MV Wenatchee passing Duwamish Head
Class overview
BuildersTodd Pacific Shipyards, Seattle, Washington
OperatorsWashington State Ferries
Preceded byJumbo class
Built1997–1999
In service1997–present
Completed3
Active2
Laid up1
General characteristics
TypeAuto/passenger ferry
Tonnage4,936 tons
Displacement6,184 long tons (6,283 t)
Length460 ft 2 in (140.3 m)
Beam90 ft (27.4 m)
Draft17 ft 3 in (5.3 m)
Decks5 (2 vehicle decks, passenger deck, sun deck, nav bridge deck)
Deck clearance15 ft 6 in (4.7 m)
Installed power16,000 hp (11,931.2 kW) total from four EMD 710 V-16 diesel engines
PropulsionDiesel–electric
Speed
  • 18 knots (33 km/h; 21 mph) (service, using two engines)
  • 25 knots (46 km/h; 29 mph) (maximum, using four engines)
Capacity
  • 2,499 passengers
  • 202 vehicles (max 60 tall vehicles)

The Jumbo Mark II-class ferries are a series of ferries built for Washington State Ferries (WSF) between 1997 and 1999, at Todd Pacific Shipyards in Seattle. Each ferry can carry up to 2,500 passengers and 202 vehicles, making them the largest ferries in the fleet, and the second longest double-ended ferries in the world.[1] They all have full galley service and a "quiet room" upstairs.

Ferries in this class include:

In 2018, WSF announced plans to convert the Jumbo Mark II-class to battery electric propulsion by switching two of the four engines in each ferry with batteries.[2] Funding for the program was earmarked the following year, with the Wenatchee planned to be the first ferry to undergo conversion.[3] The $150 million contract was awarded to Vigor Shipyards in August 2023; Wenatchee is planned to be taken out of service for a year beginning in September 2023.[4]

References

  1. ↑ The New Giants: The Jumbo Mark II Class, evergreenfleet.com
  2. ↑ Brauchman, Michelle (May 4, 2018). "Washington State Ferries plans to convert its biggest vessels to electric power". The Seattle Times. Retrieved August 16, 2023.
  3. ↑ Stiffler, Lisa (September 21, 2019). "How Washington state plans to create the world's largest hybrid-powered, auto-carrying ferries". GeekWire. Retrieved August 16, 2023.
  4. ↑ Cornfield, Jerry (August 16, 2023). "Washington awards $150M contract to convert ferries to hybrid-electric power". Kitsap Sun. Retrieved August 16, 2023.
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