Page 1 of 75
Crane Operator Certification Examination
2026–2027 Comprehensive Question Practice
Test With Answers & Rationales
Question 1
Under 29 CFR 1926.1427, which statement regarding operator
certification is MOST accurate?
A) NCCCO certification is valid for 3 years and does not require
a practical exam
B) Certification alone qualifies an operator to operate any crane
without employer evaluation
C) Certification is portable among employers but the employer
must conduct a site-specific evaluation
D) Only state-issued licenses satisfy OSHA certification
requirements
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Answer: C
Rationale: Under OSHA 1926.1427(f), an operator may only
operate as an operator-in-training until the employer conducts
and documents a machine-specific evaluation even if holding
valid certification. Certification is portable, but evaluation is
proprietary to each employer.
Question 2
What is the minimum crane team required for a mobile crane
operating on outriggers?
A) Crane Operator only
B) Crane Operator and Rigger
C) Crane Operator, Crane Supervisor, and Crane Rigger
D) Crane Operator, Rigger Supervisor, and Safety Officer
Answer: C
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Rationale: The minimum crane team consists of the Crane
Operator, Crane Supervisor, and Crane Rigger. Each role has
distinct responsibilities for safe crane operation.
Question 3
Under OSHA 1926.1427, how long is a crane operator
certification valid?
A) 2 years
B) 3 years
C) 5 years
D) 10 years
Answer: C
Rationale: NCCCO certification is valid for 5 years, after which
operators must recertify by written and practical examination.
, Page 4 of 75
Question 4
Which employer action is required BEFORE an operator may
operate a crane independently after being hired?
A) Verification of past experience only
B) Documented machine-specific evaluation by the employer
C) 40 hours of training regardless of prior certification
D) State license verification only
Answer: B
Rationale: OSHA 1926.1427(f) requires the employer to
conduct and document a practical evaluation on the specific
crane make, model, and configuration before the operator can
work independently.
Question 5
During crane assembly, when should counterweights be installed?
A) After raising the boom
Crane Operator Certification Examination
2026–2027 Comprehensive Question Practice
Test With Answers & Rationales
Question 1
Under 29 CFR 1926.1427, which statement regarding operator
certification is MOST accurate?
A) NCCCO certification is valid for 3 years and does not require
a practical exam
B) Certification alone qualifies an operator to operate any crane
without employer evaluation
C) Certification is portable among employers but the employer
must conduct a site-specific evaluation
D) Only state-issued licenses satisfy OSHA certification
requirements
,Page 2 of 75
Answer: C
Rationale: Under OSHA 1926.1427(f), an operator may only
operate as an operator-in-training until the employer conducts
and documents a machine-specific evaluation even if holding
valid certification. Certification is portable, but evaluation is
proprietary to each employer.
Question 2
What is the minimum crane team required for a mobile crane
operating on outriggers?
A) Crane Operator only
B) Crane Operator and Rigger
C) Crane Operator, Crane Supervisor, and Crane Rigger
D) Crane Operator, Rigger Supervisor, and Safety Officer
Answer: C
,Page 3 of 75
Rationale: The minimum crane team consists of the Crane
Operator, Crane Supervisor, and Crane Rigger. Each role has
distinct responsibilities for safe crane operation.
Question 3
Under OSHA 1926.1427, how long is a crane operator
certification valid?
A) 2 years
B) 3 years
C) 5 years
D) 10 years
Answer: C
Rationale: NCCCO certification is valid for 5 years, after which
operators must recertify by written and practical examination.
, Page 4 of 75
Question 4
Which employer action is required BEFORE an operator may
operate a crane independently after being hired?
A) Verification of past experience only
B) Documented machine-specific evaluation by the employer
C) 40 hours of training regardless of prior certification
D) State license verification only
Answer: B
Rationale: OSHA 1926.1427(f) requires the employer to
conduct and document a practical evaluation on the specific
crane make, model, and configuration before the operator can
work independently.
Question 5
During crane assembly, when should counterweights be installed?
A) After raising the boom
