Class-Approved UTM Operator

Code ut-thickness-class-approved

Class-society approval (DNV, LR, BV, ABS, ClassNK) for ultrasonic thickness measurement firms / operators carrying out class-required hull gaugings.

Prerequisites: asnt-ndt-level-ii
Duration: —
Validity: 5 years
Refresher: every 5 years
Typical cost: —

Per IACS UR Z10.1, Z10.2, Z10.4, Z10.5.

Where to take this course

Country guides list accredited training centres in the major seafarer-supplying nations:

Related glossary terms

High confidence

Editorial confidence: how we grade. Data sources and methodology: /sources.

Class-Approved UTM Operator: FAQ

What is the Class-Approved UTM Operator (UT-THICKNESS-CLASS-APPROVED) certification?: Class-society approval (DNV, LR, BV, ABS, ClassNK) for ultrasonic thickness measurement firms / operators carrying out class-required hull gaugings. Category: Inspection.
Who needs UT-THICKNESS-CLASS-APPROVED?: UT-THICKNESS-CLASS-APPROVED applies to seafarers in roles defined under STCW. Recommended prerequisites: asnt-ndt-level-ii. Without UT-THICKNESS-CLASS-APPROVED, operators may decline to roster you for the relevant duties.
Where can I get UT-THICKNESS-CLASS-APPROVED?: UT-THICKNESS-CLASS-APPROVED is delivered by approved training centres in most major maritime training countries. Use our /training-centres directory and the certifications-by-country filters to find an approved provider near you. The flag administration of your seaman's book may also publish a list of accepted providers.
How long is UT-THICKNESS-CLASS-APPROVED valid?: 5 years from issue, with a refresher required every 5 years. Plan your revalidation course before the expiry date; lapsed certificates may require re-sitting the full course rather than a refresher, and operators may refuse to extend a contract while a critical certificate is expired.

Found an error on this page? Report it →

Class-Approved UTM Operator: FAQ

What is the Class-Approved UTM Operator (UT-THICKNESS-CLASS-APPROVED) certification?

Class-society approval (DNV, LR, BV, ABS, ClassNK) for ultrasonic thickness measurement firms / operators carrying out class-required hull gaugings. Category: Inspection.

Who needs UT-THICKNESS-CLASS-APPROVED?

UT-THICKNESS-CLASS-APPROVED applies to seafarers in roles defined under STCW. Recommended prerequisites: asnt-ndt-level-ii. Without UT-THICKNESS-CLASS-APPROVED, operators may decline to roster you for the relevant duties.

Where can I get UT-THICKNESS-CLASS-APPROVED?

UT-THICKNESS-CLASS-APPROVED is delivered by approved training centres in most major maritime training countries. Use our /training-centres directory and the certifications-by-country filters to find an approved provider near you. The flag administration of your seaman's book may also publish a list of accepted providers.

How long is UT-THICKNESS-CLASS-APPROVED valid?

5 years from issue, with a refresher required every 5 years. Plan your revalidation course before the expiry date; lapsed certificates may require re-sitting the full course rather than a refresher, and operators may refuse to extend a contract while a critical certificate is expired.