Reference DataSTD_2032v1

Vessel IMO Number Validation

Ensures all vessel identifiers use valid International Maritime Organization numbers.

Owner: Unassigned

Updated: 10/31/2025

Business Rule

IMO numbers are permanent vessel identifiers required for port operations, customs, and safety tracking.

Technical Implementation

Validate format IMO + 7 digits with check digit calculation. Verify against IMO ship database.

Examples

Good practices vs common violations

Good Examples

IMO 9074729

Poor Examples (Violations)

IMO 123

vessel name only

invalid check digit

Additional Information

Target Industries

Transportation & Logistics

Status

active

Local Network

DQ Improvements

Data quality dimensions improved by this standard

Validity

high

The degree to which data values comply with rules.

Type: prevents

Appropriateness

high

The degree to which the format is suitable for use.

Type: prevents

Uniqueness (Records)

high

The degree to which records occur only once in a data file.

Type: prevents

Quick Stats

Related KPIs0

DQ Improvements3

Versionv1

API Access

GET /api/standards/vessel-imo-number-validation