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Aviation Maintenance Technician Powerplant — Information & Free Practice

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Aviation Maintenance Technician Powerplant

Provider
PSI Services, LLC, contracted by the Federal Aviation Administration
Format
Objective multiple-choice written knowledge test, with one correct response per independent question
Exam questions
Scored questions: 100.
Time limit
2 hours, including time for any validation questions
Passing score
70 percent
Examination outline

The authority publishes percentage ranges for each content area. The practice percentages below use the midpoint of each range, normalized to 100%; they are not exact percentages published by the authority. Practice question counts may differ slightly because of rounding.

  • Reciprocating Engines — Official range: 5–15% (Practice allocation: 9.76%)
    • Knowledge
    • Risk Management
  • Turbine Engines — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
  • Engine Inspection — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
  • Engine Instrument Systems — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
  • Engine Fire Protection Systems — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
  • Engine Electrical Systems — Official range: 5–15% (Practice allocation: 9.76%)
    • Knowledge
    • Risk Management
  • Engine Lubrication Systems — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
  • Ignition and Starting Systems — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
  • Engine Fuel and Fuel Metering Systems — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
  • Reciprocating Engine Induction and Cooling Systems — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
  • Turbine Engine Air Systems — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
  • Engine Exhaust and Reverser Systems — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
  • Propellers — Official range: 5–10% (Practice allocation: 7.32%)
    • Knowledge
    • Risk Management
Examination sources