Gas Turbine Technician - First Class

ASOPE® offers an opportunity to obtain a Gas Turbine Technician - First Class license. A list of qualifications that are required to receive your Gas Turbine Technician - First Class license are outlined below. Requirements include a minimum age of 18+ years, a high school diploma (or GED equivalent), and 4 years minimum experience as a Second Class Gas Turbine Technician.

If all qualifications are met, you will be required to schedule an exam. The exam consists of a wide range of curriculum including, but not limited to, gas generators, shaft speed, auxiliary systems, performance testing, generator consturction and more. This examination will be part written test and part multiple choice with 100 questions. Upon completion of the Gas Turbine Technician - First Class license exam, an ASOPE® representative will notify of a "pass" or "fail" status. If failed, you will be offered additional opportunities to retake the exam. Please review our Failed Test Procedures to learn more.

If you have any questions or concerns regarding the Gas Turbine Technician - First Class license, please contact the ASOPE® national office.


  • Minimum age - Adult
  • Education - High School Diploma / GED or Equivalent
  • Experience - Four years
  • Minimum time in previous grade - Two Years
  • Examination - Written (Oral or Practical when necessary)

Curriculum at the Minimum:

  • Suitability for Peaking and Black Start
  • The Aero Jet Engine
  • Gas Generator
  • Free Turbine
  • Multi-shaft Arrangements
  • Shaft Speeds
  • Auxiliary Systems
  • Compressed Air Starting
  • Start-up and Operating Procedures
  • Controls
  • Operator-Maintenance Coordination
  • Types of Maintenance:  Running, Predictive and Preventive
  • Operator Observations, Abnormalities and Defect Reports
  • On-line and Off-line Maintenance
  • Pressures and Temperatures
  • Performance Testing
  • Vibration Analysis
  • Pre-planned Maintenance and Scheduled Outages
  • Inspections: Combustion Equipment, Hot Gas Path and Major Overhaul
  • Examination by Borescope
  • Generator Construction
  • Hydrogen and Air Cooling
  • Excitation Systems
  • Control of MVARS
  • Synchronizing
  • Parallel Operation
  • Auxiliary Power Supplies
  • Generator Protection
  • Basic Management Practices
  • Electrical Transmission and Distribution Systems
  • General Industrial Safety
  • Environmental Regulations and Protection