How Well Do You Know Your Lifeboats? Part IV – Atlantic 85 Inshore Lifeboat

The fourth blog in this series ‘How Well Do You Know Your Lifeboats’ – focuses on the Atlantic 85 Inshore Lifeboat.

Technical Stuff

Year introduced to the RNLI fleet:
Atlantic 75 – 1993
Atlantic 85 – 2005

Last Atlantic 75 built:
2003

Type of launch
Carriage, davit or floating boathouse

Number of Crew:
Atlantic 75 – 3
Atlantic 85 – 3-4

Number of Survivors permitted aboard at any one time:
20

Maximum speed:
Atlantic 75 – 32 knots
Atlantic 85 – 35 knots

Range / endurance:
Atlantic 75 – 2.5 hours maximum
Atlantic 85 – 3 hours maximum

Length:
Atlantic 75 – 7.383m
Atlantic 85 – 8.44 m

Beam / width:
Atlantic 75 – 2.65m
Atlantic 85 – 2.85m

Draught / depth:
Atlantic 75 – 0.41m
Atlantic 85 – 0.53m

Displacement / weight:
Atlantic 75 – 1.6 tonnes
Atlantic 85 – 1.8 tonnes

Fuel capacity:
Atlantic 75 – 182 litres
Atlantic 85 – 210 litres

Engines:
Atlantic 75 – 2 x Yamaha engines at 75 horsepower each
Atlantic 85 – 2 x Yamaha 4-stroke engines at 115 horsepower each

Construction:
Atlantic 75

Hull: polyester glass-reinforced fibre, with marine plywood stiffening.
Inflatable collar: hypalon-coated nylon.

Atlantic 85
Hull: carbon fibre and foam core laminate.
Structure: includes epoxy glass and foam sandwich layup.
Inflatable collar: hypalon-coated nylon.

Number in fleet:
Atlantic 75 – 24 at stations and 17 in the relief fleet
Atlantic 85 – currently 75 at stations and 20 in the relief fleet

Identification
All lifeboats have a unique identification number.
The first part indicates the class so B class lifeboats start with B.
The numbers after the dash refer to the build number. So the first B class Atlantic 85 was given the number B-801.

Communications and navigation
Includes:

  • fitted and hand-held VHF (very high frequency) radio
  • intercom (Atlantic 85 only)
  • onboard global positioning system (GPS)
  • radar (Atlantic 85 only)
  • VHF direction-finding (VDF) equipment (Atlantic 85 only)
  • electronic chart.
Acknowledgements

Royal National Lifeboat Institution

Ramsgate Lifeboat Station

Sarah Hewes