OSHA's crane operator qualification rule: what employers must do and what NCCCO covers

The rule in one paragraph

Under 1926.1427(a), the employer must make sure each operator of covered equipment is trained, is certified or licensed, and has been evaluated by the employer. An employee who is not yet certified may run equipment only as an operator-in-training, under the supervision in paragraph (b). Three kinds of equipment sit outside this section: derricks (1926.1436), sideboom cranes (1926.1440) and equipment rated at 2,000 pounds or less (1926.1441). Check the exceptions against your machine before you rely on anyone's summary.

The ways an operator can be certified or licensed

Paragraph (c) sets the structure. Where a state or city runs an operator licensing program that meets the criteria in (c)(1), operators in that jurisdiction must hold that license. Where no such program applies, the operator must be qualified through one of two routes:

• Accredited testing organization, paragraph (d). A national testing organization, accredited by a nationally recognized accrediting agency, tests the operator on a written and a practical exam covering the subjects in paragraph (j). Certification is by crane type, or by type and capacity. It is portable between employers and lasts five years.
• Audited employer program, paragraph (e). An employer runs its own testing under an audit by a qualified auditor who is not the employer's employee. That certification is not portable to another employer and also lasts five years.

Paragraph (a)(3) adds a narrow route for the military: a current qualification from the U.S. military satisfies the section for its own personnel, but the qualification is not portable: it counts only while the operator is employed by, and operating the equipment for, the employer that issued it. It covers U.S. military employees, not private contractors.

Paragraph (c)(3) says the employer must provide required certification or licensing at no cost to the employee. The state licensing guide covers where governments run their own programs.

Where NCCCO fits

NCCCO is a national certifying organization, and its mobile crane credentials are the kind of certification employers use for the paragraph (d) route. Check NCCCO's own materials for its accreditation status. Whether a particular certification satisfies (d) for your crane type depends on the accreditation and the designation on the card, so the employer should confirm both rather than assume. NCCCO certification is not an OSHA license, and it is not a state license.

The certification requirements guide covers the NCCCO side: the Core and specialty written exams, the practical exam and the 12-month window to finish.

What the written exam covers and what it does not prove

Paragraph (j)(1) lists what an accredited written test must cover: crane controls and performance, load and capacity calculations across configurations, power line procedures, ground and surface conditions, site hazards and access, the Subpart CC requirements, and the ability to find information in the manuals. Paragraph (j)(2) lists what the practical test covers: shift inspection items, operating and maneuvering, applying load charts, and safe shutdown and securing.

That is why the written exam matters on the job. It checks the knowledge side of the same list that regulators use, and load chart and capacity work is the heaviest part. See the Core written exam guide for how NCCCO weights it.

A written pass does not make anyone qualified to run a specific crane on a specific job. Certification does not finish the employer's duty, and the written test is only half of what an accredited certification needs. The practical exam and the employer evaluation are separate.

The employer evaluation

Paragraph (f) is the part candidates most often miss. Even with a valid certification, the employer must evaluate the operator by observing a demonstration of the skills and knowledge that matter for the equipment. That includes its safety devices and software, and its configuration: capacity, boom length, attachments, luffing jib and counterweights. The operator must also show they can do the hoisting the job calls for, such as blind lifts, personnel hoisting and lifts with more than one crane.

Key points of paragraph (f):

• A certificate is not the evaluation. (f)(3) says a certificate or degree alone does not make someone qualified under this section.
• The evaluator is the employer's person. (f)(4) and (f)(5) require an evaluator with adequate knowledge, training and experience, who is an employee or agent of the employer. A successful evaluation can carry over to other equipment that does not need substantially different skills.
• It is documented. (f)(6) requires a record with the operator's name, the evaluator's name and signature, the date, and the equipment make, model and configuration, kept at the worksite while the operator is employed there.
• It repeats after retraining. (f)(7) requires a new evaluation when retraining under (b)(5) was needed.
• Operators already working in December 2018. (f)(2) lets an employer rely on an earlier assessment for operators employed before 10 December 2018.

Dates

The rule was published in the Federal Register on 9 November 2018 (83 FR 56244). Under paragraph (k), most of 1926.1427 took effect on 10 December 2018. The evaluation and documentation requirements in (a) and (f) took effect on 7 February 2019.

Operators-in-training and the limits on their work

Paragraph (b) lets an employer train someone on the job, with formal and practical instruction, while a trainer monitors them continuously on site and assigns only tasks within their ability. Paragraph (b)(3) lists work an operator-in-training cannot be given: lifts near power lines, personnel hoisting, lifts with more than one piece of equipment (with a narrow rigging exception when the trainer finds the skill sufficient) and lifts over a shaft, cofferdam or tank farm. If you are trying to get certified so you can do that work, the exam is the gate.

Language and literacy

Paragraph (h) allows tests to be given in a language the candidate understands, or orally if the candidate shows written literacy and can use the manufacturer's procedures. A certification earned that way notes the language, and the operator may run only equipment whose manuals and load charts are in it.

Common questions

Does OSHA make me get NCCCO certified?

No. OSHA names no company. It requires a covered operator to be certified or licensed through a route in paragraph (c), (d) or (e). NCCCO is one national option for the (d) route, and your employer decides how it meets the rule.

I passed the written exam. Can I run a crane at work now?

Not on that alone. The practical exam completes certification, and then your employer must evaluate you on the equipment and the lifts under paragraph (f) and keep the record. Use the free check below to find weak domains before you book the written.

Does my employer have to pay?

Paragraph (c)(3) says the employer must provide required certification or licensing at no cost to the employee. Ask your employer what it covers before you pay for a test yourself.

Take the free 10-question check

Your employer and the practical examiner handle the rest. The written exam is the part you can prepare for at home. Take the free 10-question check to see your score by domain, with no signup. Boom Angle's course then gives you a question bank with each answer key checked by a second solve, timed practice exams, and a study plan built from your exam date. Supervisors buying for a crew can start at the crew prep page.

Sources

Show the list

• 29 CFR 1926.1427, Operator Training, Certification, and Evaluation, eCFR, read 24 Oct 2026. Also on OSHA's regulations page.
• Mobile Crane Operator Certification Overview, NCCCO.