Models · Highfield
Highfield Sport 660
DemoRIB (Rigid Inflatable) · 21.5–22 ft · 115–150 hp · intermediate skipper · trailerable
Aluminum-hull Highfield RIB.
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Where the joy lives
Aluminum-hull Highfield RIB. Fast, safe tenders and inshore romps; UV on tubes is the silent joy-killer.
- tender
- day boat
- exploring
Common watch-outs
- Tube UV degradation and seam peeling
- Valve leaks and under-inflation abrasion
- Transom plate and engine mount corrosion
- Floorboard / aluminum console fastener fretting
- Davit chafe on tubes when used as tender
- Hypalon vs PVC repair skill mismatch at yards
Safety notes
- Tubes are not boarding mats — use the designed boarding point.
- Life jackets on; RIBs accelerate hard and throw spray — brief guests.
Crew (approx)
Day 8
Draft (approx ft)
0.8–1.8
Used band (demo)
$10,875–$45,312
Costs — yearly care snapshot
Demo estimateEducational snapshot so surprise spend doesn't steal boat days — not a quote, not the reason you're here.
Educational demo estimate from rib · ~22 ft · outboard. Assumes 50 engine-hours/yr, trailer, sunbelt, 5-year hold. Boat day proxy = engine-hours ÷ 4. Not a quote, appraisal, or underwriting offer. Tubes are consumables on a multi-year cycle; engines are ordinary outboards. Excellent tender economics if stored out of UV. Aluminum-hull Highfield RIB.
Annual mid
$5,546
5-yr total mid
$35,596
$/good day hint
$570
Assumes 50 h/yr · trailer · sunbelt · 5-year hold. Range $3,949 – $7,544/yr.
Maintenance rhythm (clear the deck)
Tube pressure and hypalon/PVC inspection
~3 mo · UV and chafe kill tubes; patch kits aboard.
Outboard oil/filter and gear lube
~100h / ~12 mo · Same as small outboard craft.
Tube valve and glue seam check
~6 mo · Professional re-glue if peeling.
Davit / lifting point hardware
~6 mo · Tender use stresses pads and eyes.
Flush after salt
· Rinse tubes, floor, and engine after every salt trip.
Winterize engine and store tubes shaded
~12 mo · Partial deflate only per OEM; avoid creases.
Boat Day survey intel
Educational overlayAdditive survey priors from the Boat Day failure corpus — not a marine survey. Prefer a credentialed surveyor before purchase.
- tubes
- transom
Extra common issues
- Tube UV/seams
- Valve leaks
- Transom insert soft
Survey focus
- Overnight tube hold
- Transom core
- Console wiring
Campaign / bulletin diligence
- Educational: RIB tubes overnight hold + transom insert.
- Educational: tube chambers and transom inserts are the RIB survey core.
Top findings for rib
- Tube fabric UV / seam failureshigh · high
- Valve leaks and chamber imbalancehigh · medium
- Transom insert soft / motor mount playmedium · critical
- Console wiring in wet environmentsmedium · medium
- Trailer support not matching RIB hullmedium · medium
Corpus: /api/v1/datasets/survey-failures · Pre-purchase checklist · Find them online · surveyors
Cost & survey cues
Tubes are consumables on a multi-year cycle; engines are ordinary outboards. Excellent tender economics if stored out of UV. Aluminum-hull Highfield RIB.
Survey focus
- Tube fabric, seams, valves, and patches
- Transom and engine mounts
- Outboard condition
- Floor and console structure
- Lifting points / davit pads
- Trailer or chock storage wear
If budget is tight
Waterways: puget-soundchesapeake
Clear next steps
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Specs, years, and HP ranges are approximate educational demo data — not OEM specifications. Verify with manufacturer literature, a qualified marine surveyor, and current listings before purchase or service decisions.