Trades Navigator summarizes state licensing rules from the state board. We do not characterize the rules, order classes against each other, or combine them into a single number. Each license class links to the issuing authority for primary-source verification.
Exam
Alaska DOLWD — Mechanical Inspection Section
Scope of Work
First Class license authorizes operation of boilers having a size equal to or greater than 100,000 pounds of steam per hour. Source: Alaska Department of Labor and Workforce Development — Mechanical Inspection Section (https://labor.alaska.gov/lss/boiler_operator.htm).
Experience and Training
12 months experience under a Second Class license, or 24 months of qualifying boiler operation, maintenance, or repair experience on boilers ≥100,000 lb/hr.
Exam
Required test. Scheduled by appointment with Mechanical Inspection offices in Anchorage, Fairbanks, or Juneau.
Verified May 1, 2026 · compiled from public sources, verify current rules with Alaska Department of Labor and Workforce Development — Mechanical Inspection Section before acting
Exam
Alaska DOLWD — Mechanical Inspection Section
Scope of Work
Second Class license fits between Third Class (≤100,000 lb/hr steam) and First Class (≥100,000 lb/hr steam). Source: Alaska Department of Labor and Workforce Development — Mechanical Inspection Section (https://labor.alaska.gov/lss/boiler_operator.htm). Editor must verify the exact Second Class plant-size threshold against the current Mechanical Inspection application packet (https://labor.alaska.gov/lss/miforms.htm) before public launch.
Experience and Training
Editor must verify experience hour/year requirement against the current Alaska DOLWD Mechanical Inspection application packet.
Exam
Required test. Scheduled by appointment with Mechanical Inspection offices in Anchorage, Fairbanks, or Juneau.
Verified May 1, 2026 · compiled from public sources, verify current rules with Alaska Department of Labor and Workforce Development — Mechanical Inspection Section before acting
Exam
Alaska DOLWD — Mechanical Inspection Section
Scope of Work
The Third Class license authorizes operation of boilers in the size range of 3,500 to 100,000 pounds of steam per hour. Source: Alaska Department of Labor and Workforce Development — Mechanical Inspection Section (https://labor.alaska.gov/lss/boiler_operator.htm).
Experience and Training
6 months experience under a Trainee/Third Class license, or 12 months of qualifying boiler operation, maintenance, or repair experience.
Exam
Required test. Scheduled by appointment with Mechanical Inspection offices in Anchorage, Fairbanks, or Juneau.
Verified May 1, 2026 · compiled from public sources, verify current rules with Alaska Department of Labor and Workforce Development — Mechanical Inspection Section before acting
Exam
Alaska DOLWD — Mechanical Inspection Section
Scope of Work
The Trainee certificate is Alaska's entry-level boiler operator credential. Boiler Operator certificates are not required by Alaska state law for general operation, but the state issues them for workers whose employers require certification for compliance. Source: Alaska Department of Labor and Workforce Development — Mechanical Inspection Section (https://labor.alaska.gov/lss/boiler_operator.htm).
Experience and Training
40 hours of training and 3 months experience, or 6 months of experience in operation, maintenance, or repair of boilers of a minimum size of 3,500 pounds of steam per hour or greater.
Exam
Required test. Scheduled by appointment with Mechanical Inspection offices in Anchorage, Fairbanks, or Juneau.
Verified May 1, 2026 · compiled from public sources, verify current rules with Alaska Department of Labor and Workforce Development — Mechanical Inspection Section before acting
Free educational resource. Not legal, financial, or career advice. Trades Navigator compiles state board rules, statutes, and federal data into a navigable layer linked to primary sources. We do not maintain editorial attestation on each line. Always verify the specific number, fee, deadline, or rule against the linked primary source before relying on it. Confirm any decision with the relevant state agency, a lawyer, or an accountant.
Correction reports open at launch (target May 2026).