What OSHA Requires of a Signal Person
Under 29 CFR 1926.1428, a signal person is required when the point of operation isn't in full view of the operator, when the operator's view is obstructed in the direction of travel, or when either the operator or the person handling the load decides it's needed for safety.
The signal person must know and understand the type of signals used, be competent in applying them, have a basic understanding of crane operation and limitations, and know the relevant Subpart CC requirements. They must show this through an oral or written test and a practical test.
OSHA allows two routes: qualification by a third-party qualified evaluator or by the employer's own qualified evaluator. The difference matters if you change jobs. Third-party documentation, such as an NCCCO card, is portable from employer to employer; an employer's in-house qualification generally is not.
Employer Qualification vs. NCCCO Certification
| Factor | Employer's qualified evaluator | NCCCO signalperson certification |
|---|---|---|
| Who tests you | Someone your employer designates as qualified | An accredited third-party program |
| Portability | Generally only valid with that employer | Recognized by other employers |
| Documentation | Employer's records | CCO card and online verification |
| Renewal | Set by employer policy | Five years, then recertification |
Competencies Behind NCCCO Signalperson Certification
Our signal person training covers each one.
Standard hand signals — hoist, lower, swing, boom up/down, extend/retract, travel, stop, emergency stop
Combined and multi-function signals such as dog everything
Voice signal procedures: function, direction, distance and speed
Crane types and components, and limitations like boom deflection
Positioning yourself where the operator can see you and you can see the load
When to stop a lift and how to handle lost communication
Studying Signals So They Hold Up Under Pressure
Knowing a signal and giving it clearly while a load is moving are different skills. Learn each hand signal from the chart, then practice it physically until the motion is automatic — in front of a mirror, with a co-worker calling out functions, or while watching a crane work.
For voice signals, practice the order NCCCO and OSHA expect: function, direction, distance and speed, followed by a clear stop. Rehearse what you will say if the radio cuts out or the operator does not respond.
Our online course covers the full signal set, crane basics and the rules behind them, with a certificate of completion at the end. The CCO card comes from NCCCO after you pass its written and practical exams.
Getting the CCO Signalperson Card
Meet eligibility
Be 18 or older, comply with CCO's substance abuse policy and code of ethics.
Prepare for the written exam
Learn every standard signal and the rules behind them, then quiz yourself.
Pass the practical
Expect to demonstrate hand and voice signals while directing a load through a course; finish within 12 months of your first passed exam.
Renew on time
See our signal person recertification guide as your five-year date approaches.