A flight deck engineer can have a focus areas which may include: airplane system functions (hydraulics, electrical, flight controls, etc.) display formats, menus and control interfaces; display hardware; flight management system; instrument panel layouts, crew alerting, electronic flight bag; crew personal electronic devices, failure effects and analysis; navigation; communication equipment; crew procedures, crew training, human factors/cognition; and ergonomic analysis. A flight deck engineer can have a focus area which may include: airplane system functions (hydraulics, electrical, flight controls, etc.), display formats, menus and control interfaces, display hardware, flight management system, instrument panel layouts, crew alerting, electronic flight bag, crew personal electronic devices, failure effects and analysis, navigation, communication equipment, crew procedures, and crew training.