Digital Techniques / Electronic Instrument Systems
Number systems, logic, data buses and electronic instruments.
Cat A additionally sits Electronic Instrument Systems, Numbering Systems, Basic Computer Structure, Electrostatic Sensitive Devices, Software Management Control, Electromagnetic Environment, Typical Electronic / Digital Aircraft Systems.
- 5.1→
Electronic Instrument Systems
Level 1Familiarisation with the layout of an electronic flight instrument system, which data appears on the primary flight display and which on the navigation display.
- 5.2→
Numbering Systems
Level 1Familiarisation with the binary, octal and hexadecimal numbering systems and how each relates to decimal.
- 5.6→
Basic Computer Structure
Level 1Familiarisation with computer terminology, the CPU, memory and input/output blocks, the three buses, and which memory types keep their contents without power.
- 5.11→
Electronic Displays
Level 2Principles of operation of display types used in modern aircraft, cathode ray tube, light emitting diode, liquid crystal display including active matrix, and plasma.
- 5.12→
Electrostatic Sensitive Devices
Level 1Awareness of components that are damaged by electrostatic discharge, the risks involved, and the anti-static precautions that protect them.
- 5.13→
Software Management Control
Level 1Awareness of the restrictions on changing airborne software, and of the possible catastrophic effects of an unapproved change.
- 5.14→
Electromagnetic Environment
Level 1Awareness of EMC, EMI, HIRF and lightning, and of how they influence maintenance practices on electronic systems.
- 5.15→
Typical Electronic / Digital Aircraft Systems
Level 1Familiarisation with the typical systems fitted to a modern aircraft, EFIS, ECAM/EICAS, FMS, GPS, IRS, FBW, TCAS and ACARS, and what each one does.
- 5 · EXAM→
Mock Exam
Level 1Timed EASA-style Category A paper, stratified across the sub-sections Cat A sits, 20 questions in 25 minutes, 75% to pass.