Heading System Sources - Avidyne IFD540 Installation Manual

6.8.1.3 Other Air Data Sources
The IFD5XX can be connected to Air Data Systems that transmit the following labels via
ARINC 429 if all the following is true:
The Air Data Computer provides the following labels:
203 – Pressure Altitude
204 - Barometric- Corrected Altitude
210 – True Airspeed
211 – Total Air Temperature
213 – Static Air Temperature
The Air Data source is TSO approved and has a separate installation approval
All wiring must be installed per the Air Data Computer's installation data

6.9 Heading System Sources

The IFD5XX can accept Heading data from multiple sources. The IFD5XX can accept heading
information from Heading Systems in the following formats: ARINC 429 or RS232. If
multiple heading sources are connected to the IFD5XX, the IFD5XX will use the heading
sources in this order (highest first):
1. ARINC 429 INS/IRU
2. ARINC 429 EFIS
3. ARINC 429 from GAD42
4. ARINC 429 from EHSI
5. ARINC 429 from GTX 33/330
6. ARINC 429 Traffic Advisory System
7. RS232 FADC
8. RS232 Lightning Detection System (The WX500 can only be used as a heading source
if it is configured for a Synchro output.)
The IFD5XX can be connected to the following IRU/AHRS systems:
Manufacturer
Collins
The Avidyne IFD5XX can accept heading information via ARINC 429 from other IRU/AHRS
sources if the following labels are provided:
314 - True Heading
320 - Magnetic Heading
600-00299-000
Model Data Format
AHS-85E
Table 53: IRU/AHRS Systems
Page 73 of 198
IFD5XX Installation Manual
Notes
ARINC 429 High Speed
Revision: 02