EFIS. FMS. Flight Director. What’s the difference and why should you care as a student pilot? Let’s start with EFIS. In older aircraft, pilots relied on the “six-pack”, six separate analogue instruments: • Airspeed Indicator • Attitude Indicator (Artificial Horizon) • Altimeter • Turn Coordinator • Direction Indicator • Vertical Speed Indicator With EFIS (Electronic Flight Instrument System), these same instruments are now displayed digitally on a glass panel. Same info. Just smarter, cleaner, a