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190-00595-01 Rev. B
Garmin G1000 Pilot’s Guide for the Beechcraft A36/G36
3
SYSTEM OVERVIEW
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& cNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
•
GDC 74A
(1) – Processes data from the pitot/static system as well as the OAT probe. This unit provides
pressure altitude, airspeed, vertical speed and OAT information to the G1000 system, and it communicates with
the GIA 63(W)s, the displays, and the GRS 77, using an ARINC 429 digital interface (it also interfaces directly
with the GTP 59). The GDC 74A is designed to operate in Reduced Vertical Separation Minimum (RVSM)
airspace.
•
GEA 71
(2) – Receives and processes signals from the engine and airframe sensors. This unit communicates
with both GIA 63(W)s using an RS-485 digital interface.
•
GRS 77
(1) – Provides aircraft attitude and heading information via ARINC 429 to both displays and both
GIA 63Ws. The GRS 77 contains advanced sensors (including accelerometers and rate sensors) and interfaces
with the GMU 44 to obtain magnetic field information, with the GDC 74A to obtain air data, and with both
GIA 63/63Ws to obtain GPS information. AHRS modes of operation are discussed later in this document.
•
GMU 44
(1) – Measures local magnetic field. Data is sent to the GRS 77 for processing to determine aircraft
magnetic heading. This unit receives power directly from the GRS 77 and communicates with the GRS 77
using an RS-485 digital interface.