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NAUTICA MAGAZINE
NAVIGATION TEST

Article selected from thousand boat trials performed by Nautica in nearly 50 years

Navigation trials

Please remember that the boat model described in this article could be no more available and its price, if indicated, could be outdated as it refers to the Nautica Magazine paper issue

For possible updated information on the model tested in this article and on all other models builded by this shipyard please search our YACHTING CATALOGUE

Text and photographs by Antonio Bignami


RIVA 54 AQUARIUS

Riva Aquarius 54

We believe many yachtsmen have been waiting for this new launching, from the famous yard which has set many times the state of both yacht design and engineering and which, after some ups and downs, has finally reached its optimal course, projected to the future without disregarding tradition and elegance. By introducing the new 54 Aquarius, Riva yard has really magnetized everybody's attention at the last Genova International Boat Show; the yacht is, probably, one of the most perfect example of design, where innovation style and the unique Riva charm are masterly mixed together.

This open boat feature plenty of space outside, where sophisticated and rational solutions, such as the spacious aft sun bathing area with hydraulic gangway and tender storage area underneath, the beautiful cockpit furniture with ice-maker and gill area and the comfortable dinette with adjustable table, have been adopted with an almost perfect degree of finishing throughout, as usual on Riva's yachts. The teak and stainless steel handrail, the elegant cup-holder in the forward sun bathing area and the excellent dashboard are just some examples of the incredible attention to detailing.

However the 54 Aquarius' focal point is below deck, where the innovative-traditional concept reaches its top. The precious cabins and leaving areas are almost rarefied in their elegant sobriety with luxury wood upholstery (obtained with an advanced manufacturing technique) and the characteristic round doors. The two comfortable cabins (the "just two cabins" lay-out is purposely part of the boat's concept to ensure top-class habitability) offering the required privacy, the dinette featuring an extensible table, the fully hidden

TECHNICAL DATA

Builder: Cantieri Riva; via Predore 30; 24067 Sarnico (BG); tel.: +39-35-910202 fax: +39-35-911059
Project by: Cantieri Riva
LOA: 17.39 mt
Register length: 16.65 mt
Max. beam: 4.75 mt
GRT: 43 tons
Molded depth: 2.55 mt
Max. draft: 1.30 mt
Light displacement: 19.500 kg
Full load displacement: 23.700 kg
Max. passengers capacity: 10 persons
Engines: 2x820 hp Man D2840 LXE
Total installed power: 1640 hp
Transmission: shaft line
Engines weight (reduction gear included): 3338 kg
Light displacement to installed horsepower ratio: 11.89
Top speed (declared): 39 knots
Cruise speed: 32.9 knots
Fuel capacity: 2500 liters
Fresh water capacity: 700 liters
Berths: 4+1 in 3 cabins
Range: 370 miles at cruise speed
Cruise speed fuel consumption: 220 l/h)
Tested boat price: 1.885.000.000 (VAT not included)

Average miles range, at a given rpm, is obtained dividing the total fuel capacity (2500 liters) for the "liters/mile" corresponding to the entered rpm. Plotted fuel consumption is declared by the engines' manufacturer: tuning of the engines, weight of persons, stores, etc... on board, hull conditions and propeller type can effect the real fuel consumption.

CONSTRUCTION PARTICULARS

Hull type: V bottom with 12° deadrise
Construction material: hull side: fiberglass balsa sandwich construction, hull bottom: solid fiberglass.
Deck and particulars material: fiberglass balsa sandwich construction, stainless steel deck fittings.
Fore deck: windlass, Fortess anchor 47 kg, four cleats on each side, sun-bathing area, teak and stainless steel handrail, hatch, fore cleats, teak drink holder.
Cockpit particulars: steering station and charting area, pilot seat an settee, U shaped dinette with extensible table, aft sun-bathing area with tender storage underneath, hydraulic actuated hatch, stainless steel and toughened glass sliding entrance door to the underdeck area, teak handrail.
Swimming platform particulars: teak planking, hot and cold water shower, fully hidden hydraulic gangway, entrance door to the crew quater.
Superstructure and windows material: fiberglass radar arch, toughened glass windshield.

INTERIORS

Lay-out and main features: forward owner cabin with double bed and en-suite bathroom with separated shower, saloon area with U shaped dinette and extensible table, wet bar, fully hidden galley, guest cabin on the port side with double bed or twin beds on request, guest cabin< on the starboard side with separated shower, leather upholstery, velvet-feel exotic woods, aft crew cabin (access from the cockpit) with bed, locker, separated bathroom and stereo system.
Steering station: six persons settee, wheel, throttles, compass, engines alarms, gauges and instruments, auto-pilot, depth sounder, GPS (connected to the auto-pilot), horn, log, search light, VHF, chart table to the starboard side.
Galley: fully hidden with sink and ceramic-glass cooking top, blower, six persons dinner-set, refrigerator, freezer, microwave oven, hanging lockers, storage lockers and drawers.

ACCESSORIES

Standard equipment: salt water deck washing plant, 220 v shore line socket and telephone plug, cockpit refrigerator and ice-maker, stereo system with CD player in the saloon, reversible air conditioning, convertible top, chain washing pump.
Optional: Riva meteo station, plotter, radar, SSB.

TRIAL RESULTS

SEA AND WEATHER CONDITIONS AT TRIAL TIME
wind: -
sea state: calm

OBSERVED PERFORMANCES
Planning time: 7 seconds
Minimum planning speed: 21/22 knots at 1400 rpm
Top speed: 39 knots at 2400 rpm (1640 hp)

PERFORMANCE EVALUATION

Seakeeping: the boat feature excellent stability and gives a safety feeling, soft wave impact (tested crossing the course of the support boat). Maneuverability is always safe and effective, while turns are smooth and precise.
Rudder and trim tabs response: very effective and precise.
Visibility: always excellent.
Docking capabilities: the perfect position of deck mooring equipment, together with comfortable side walkways allow safe docking maneuvers; the boat feature excellent maneuverability in narrow waters.

COMFORT AND FUNCTIONALLY EVALUATION

Deck: safe to walk and completely fitted; the teak and stainless steel handrails are very practical and elegant.
Interiors: outstanding elegance throughout with perfect joiner work and finishing. The internal lay-out with only two spacious cabins and bathrooms is in our opinion an excellent design choice. Pleasing internal lighting solutions.
Passengers comfort: excellent under way, while the well conceived interiors ensure the required privacy.
Steering comfort: very good, thanks to the comfortable pilot seat and the well placed and complete dashboard.
Chart table: two charting areas are available to the dashboard's starboard side.
Galley: very nice and elegant with quality accessories.
Bathrooms: spacious, with excellent finishing and plenty of light.
Engine room space: the entrance door is sufficiently comfortable, while the spacious engine room ensure practical maintenance works.
Electrical plant: rationally and elegantly placed.

WHAT WE LIKED MOST
the unsurpassed Riva style, masterly mixed with innovation and up-to-date technology.
WHAT WE LIKED LESS
the engine room entrance door.