Owner/operator: McAllister Towing and Transportation Co.
Builder: Horizon Shipbuilding
Designer: Jensen Maritime Consultants
Dimensions: 100’ x 40’ x 18’
Mission: Assist, escort and rescue
Crew size: Up to 7
Propulsion
- Engines: (2) Caterpillar 3516E Tier 4 diesels, 3,386 bhp each at 1,800 rpm
- Thrusters: (2) Schottel SRP4000 FP bottom-mount units
- Propellers: (2) 2,800-mm nibral 4-blade props in nozzles
- Bollard pull: 80 metric tons ahead (estimated)
- Vessel speed: 12 knots cruising, 14 knots maximum
- Gearbox: Lufkin 2:1
- Auxiliary generators: (3) Caterpillar Tier 3 C7.1 keel-cooled diesels driving 118-kW generators
Deck equipment
- Bow winch: Markey DESF-48 single-drum 100-hp hawser winch, capacity of 800’ of 10” line
- Stern winch: Markey TES-40 75-hp electric single-drum towing winch, capacity of 2,500’ of 2.5” wire
- Cordage: 800’ of 10” HMPE Samson Saturn-12 line
- Bow staple: Flat A-staple with .25” stainless-steel hard-face cladding on inner radius, H-bitt incorporated into A-staple
- Fendering: Viking Rubber soft loop with 36”x50’ Shibata cylindrical on forward and aft bulwarks; D-fendering port and starboard
Navigation gear
- Radar: (2) Furuno FR8122 with ARPA and 4’ antenna
- Chartplotter: Furuno TZtouch2
- Compass: (2) Anschutz Standard 22 gyro compass, Ritchie Globemaster magnetic compass
- AIS: Furuno FA310 series
- E-nav software: Rose Point Navigation Systems
- Autopilot: Anschutz PilotStar D
- GPS: (2) Furuno GP32
Communications
- Radio: (3) Standard Horizon GX2200
- Loud hailer: Standard Horizon VLH-3000
- CCTV cameras located bow, port, starboard, stern and engine room
Capacities
- Fuel: 58,710 gallons
- Lube oil: 545 gallons
- Urea: 2,500 gallons
- Waste oil: 1,444 gallons
- Foam water: 750 gallons
- Potable water: 3,075
Firefighting
- Monitors: (2) FFS 1200LB fire monitors rated at 5,284 gpm, adjustable fog tip with foam capability
- Pumps: (2) FFS SFP 250×350 rated at 5,980 gpm, 185 psi; powered by (2) Caterpillar C18 Tier 4 diesels, 831 hp at 1,800 rpm
- Deluge system: Stainless-steel piping with stainless nozzles positioned around superstructure exterior
- Machine space fire suppression system: FM-200 fixed system
- Fire stations: (3) hose stations with 50’ of hose; nozzle and wrench with (3) additional 50’ of hose
Coatings
- Exterior below waterline: PPG Amerlock 2/400 and ABC 3 antifouling coating
- Exterior above waterline: PPG 302 H Zinc, Amerlock 2/400, PSX 700 zinc primer
- Tank and interior: PPG Amerlock 2/400, PSX 700 in engine room
Certifications and classifications
- Hull: ABS Maltese Cross A1 Towing Vessel – Escort Service, bollard pull and FFV1 notations
- Machinery: ABS Maltese Cross AMS, ACCU notation