G1000

Core Components of the G1000 System:

1. Primary Flight Display (PFD):
   • Displays attitude, airspeed, altitude, heading, vertical speed, and navigation information.
   • Includes a horizontal situation indicator (HSI) for course tracking.
2. Multi-Function Display (MFD):
   • Provides moving maps, engine data, weather, traffic, and system status.
   • Can also display navigation data, supplementing the PFD.
3. Integrated Avionics Units (GIA 63/63W):
   • Serves as the brains of the system, housing:
     • Communication radios (COM 1/2).
     • Navigation radios (NAV 1/2).
     • GPS receivers (WAAS-enabled in the GIA 63W).
   • Two units provide redundancy.
4. Audio Panel (GMA 1347):
   • Controls audio sources, intercom functions, and marker beacon signals.
5. Air Data Computer (GDC 74A):
   • Measures and processes pitot-static inputs (airspeed, altitude, vertical speed).
6. Attitude and Heading Reference System (AHRS – GRS 77):
   • Provides attitude, heading, and rate-of-turn information.
   • Uses accelerometers, magnetometers, and rate sensors.
7. Magnetometer (GMU 44):
   • Measures the earth’s magnetic field to provide heading information to the AHRS.
8. Engine and Airframe Unit (GEA 71):
   • Monitors and displays engine data, fuel flow, and other system status information on the MFD.
9. Transponder (GTX 33/33ES):
   • Mode S transponder (ADS-B Out with ES option) for enhanced surveillance and compliance with FAA requirements.
10. Autopilot (if installed – GFC 700):
    • Fully integrated with the G1000 system.
    • Provides pitch, roll, and altitude control with vertical and lateral navigation modes.
11. Data Cards:
    • SD cards for database updates (navigation, terrain, and obstacle data) and logging flight data.
12. Backup Instruments:
    • Traditional analog instruments for airspeed, attitude, and altitude are typically installed as a redundancy.

Additional Features (Optional or Add-Ons):

1. Weather Radar (GWX 70):
   • Provides real-time weather radar data on the MFD.
2. Traffic Advisory System (TAS or TCAS):
   • Displays nearby aircraft for collision avoidance.
3. ADS-B In/Out:
   • Traffic and weather integration for enhanced situational awareness.

Things to Know for the Exam:

• System Redundancy:
  • Two GIA units ensure communication, navigation, and GPS redundancy.
  • AHRS and Air Data Computer ensure attitude and altitude data reliability.
  • Reversionary mode (single-screen operation) is available if a display fails.
• Power Sources:
  • Understand the electrical bus configuration for G1000 systems and the importance of backup batteries.
• Database Updates:
  • Familiarize yourself with the importance of keeping navigation, obstacle, and terrain databases current.
• Failure Procedures:
  • Be prepared to discuss actions in the event of PFD/MFD, AHRS, or ADC failures.