CCO - Candidate Handbook - Tower Crane Operator - Certification Policies, Eligibility, and Exam Outline

Sep 29, 2026

CCO Tower Crane Operator candidate handbook outlines certification eligibility, testing fees references, and certification time frames. It explains recertification rules for maintaining validity over five years, including required written and practical examinations or acceptable crane-related experience hours. The handbook also details the written examination structure, including question count, duration, calculator restrictions, and the four knowledge domains with their approximate percentage breakdown. It further covers the practical exam requirement timing and consequences after certification expiration.

LanguageEnglish

CategoryExam

FormatPDF

Pages11

Reading Time28 min

AccessFree to download

Certification Policies

Eligibility

Examination Fees

CCO Certification Time Frames

Recertification Requirements

Written Examination Outline

Domain 1: Site

Domain 2: Erection, Climbing, and Dismantling

Domain 3: Operations

Domain 4: Technical Knowledge

CCO CANDIDATE HANDBOOK • TOWER CRANE OPERATOR ® Table of Contents Certification Policies .................................................................................................. 1 Eligibility........................................................................................................................................1 Examination Fees ..........................................................................................................................1 CCO Certification Time Frames ......................................................................................................1 Recertification Requirements.........................................................................................................1 Written Examination Outline ..................................................................................... 2 Practical Examination ................................................................................................ 4 Reference List ............................................................................................................ 7 CCO Policies ............................................................................................................... 8 Copyright 2004–2024 CCO. All rights reserved. TCO CH REV 01/24 DOC 50022–102 ii Certification Policies TOWER CRANE OPERATOR ELIGIBILITY To be eligible for certification, candidates must: • Be at least 18 years of age • Comply with CCO’s Substance Abuse Policy • Comply with CCO’s Code of Ethics • Pass a written examination • Pass a practical examination EXAMINATION FEES For all exam and related fees, [visit www.nccco.org/fees](visit www.nccco.org/fees). CCO CERTIFICATION TIME FRAMES Candidates have 12 months from the time they pass their first exam in which to pass the corresponding exam. Any tests passed within a 12-month period count towards certification. For example, a candidate who fails the Tower Crane Operator Written Exam in December 2024 but passes the Tower Crane Operator Practical Exam in January 2025 has until the end of January 2026 to retake (and pass) the Tower Crane Operator Written Exam. RECERTIFICATION REQUIREMENTS CCO Tower Crane Operator certification is valid for five years. Recertification candidates must complete all of their recertification requirements during the 12 months prior to their certification’s expiration date. Regardless of the date of the exams within that one-year period, the new five-year certification period begins from the date of expiration of the candidate’s initial certification. Recertificants must: • Pass the Tower Crane Operator written examination(s) • Comply with CCO’s Substance Abuse Policy • Comply with CCO’s Code of Ethics Candidates who can attest to at least 1,000 hours cranerelated experience during their period of certification do not need to take the practical exam to recertify. Cranerelated experience is defined as: operating, maintaining, inspecting, or training on cranes. Recertification candidates who do need to take the practical exam for any reason, however, must do so before their certification expires. There is no grace period after their certification’s expiration date. Candidates whose certification has lapsed must take the full written and practical examinations over to be certified again. NOTE: Candidates who recertify more than 12 months prior to their expiration date will have their new certification period begin immediately, notfrom the end of their current certification period. Copyright 2004–2024 CCO. All rights reserved. TCO CH REV 01/24 DOC 50022–102 1 Written Examination Outline TOWER CRANE OPERATOR 55 QUESTIONS/60 MINUTES (CALCULATOR NOT PERMITTED) The Tower Crane Written Examination tests the following knowledge areas relating to the operation of tower cranes. Domain 1: Site • Approximately 10% of test Domain 2: Erection, Climbing, and Dismantling • A

FAQs

What are the eligibility requirements for CCO Tower Crane Operator certification?

Candidates must be at least 18, comply with CCO’s substance abuse policy and code of ethics, and pass both the written and practical examinations.

How long do candidates have to complete required exams after passing the first one?

Candidates have 12 months from the time they pass their first exam to pass the corresponding exam, with counting limited to that 12-month window.

What are the recertification requirements and exceptions?

Recertification is valid for five years and must be completed within the 12 months before expiration. Candidates must generally pass written exam(s) and comply with the substance abuse policy and code of ethics; practical may be avoided with at least 1,000 hours of crane-related experience during the certification period, but there is no grace period after expiration.

Sep 29, 2026

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