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AEROPASS
EASA PART-66 · B1.1

Prepare for EASA Part-66 Module 15, Gas Turbine Engine.

For category B1.1, Module 15 is 92 multiple-choice questions in 115 minutes, three choices each, and you need 75% to pass. It covers engine theory, inlets, compressors, combustion, turbines, exhausts, bearings, lubrication, fuel, air, starting, indication, power augmentation, APUs and engine monitoring.

Take the free practice testGet the app
20 questions · about 24 minutes · no sign-up
THE REAL EXAM
Questions
92, 3 choices each
Time
115 minutes
Pass mark
75%
Category
B1.1 (also B1.3)

WHAT YOU GET IN THE APP

  • 01

    From Brayton cycle to APU

    Thrust, compressors, combustion, turbines, exhausts, bearings and seals.

  • 02

    Systems and operation

    Lubrication, fuel control, FADEC, starting and ignition, indication, fire protection and ground running.

  • 03

    A debrief for every answer

    Why each choice is right or wrong, and how the engine works.

Full Module 15 bank and 4 mock exams in the app, in the Part-66 B1.1 pack.

SAMPLE QUESTION
Q 01P66 M15 · PRACTICE
15.4 Compressors

What is the main advantage of a centrifugal compressor?

FAQ

+Is this the real EASA question bank?

No. Exam questions are set by each authority or Part-147 organisation and are not published. AeroPass questions are written from Part-66 Appendix I and public FAA maintenance handbooks.

+Does one purchase cover other modules?

Yes. One purchase unlocks every EASA Part-66 B1.1 module in the app as it is released.

+Does it cover turboprops and turboshafts?

Yes, as far as the Module 15 syllabus does: turboprop and turboshaft engines are included.

STUDY TOPICS

Short guides to each part of the exam, each with free sample questions.

OTHER EXAMS