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AEROPASS
EASA PART-66 · B1.1

Prepare for EASA Part-66 Module 5, Digital Techniques and Electronic Instrument Systems.

For category B1.1, Module 5 is 40 multiple-choice questions in 50 minutes, three choices each, and you need 75% to pass. It covers electronic displays, numbering systems, logic, computers, data buses, fibre optics, ESD and EFIS.

Take the free practice testGet the app
20 questions · about 24 minutes · no sign-up
THE REAL EXAM
Questions
40, 3 choices each
Time
50 minutes
Pass mark
75%
Category
B1 (also B2 at a higher level)

WHAT YOU GET IN THE APP

  • 01

    Numbers and logic

    Binary, octal and hex conversion, logic gates and truth tables, data conversion.

  • 02

    Aircraft computers

    Data buses such as ARINC 429, fibre optics, electronic displays, software management and ESD.

  • 03

    A debrief for every answer

    Why each choice is right or wrong, and the rule to remember.

Full Module 5 bank and 4 mock exams in the app, in the Part-66 B1.1 pack.

SAMPLE QUESTION
Q 01P66 M5 · PRACTICE
5.4 Data buses

How many transmitters may be connected to one ARINC 429 bus?

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.

+Do I need to convert numbers by hand?

Yes. Expect binary, octal, decimal and hexadecimal conversions without a calculator.

STUDY TOPICS

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

OTHER EXAMS