Finally seeing some information on proposed Polar Security Cutter/Icebreaker designs. Got photos of this brochure (above and below) from a classmate. If you click on the photos you should be able to read them, but I’ve tabulated some information below.
- ABS Ice class: PC2
- Continuous icebreaking: 6 feet at 3 knots
- Backing and ramming, up to 21 feet of ice
- Length: 460 feet
- Beam: 83 feet
- Draft: 36 feet
- Speed: 15 knots
- Propulsors: 3
- Accommodations: 171
- Range: 21,500 miles at 12 knots
- Endurance: 80 days
Fincantiari is teamed with VARD and AKER Arctic. This is certain to be a major contender because VARD designed the Offshore Patrol Cutter, Fincantiari’s Marinette Marine built the Great Lakes icebreaker, Mackinaw, as well as several other Coast Guard progects, and AKER Arctic is a leader in icebreaker design. Siemens is planning the propulsion and L3 the C4ISR.
Compared to the Polar Star, beam is essentially the same. Length is 61 ft greater. Draft is five feet greater. Presumably displacement will be greater than that of either Polar Star or Healy, probably close to 20,000 tons full load.
Accommodations (171) are fewer than provided on the Polar Star, but more than provided in Healey. Presumably the crew will be smaller than Polar Star, more in line with Healy. Assuming 50+ scientist and an Aviation Detachment, the crew is likely about 100.
Nominal range (21,500@12) is less than Polar Star (28,275@13), but still generous. This probably reflects provision of segregated ballast in the new ship. Max Speed is less than either Polar Star (18) or Healy (17), but probably adequate.
As expected, no armament will be provided as built. Significantly it appears the design will provide adaptable space to meet future requirements.