Maximum Capability Documents (MCDs)

Overboard Systems

• Allied Aft A-Frame

  • Aft A-frame Overboarding with Traction Winch

  • Aft A-frame Overboarding with Hydrographic Winch
    Note: Calculated with Original A-Frame, Removed in December 2015

• Appleton Main Deck Cranes

  • Crane Overboard Loading MCD worksheet. This worksheet calculator is to be used to evaluate the crane boom for use with the ship's winches or portable winches mounted to the main deck, with a block hung from a pad-eye on the crane boom. The analysis looks at both the loads in towing and when the package is suspended vertically during launch.

• Baltic Room Load Handling System(LHS) with CTD

  • Baltic Room Load Handing System(LHS) Overboarding with Hydrographic Winches

• Maximum Capability Worksheet

  • Example Worksheet: A-Frame with Traction Winch

Rapp Marine Winches

• Hydrographic Winch 1

• Hydrographic Winch 2

• Traction Winch

  • Slack Wire Compensator

  • Storage Drums

  • Level Wind

Overboard/Hanging Blocks

• Gleipnir Snatch Block-C-CP-48"

• Gleipnir Snatch Block-C-CP-36"

• Gleipnir Snatch Block-C-CP-28"

• Harken Block-C6989

• Harken Block-200mm

• Smith Berger Snatch Blocks-32" and 48"

Flag Blocks

• Baltic Room- Hydro Flag Block-36"

• Baltic Room- Aft Flag Block-36"

• Forward Winch Room- Aft Flag Block-36"

• Forward Winch Room- Forward Flag Block-36"

• Traction Winch- Aft Deck Flag Block-48"

• Traction Winch- Storage Drum Turning Block

Deck Sockets

• Deck Bolt MCD Calculation Spreadsheet for portable winches.