SuperbaKnowledge Demonstration release
Platforms
Superba ecosystem
SuperbaHubEcosystem overview — how the environments connect, and the architecture behind them
Live demonstrations
Superba KnowledgeYou are hereOperational maritime knowledge
Carbon Easy MapsMaritime decarbonisation, mappedPSC Easy MapsPort State Control, understood as a system
Training
LearningTraining delivery
ENIT
Superba ecosystem
SuperbaHubEcosystem overview — how the environments connect, and the architecture behind them
Live demonstrations
Superba KnowledgeYou are hereOperational maritime knowledge
Carbon Easy MapsMaritime decarbonisation, mappedPSC Easy MapsPort State Control, understood as a system
Training
LearningTraining delivery
Home › Survey & Certification › International Load Line Certificate
Operational guide · Certification & surveys

International Load Line Certificate

Alterations affecting conditions of assignment require assessment and sanction; article 19 ends validity where material alterations make increased freeboard necessary.

Load LinePlimsollfreeboard

Operational Explanation

Alterations affecting conditions of assignment require assessment and sanction; article 19 ends validity where material alterations make increased freeboard necessary.

Regulatory Reference

Load Lines Convention, article 19; Administration or authorised RO.

Scope of Application

Not every repair or closing-appliance change has the same automatic certificate effect.

Procedure / How to Complete It

  1. Describe the alteration and affected condition of assignment.
  2. Obtain Administration/RO assessment before execution.
  3. Determine whether it is material and requires increased freeboard.
  4. Update survey, records and required certificate action.

Practical Example

A closing-appliance alteration is assessed; certificate effect follows the article 19 threshold.

What Typically Goes Wrong

Saying every alteration invalidates, or that none can end validity.

Common Mistakes Mistake Library

MistakeConsequenceHow to Avoid It
Saying every alteration invalidates, or that none can end validity.Non-compliant decision or treatmentFollow the approved arrangement and applicable sources

What the PSCO Checks

Evidence of the approved arrangement, procedures, records, competence, defect management and consistency with statutory/class/maker requirements.

Operational Tips

Preparation checklist

FAQ

Does every alteration invalidate?
No.
When does validity cease?
When material alterations make increased freeboard necessary.

Related Topics

Tonnage Certificate and IMO NumberHarmonized System of Survey and Certification (HSSC)

Last substantive revision of this page: 31 August 2026 · page fingerprint ab5cd711aec3