National Occupational Classification, TEER 2

NOC 22231: Engineering inspectors and regulatory officers

Engineering inspectors and regulatory officers inspect transportation vehicles such as aircraft, watercraft, automobiles and trucks and weighing and measuring devices such as scales and meters as well as industrial instruments, processes and equipment for conformity to government and industry standards and regulations. Below are the main duties, all 41 job titles it covers, what it means for Express Entry and what it pays in each province.

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All NOC codes

  • Official NOC 2021 data
  • Job Bank wages

What is NOC 22231?

NOC 22231 is the code for engineering inspectors and regulatory officers in the National Occupational Classification (NOC) 2021. Job titles in this group include air carrier maintenance inspector, air transport inspector, airworthiness inspector and electricity and gas meter inspector. It is a TEER 2 occupation (usually a college diploma, an apprenticeship of 2 or more years, or a supervisory role), so it counts as skilled work for the Federal Skilled Worker Program and the Canadian Experience Class. The Job Bank median wage across Canada is $36.10 an hour.

NOC code
22231
TEER
2: College diploma or apprenticeship of 2+ years
Broad category
Natural and applied sciences and related occupations
Express Entry
Skilled (TEER 0 to 3)
Category draws
None
Median wage
$36.10 an hour

Job titles under NOC 22231

Engineering inspectors and regulatory officers inspect transportation vehicles such as aircraft, watercraft, automobiles and trucks and weighing and measuring devices such as scales and meters as well as industrial instruments, processes and equipment for conformity to government and industry standards and regulations. They are employed by government agencies and in the private sector.

Main job titles

  • air carrier maintenance inspector
  • air transport inspector
  • airworthiness inspector
  • electricity and gas meter inspector
  • elevator inspector
  • engineering inspector
  • engineering regulatory officer
  • insurance loss prevention inspector
  • marine damage surveyor
  • motor vehicle defects investigator
  • railway accident investigation officer
  • weights and measures inspector

All 41 job titles in the NOC index

air carrier maintenance inspector, air transport inspector, airworthiness inspector, ammunition safety inspector, boiler and machinery inspector, boiler inspector, broadcast interference inspector, cargo surveyor, consumer affairs inspector, crane inspector, electricity and gas meter inspector, elevator inspector, engineering department inspector, engineering department inspector - local government, engineering inspector, engineering regulatory officer, escalator inspector, flight operations inspector, freight car inspector, insurance loss prevention inspector, lifting gear inspector, loss prevention inspector - insurance, marine cargo surveyor, marine damage surveyor, marine surveyor, measurement specialist - oil and gas, measurement technician - oil and gas inspection, motor transportation inspector, motor transportation regulations officer, motor vehicle defects investigator, motor vehicle inspector, pipeline equipment inspector, pipeline inspector, quality assurance officer, radio interference investigator, railway accident investigation officer, railway inspector, road safety inspector, ship inspector, tensile strength inspector, weights and measures inspector.

Main duties of NOC 22231

This group performs some or all of the following duties:

Motor vehicles defects investigators

  • Conduct motor vehicle and motor vehicle component defect investigations, examinations, tests and defect-related accident investigations
  • Provide expert advice and testimony on specific motor vehicle performance problems or defects
  • Recommend improvements in vehicle inspection and licensing procedures and vehicle safety standards.

Railway accident investigation officers

  • Collect and analyze data from train derailments, collisions, and other accidents to determine the causes
  • Inspect and evaluate railway property, structures, rolling stock, signals, track structure and train handling characteristics to ensure compliance to operating standards.

Airworthiness inspectors

  • Conduct initial and regular inspections of establishments and individuals holding or applying for air carrier operating certificates and establishments engaged in aircraft maintenance, repair or modification
  • Inspect aircraft, advise of any deficiencies and detain aircraft suspected of being unairworthy or unsafe.
  • Inspectors, weights and measures
  • Conduct inspections and tests of a variety of mechanical and electronic weighing and measuring devices and systems
  • Prepare draft investigative reports of findings
  • Recommend corrective or enforcement action.
  • Oil and gas drilling rig inspectors
  • Conduct onshore and offshore inspections of drilling and well servicing equipment and processes to ensure compliance with regulations and policies and to recommend improvements and corrective action.

Employment requirements

  • University degree or college diploma in an appropriate engineering field or Trade qualifications and extensive related work experience are required.
  • Appropriate professional engineering or engineering technology certification and licences may be required.

Is NOC 22231 eligible for Express Entry?

Yes for the programs that need skilled work: TEER 2 is in the TEER 0 to 3 range IRCC accepts.

NOC 22231 and Express Entry
Program or drawNOC 22231
Federal Skilled Worker ProgramCounts as skilled work (TEER 0 to 3)
Canadian Experience ClassCounts as skilled work (TEER 0 to 3)
Federal Skilled Trades ProgramNot a listed trade
Occupation category draws (2026)Not on any occupation list
French-language proficiency (category draw)Open to any occupation with NCLC 7 in French

Read how TEER categories work and the full list of NOC codes in each 2026 category draw. Category draws also need at least 12 months of full-time work (or the same amount part-time) in one listed occupation within the past 3 years.

How much does NOC 22231 pay?

Job Bank wages for this occupation, per hour. Low and high are, in most cases, the 10th and 90th percentiles, so 8 in 10 workers earn somewhere between them.

NOC 22231 wages by province and territory
AreaLowMedianHigh
Canada$24.00$36.10$67.18
Newfoundland and Labrador$28.93$42.88$63.23
Nova Scotia$25.05$36.72$59.09
New Brunswick$25.83$37.25$55.59
Quebec$25.66$40.10$56.99
Ontario$29.37$35.35$58.97
Manitoba$30.00$44.62$75.55
Saskatchewan$32.46$45.76$57.46
Alberta$20.00$50.48$67.18
British Columbia$31.36$46.82$67.14

Source: Job Bank, Employment and Social Development Canada (Job Bank 2025 wages, revised November 19, 2025), data from 2023-2024 (Labour Force Survey). Wages for job offers in LMIA and provincial programs are compared with these figures, so check the current numbers on Job Bank before you rely on them.

Using NOC 22231 duties on your resume

Canadian resumes do not list NOC codes. Employers read your job titles, what you did and what came of it. The NOC duties are still a useful checklist: if you did these tasks, say so in your own words and add the numbers that prove it.

For Express Entry, the reference letter from your employer should describe the duties you really performed, in line with this lead statement and most of the main duties, without copying the NOC text word for word. The free reference letter generator checks your duties against NOC 22231 as you write.

  • Start each bullet with a strong verb and end it with a result: how many, how often, how fast.
  • Use the job title your employer used, even if the NOC title is different.
  • Keep immigration details such as your NOC code and permit type off the resume.

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Where this information comes from

Occupation codes, titles and descriptions are adapted from Statistics Canada, National Occupational Classification (NOC) 2021 Version 1.0. This does not constitute an endorsement by Statistics Canada of this product.

Wages come from Job Bank, Employment and Social Development Canada (Job Bank 2025 wages, revised November 19, 2025). Contains information licensed under the Open Government Licence – Canada.

Express Entry rules come from Immigration, Refugees and Citizenship Canada (IRCC): the program pages for the Federal Skilled Worker Program, the Canadian Experience Class and the Federal Skilled Trades Program, and the category-based selection page as modified on June 22, 2026.

Frequently asked questions

What is the NOC code for a air carrier maintenance inspector?

NOC 22231, Engineering inspectors and regulatory officers, a TEER 2 occupation in NOC 2021.

What TEER is NOC 22231?

TEER 2. Usually a college diploma, an apprenticeship of 2 or more years, or a supervisory role. The TEER is the second digit of the code. See all TEER categories.

Is NOC 22231 eligible for Express Entry?

Yes. As a TEER 2 occupation it counts as skilled work for the Federal Skilled Worker Program and the Canadian Experience Class. You still have to meet every other requirement, and your duties must match the NOC description.

Is NOC 22231 in an Express Entry category-based draw?

No. It is not on any 2026 occupation list. The French-language proficiency category is open to any occupation if you reach NCLC 7 in French. See every category.

How much does NOC 22231 pay in Canada?

The Job Bank median across Canada is $36.10 an hour, with most wages between $24.00 and $67.18. Pay varies by province: see the table above.

Where is the official description?

On the Statistics Canada and ESDC NOC site: search 22231 in NOC 2021 Version 1.0. This page shows the same text, from the open data Statistics Canada publishes.

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