Module 5 — Digital Techniques & Electronic Instrument Systems EASA Part-66 B1 & B2
Practice Module 5 — Digital Techniques & Electronic Instrument Systems Questions
Try 3 free questions from the EASA Part-66 Module 5 — Digital Techniques & Electronic Instrument Systems exam. Covers logic gates, processors, data buses, fibre optics, and EFIS displays.
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Question 1 of 3 — Section 5
Which of the following could be a primary cause of HIRF protection failure?.
Explanation: Unserviceable radio filters allow RF interference to pass into equipment — they are a primary defence against conducted HIRF.
Question 2 of 3 — Section 5.1
A BITE check for automatic performance and fault monitoring is carried out when
Explanation: Automatic BITE continuously monitors system performance and detects faults during flight without crew intervention, providing real-time health status.
Question 3 of 3 — Section 5.10
What is an Optical Time Domain Reflectometer (OTDR) used for?
Explanation: An OTDR sends light pulses down the fibre and analyses reflections to create a distance-vs-loss profile, locating connectors, splices, breaks, and excessive bends.
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