Case Studies > Design: Vessels

Gosport Ferry Design

Houlder undertook the Gosport Ferry design to provide Portsmouth Harbour with an improved service. The “Harbour Spirit” carries 300 walk on passengers as well as bicycles and motor bikes. Propulsion is by rudder propellers with engine rooms at each end.

Main Particulars

  • Maximum Length Overall;-  32.90m
  • Breadth moulded;-  10.20m
  • Depth Moulded; – 3.40m
  • Freeboard at design draft;-  1.30m
  • Design Draft; – 1.95m

Deadweight and Capacities

  • Crew Stores and Spares; – 5 tonnes
  • Passengers;-  30 tonnes
  • Fresh water;-  3 tonnes
  • Marine Gas Oil;- 46 tonnes
  • Lubricating Oils;-  1 tonne
  • Total Deadweight;- 85 tonnes

Vessel Speed

At Design Draught;- 10knots

Cooling Arrangements

NRF (Netherlands) Box coolers fitted

Accommodation (all seated)

In two lounges and on deck

  • 296 passengers
  • 4 Crew


  • Bureau Veritas
  •  I 5 IN (2.0) Z Passenger Vessel
  • MC


  • External: – According to MSN 1823 (M) for category C & D waters.
  • Internal:- PHONTECH Public address System SPA 1500 inc. Radio & CD

Navigation Equipment

  • Furuno MF088 radar processor
  • Furuno GP150 Marine GPS Navigator
  • Furuno SC-150 Satellite compass
  • Furuno FE700 Echo Sounder


  • 2 Scania DI13 (294kW) units limited to 241kW output
  • 2 Perkins 4GM four cylinder 4-stroke engines of 35kW capacity
  • 2 Veth thrusters VZ200 installed –one at each end


Fully controllable and recordable CCT system with full vessel coverage of both accommodation and for use during berthing.