings on a grid. See osmotic blistering.

Balsa and foam cores

Pascoe says Hatteras built mostly balsa cored boats, with cored hull sides, and decks and house tops always balsa cored. He rates the balsa highly, and quiet interiors come from it too. The 39 Sport Express is different: its decks are foam cored, the bottom solid glass and, as far as he could tell, the sides solid too. The stringers are top hat sections with no wood other than the bulkheads.

Where to look. Around every fitting added to the bridge and decks, and the underside of overhangs for drips and stains. See wet deck core.

Engine room access on the 39 Sport Express

On boats with the optional cockpit seat, the seat lifts on gas struts to reveal a Z-shaped hatch with no hinges that has to be lifted out, on hands and knees under the raised seat. Pascoe calls it intolerable. The engine room was designed for inline 6-71 diesels; the boat he saw had V92s, which sit close together, and he was burned getting between them hot. Hatches have deep gutters and good drainage, and are hard to lift.

Where to look. Whether the boat has the optional seat. Allow time for access, inspect the outboard sides of the engines, the hoses and the exhaust, and list what you couldn't reach. See exhaust hose.

Breakers in the engine room

Pascoe says Hatteras is known for putting electrical panels in odd places. On the 39 Sport Express, the cabin panel holds only the main AC and DC breakers; nearly all the others are in the engine room.

Where to look. Find every panel before the sea trial, and note that resetting a breaker means going into the engine room.

What to check on a Hatteras

Area What to look for Source of the concern
Bottom Blisters, previous treatment Pascoe, Hatteras introduction
Cored decks and hull sides Wet core around added equipment Pascoe, Hatteras introduction
Foam cored decks on the 39 Sport Express Wet core around fittings Pascoe, 39 Sport Express
Engine room entry with the optional seat Access, what can be reached Pascoe, 39 Sport Express
Space between the engines Hot surfaces, hoses and exhaust you can't reach Pascoe, 39 Sport Express
Breakers Most of them in the engine room Pascoe, 39 Sport Express

Writing it up

"Bottom, both sides below the waterline: blisters 5 to 15 mm across over about 30% of the area, densest aft, no previous barrier coat seen. Moisture readings high across the bottom against the topsides reference. Recommend the bottom is assessed by a specialist for peeling, drying and barrier coating, with the cost reflected in the offer." Note the blister sizes and where they are densest.

Findings to look for on a Hatteras

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

Osmotic blistering

What osmotic blistering is, how a surveyor tells it from paint blisters, which moisture readings matter, what treatment costs per foot and three example findings graded A, B and C.

How to find and write it up
HULL AND STRUCTURE

Wet deck core

How water gets into a cored deck, how a surveyor maps it with a moisture meter and a hammer, which readings to trust, what recoring costs and three example findings graded A, B and C.

How to find and write it up
ENGINE AND FUEL

Exhaust hose

How wet exhaust hose fails, what to look for at the clamps and along the run, why a cooling failure cooks the hose before the engine gauge moves, what a surveyor checks and three example findings graded A, B and C.

How to find and write it up

Frequently asked

Do Hatteras yachts blister?

David Pascoe calls Hatteras one of the worst offenders for blistering, which he puts down to painted hulls, gelcoats prone to blistering and lower quality resins. Survey the bottom out of the water on any Hatteras and ask whether it has been peeled or barrier coated.

Are Hatteras balsa cored hulls a problem?

Pascoe says Hatteras built mostly balsa cored boats, with cored hull sides and decks and house tops always balsa cored, and he rates the balsa highly. On the 39 Sport Express, the decks are foam cored instead. Check the core wherever equipment was added later.

What should I check on a Hatteras 39 Sport Express?

Pascoe found the engine room hard to enter on boats with the optional cockpit seat, the engines close together so it's easy to get burned, and nearly all the breakers in the engine room. The bottom and sides are solid glass and the decks foam cored. Hatches have deep gutters but are hard to lift.

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Other builders

All builders
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Bertram

Known problems on used Bertram sportfishermen and where to look: hull skin delamination on a Bertram 63 and the sinking of a 630, foam cored hull sides on the 30 Moppie, tight engine rooms under heavy seating on the 36 Moppie, electronic engine controls, and a USCG recall on the 28, 34, 39 CCS and 28 XC.

What to check
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Mainship

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What to check
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What to check
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Sea Ray

Known problems on used Sea Ray boats and where to look: balsa cored bottoms on the larger boats, hull to deck joints, stringers, fuel tanks and exhausts, from a surveyor's published reviews and the USCG recall list.

What to check
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Known problems on used Grady-White boats and where to look: plywood transoms and stringers on some models, aluminium fuel tanks that can't be reached, and screws through the foredeck, from a surveyor's reviews and the builder's construction.

What to check
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Known problems on used Boston Whaler boats and where to look: water in the foam core and the stress cracks it causes, glued grid liners with no access, open motor wells, and USCG recalls on the Conquest, Outrage, Dauntless and 190 Outrage.

What to check

Report templates

FREE TEMPLATE · WORD

Pre-purchase survey

A free Word template for a yacht pre-purchase survey report: every section explained, example wording, the sea trial and valuation, and example findings graded A, B and C.

Open template
FREE TEMPLATE · WORD

Out of water survey

A free Word template for an out of water boat survey report: the hull below the waterline, moisture readings, running gear and through-hulls, with example wording and example findings graded A, B and C.

Open template
FREE TEMPLATE · WORD

Engine survey

A free Word template for a marine engine survey report: engine records, visual inspection, cold start, readings under load, oil analysis and conclusions, with example findings graded A, B and C.

Open template

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