General Specifications
Regulatory File – Insert Official Number 123550 in the Vessel Number box and click “search”
Drawing – Profile & Deck Arrangment
Drawing – Cross Section
| Name | GRAVEL GERTY |
| Style | Catamaran – hydrofoil |
| Builder | Waterman Welding |
| Hull | Planning |
| USCG Certified | Yes |
| USCG Dry Dock | 2017 |
| USCG Official Number | 123550 |
| Route Certification | Rivers (Stability Letter @ Partially Protected) |
| Passenger Capacity | 48 |
| Gross Tonnage | 16 Tons |
| Net Tonnage | 8 Tons |
| Speed (approx.) | Cruising: 40 mph @ 2,00 RPM (42 gph) Maximum: 55 mph @ 2,300 RPM (52 gph) – lightship |
| Built | 2012 |
| LOA | 47.8′ |
| LWL | 37.48′ |
| Beam | 15.7′ |
| Hull Depth Depth | 5.1′ |
| Freeboard Depth | |
| Draft | Water: 2.4′ Air Draft: 13.5′ |
| Hull Material | Aluminum |
| Deckhouse Material | |
| Wheelhouse Material | |
| Tank Capacities | Fuel: 360 gallons-aluminum |
Accommodations and Layout
- The vessel is arranged with seven (60” x 18” ) bench seats one bench seat (40” x 18”) and one bench seat (18” x18”) port and seven (60” x 18” ) bench seats one bench seat (40” x 18”) and one bench seat (18” x18”) starboard with a locker aft (this could be converted to a head). The wheelhouse is located three steps above the aft deck.
Wheelhouse
- Control station with engine instrumentation (i.e., tachometer, engine oil pressure, ammeters, hour meters)
- Kobelt jet bucket and throttle controls
- Large single trumpet horn
- Upholstered helm seat
- ICOM model M504 VHF/FM marine radio with antenna
- Pile public address system (12 VDC)
- Pioneer 400 amp amplifier (12 VDC) with four speakers
ELECTRICAL SYSTEM
- 12 VDC lighting
- Two 12 VDC deep cycle marine batteries
- Perko battery isolation switch
- Internationally approved navigation lights (i.e., port light, starboard light, stern light, masthead light, anchor light)
HULL, SUPERSTRUCTURE AND DECKS
- ¼” welded aluminum (5086) plate hull bottom, ¼” sides (5086)
- Three watertight compartments formed by two bulkheads
- Aluminum frame with canvas cover – convertible windows (tempered glass within aluminum frame)
- Anchor and line locker
- Six aluminum kevels
- Non skid exterior decks
- Deck fittings:
Fuel: amidships
MECHANICAL EQUIPMENT AND ENGINE DETAILS
- Twin 6 cylinder four cycle 625 HP Scania model D112-69M marine diesel engines, fuel filters, seawater strainers with seacocks
- Engine hours: January 2014 – port: 1,169, starboard: 1,170
- Hamilton model HJ322 jet drives
- Hysucraft stainless steel hydrofoil
- Torsion coupling – driveline
SAFETY EQUIPMENT
- 48 type II adult size personal flotation devices (stowed in deck boxes)
- 5 type II child size personal flotation devices (stowed in deck boxes)
- One Jim Buoy 21” life ring with line
- One illuminated float light
- Three Amerex 10 pound dry chemical fire extinguishers
- Pyrotechnic distress signals
- One 16 pound Danforth style anchor and 100’ line
- One boat hook
FINISH
- Exterior coating: uncoated
- Exterior decks: uncoated
- Interior decks: uncoated with rubber mat
Remarks
- The M/V GRAVEL GIRTY is in very good condition. The vessel includes a custom-built 36,000 pound capacity triple axel fifth wheel gooseneck trailer. The vessel will be required to dry dock (Quagga mussel) for a period of 30 days and/or be steam pressure washed prior to shipment.