ISO 3652:1975

Overview - ISO 3652:1975 (Shipbuilding - Inland vessels - Rope reels)

ISO 3652:1975 specifies the characteristics and basic dimensions of rope reels intended for the storage of mooring and towing ropes on vessels operating on inland waterways. Published by ISO’s Technical Committee ISO/TC 8 (Shipbuilding), this standard defines sizing conventions, construction notes and a designation format to promote consistent production and interchangeability of rope reels used in inland navigation.

Key topics and requirements

• Scope and purpose
  • Applies to rope reels for mooring and towing ropes in vessels of all types and purposes on inland waterways.
• Dimensions and units
  • Dimensions are given in millimetres. The standard includes nominal reel dimensions and corresponding drum and stand lengths.
  • Examples in the document: nominal reels 300 × 380 (drum length 380 mm, stand length 460 mm) and 300 × 700 (drum length 700 mm, stand length 780 mm).
• Construction
  • Typical execution: welded of steel tubes and sheet steel. The standard gives construction characteristics but does not prescribe a single design; drawings or figures are illustrative only (the figure “does not determine the design”).
• Designation
  • Provides a simple designation format for ordering and reference (example: Reel 300 × 380).
• Standardization intent
  • Ensures consistent physical characteristics so reels from different manufacturers can meet common installation and operational needs on inland vessels.

Applications - who uses ISO 3652 and why

• Shipbuilders and naval architects specifying rope storage equipment for inland vessels.
• Equipment manufacturers producing rope reels for mooring and towing lines.
• Vessel operators, inland waterway fleets and maintenance teams requiring standardized replacement parts.
• Procurement and classification bodies verifying equipment conformity and interoperability.
• Dockyards and retrofitting projects where standard dimensions simplify installation and spare-part management.

Practical benefits include improved safety and ergonomics for mooring/towing operations, easier sourcing and replacement of reels, and reduced design ambiguity when integrating rope storage into vessel layouts.

Related standards

• Prepared by ISO/TC 8 (Shipbuilding); users may also consult other ISO shipbuilding and mooring equipment standards for complementary requirements (installation, materials, testing and certification).
• When applying ISO 3652, cross-reference applicable national regulations and classification society rules for inland navigation.

Keywords: ISO 3652, rope reels, inland vessels, shipbuilding, mooring ropes, towing ropes, reel dimensions, welded steel construction, reel designation.