Knot Normal

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Name: Knot Normal
Builder: SEA RAY
Model: 520 Sedan Bridge
Length: 52' 0" (15m)
Beam: 15' 3" (4.65m)
Year Built / Refit: 2009
Engines: 2 x Cummins CMD 670
Staterooms: 3
Flag: USA
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Vessel Walkthrough

Motivated Seller and will accept trades!

Knot Normal
is a 2010 52' Sea Ray Sedan Bridge that offers a 3 stateroom & 2 head layout. This yacht is powered by Twin Cummins 670hp Diesel engines with an Onan 13.5kw generator and also has bow and stern thrusters. This yacht is equipped with a hydraulic lift & underwater lighting. There is ample space for entertaining on the aft deck, the salon and the bridge A/C and a custom sunshade/privacy enclosure.

Knot Normal's salon is an extremely spacious area which offers an entertainment center: Bose Lifestyle 48, 5.1 surround sound system. The galley features wood flooring, solid surface counter tops, stainless steel microwave/convection oven plus Isotherm refrigerator/freezer, and much more. The dining area includes Ultraleather seating, high gloss tabletop, wood flooring, and wrap around windows for a spectacular dining experience with a panoramic view. The master stateroom is custom designed and features a full sized bed with innerspring mattress and a flat screen TV/DVD. Knot Normal has many upgrades featured in the highlights section of this listing.

Knot Normal's single helm station is located on the bridge and is equipped with dual Raymarine G120 Color LCD Screens, Raymarine ST 800 Autopilot, VHF Radio, Chartplotter, Radar, and GPS.

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  • Bow & stern thrusters
  • Hydraulic marine swim platform
  • Custom sunshade - Aft cockpit
  • Alternate cockpit layout - Removable L-Shape Aft seat w/Wet bar
  • (2) Rod holders
  • DSS Satellite System: Salon/Master/VIP/Starboard/Bridge
  • Custom designed Master Stateroom
  • Custom Sunshade/Privacy Enclosure for Bridge


  • Hydraulic marine lift swim platform: UPGRADE 
  • Underwater lighting - transom - colored lights 
  • White hull gelcoat
  • Sun Pad forward deck w/back rest
  • Dash cover, canvas
  • Black canvas/Champagne/Winter white
  • Bow rail - 316 stainless steel w/welded stanchions
  • Windlass - all chain


  • Custom sunshade: UPGRADE 
  • Alternate cockpit layout - removable L-shape aft seat w/wet bar: UPGRADE 
  • (2) Rod holders: UPGRADE
  • Built in cockpit grill
  • Cockpit refrigerator


  • DSS Satellite TV System: UPGRADE 
  • Dark cherry interior finish
  • Navy/Tan/Coral interior
  • Vacuum system
  • Light wood flooring
  • Sofa w/pull out bed
  • Entertainment center: Bose Lifestyle 48, 5.1


  • Isotherm Refrigerator & Freezer/Side by Side w/Stainless Steel front
  • Microwave/Convection Oven w/Stainless Steel front
  • Solid wood dinette tabletop
  • Mystic black counter tops
  • Light wood flooring
  • Vacuum system

Master Stateroom

  • Custom designed: UPGRADE
  • DSS Satellite system: UPGRADE 
  • Full sized bed
  • Two full length hanging lockers

Master Head

  • Separate stall shower
  • Mystic black counter top

VIP Stateroom (Port)

  • DSS Satellite TV: UPGRADE 
  • Full sized interspring mattress

Guest/Day Head

  • Separate shower stall
  • Mystic black countertops

Guest Stateroom (Starboard)

  • DSS Satellite TV: UPGRADE
  • Twin bunk bed set up


  • Custom sunshade/privacy enclosure: UPGRADE
  • DSS Satellite TV: UPGRADE 
  • Acrylic bridge enclosure
  • A/C and heating
  • Refrigerator
  • Carpeted
  • Aft bench w/storage base
  • Filler cushion for forward seating area

Helm / Electronics

  • Raymarine Raypilot ST 8002 Autopilot
  • Raymarine G120:  12.1" Color LCD - Dual Screen
  • Chartplotter/Radar/GPS w/Integrated 4kW Open Array
  • VHF Radio, Raymarine 240: w/Remote speaker & 8' fiberglass antenna

Engine Room

  • T-Cummins QSM-II 670 T2 ETS (T-641 PHP) Diesel (Hours Port 629 Starboard 762 as of 9/16)
  • Onan 13.5kW Diesel generator (Hours 880 as of 9/16)
  • Bow & stern thrusters: UPGRADE
  • Transformer, shore power - ISO boost
  • Water purifier system
  • GM batteries throughout boat
  • Macerator w/Seacock Interlock system
  • Propellers, spare w/holders (2)