Basic concepts applied to the schedule:
#1: One operational polar icebreaker at all times.
#2: A ship available for Deep Freeze every yeaf.
#3: One month ready-for-sea period prior to deployments.
There are other important precepts,. including scheduling time for training & maintenance,, and designating Deep Freeze and Canadian Arctic resupply backup vessels.
(Note: The Polar Class Icebreaker Operating Schedules for 1995-97 are available from the UNOLS Office.)
U.S. Coast Guard Icebreaker
USCGC HEALY (WAGB-20)
| Length: | 420 ft./ 128 M |
| Beam: | 82 ft./ 25 M |
| Max Draft: | 29.25 ft. |
| Max Displacement: | 16,400 tons |
| Shaft HP: | 40,000 HP Installed/ |
| 4 x 10,000 HP Sulzer Engines | |
| Bowthruster: | 2200 HP/ 1640 KW |
| Propulsion: | Diesel-electric |
| Screws: | 2 FP,4 bl. 16ft/4.8 M |
| Economic Speed: | 12.5 KTS |
| Max Speed: | 17 KTS |
| Endurance: | 65-120 days |
| Range: | 16,000-30,000 NM + |
| Provisioning: | 65-180 days |
| Ice (@ 3 kts): | 4.5 ft.+ (1.4 M) |
| Fuel, Diesel: | 1,028,785 gals. |
| Fantail work space: | 3,000 sq.ft. |
| Elect/computer lab: | 600 sq.ft. |
| Bio/chem lab: | 300 sq.ft. |
| Climate cont, rooms: | 200 sq.ft. |
| Scientific freezer: | 200 sq.ft. |
| Indoor Staging area: | 300 sq.ft. |
| Vans: | (8) 20' CONEX |
| C/T winch (1): | 15,000 M 9/16" |
| 10,000 M 0.680" EM | |
| Oceano winch(s): | 10,000 M 1/4" wire |
| 10,000 M 322" EM | |
| Science Comms. Network | |
| Science data Network | |
| Main lab: | 2000+ sq.ft. |
| Wet lab: | 400 sq.ft. |
U.S. Coast Guard Icebreaker
USCGC HEALY (WAGB-20)
Major Changes, Updates:
Reconfigured science suite (as requested in the October 1993 meeting in New Orleans) was adjudicated and accepted (in principal) by the shipyard.
A Sea Beam Multi-Beam system was added.
Main Propulsion Control & Monitoring System (MPCMS) awarded to CEGELEC.
Science Data Network (SDN) awarded to EDI.
Integrated Bridge System (MPCMS, SDN, Dynamic Positioning System) awarded to Sperry.
Visits to the science community (USGS, U of Wash., CRREL, WHOI) are ongoing, until a standing advisory . group can be formed.
| Mar. 1996: | Start (modular) assembly. |
| Sep. 1996: | Ceremonial Keel Laying. |
| Summer 1997: | Initial crew training begins. |
| July 1997: | Ship Launching. |
| Jan. 1998: | Builder's dock trials. |
| Feb. 1998: | Builder's sea trials. |
| Feb. 1998: | Inclining tests. |
| Apr. 1998: | Acceptance trials. |
| June 1998: | Ship delivery. |