Crane operator certification requirements: written, practical, medical

The Boom Angle overview explains our written preparation scope. This page covers the mobile crane Core and specialty route, rather than every crane certification program.

Eligibility for mobile crane certification

The certification overview and candidate handbook list these requirements:

• ✓ Be at least 18 years old.
• Comply with CCO's Substance Abuse Policy and Code of Ethics.
• Pass the required written examinations.
• Pass the corresponding practical examination or examinations.

The requirements FAQ says CCO does not grandfather candidates based on experience. Years on a crane do not replace the certification tests. Use your experience to identify preparation needs, then check the current program instructions for the credential you intend to earn.

Written exams: Core plus the relevant specialty

The mobile crane route requires the Core written exam and at least a single written specialty. The current designations are Lattice Boom (LAT), Telescopic Boom Swing Cab (TLL) and Telescopic Boom Fixed Cab (TSS). Select the designation for the equipment you intend to operate, rather than choosing only by the availability of a nearby test.

The Core covers general mobile crane knowledge. A specialty assesses knowledge for that crane type. Read the Core written exam guide, then use the official specialty outline to organize the rest of your study. Written preparation should include explaining chart choices and checking arithmetic, as well as recognizing terminology.

Practical exams and the completion window

The overview requires the practical exam corresponding to the written specialty. A written pass alone does not complete certification. Arrange practical preparation and testing with access to the appropriate crane and examiner; online written study cannot demonstrate crane operating proficiency.

✓ You may take written and practical exams in either order. You have 12 months after your first exam pass to complete the corresponding exams for the designation. Keep the date and crane type with every result so that an approaching deadline is visible while you schedule the remaining tests.

The cost and retake guide explains the separate exam charges and written retake waiting rule. Allow time for another attempt when coordinating written tests, practical access and work commitments.

Is a medical exam required for certification?

The current mobile crane handbook's eligibility list and NCCCO's live overview do not list a medical examination or DOT medical card as a CCO certification prerequisite. That is the scope of the finding from these sources. It does not establish that every crane job has the same medical or physical requirements.

Before booking, ask your employer which fitness documentation applies to the actual duties and location, including any driving responsibilities. Request the governing requirement and the accepted documentation rather than assuming a certificate settles the issue. Keep those workplace checks separate from the CCO exam checklist. Do not use an older handbook's eligibility wording as proof of a current application requirement.

What OSHA requires at work

For construction equipment covered by the rule, 29 CFR 1926.1427 places responsibility on the employer for operator training, certification or licensing, and evaluation. The section has scope exceptions, so check the actual equipment and work before treating it as a universal crane rule.

Under paragraph (f), employer evaluation addresses the equipment's configuration, safety systems and assigned hoisting work. A certificate alone does not establish qualification for that evaluation. The employer must document its completion. Paragraph (c) also addresses qualifying state or local licensing requirements and requires certification or licensing at no cost to employees when the section requires it.

Before a job starts, confirm who will arrange the employer evaluation and check the applicable licensing requirements. The practical certification exam and the employer's equipment and task evaluation serve distinct purposes.

For written preparation, try the NCCCO written exam diagnostic. Use it to choose study topics while you arrange the practical and workplace requirements with the responsible people.

Sources

Show the list

• Mobile Crane Operator Candidate Handbook, CCO, cover revision 01/25, certification policies on printed page 1. Retrieved 17 Oct 2026.
• Mobile Crane Operator Certification Overview, NCCCO. Retrieved 17 Oct 2026.
• Requirements & Procedures: Frequently Asked Questions, NCCCO. Retrieved 17 Oct 2026.
• 29 CFR 1926.1427: Operator Training, Certification, and Evaluation, Occupational Safety and Health Administration, U.S. Department of Labor. Retrieved 17 Oct 2026.