BENDIXKing KSN 8 Series - Heading System Sources

89000046-014 KSN 780/8XX/900 AeroNav AML STC Installation Manual for Helicopters
Rev 0 Page 6-20
© Honeywell International Inc. Do not copy without express permission of Honeywell.
6.8.1.3 Other Air Data Sources
The AeroNav XXX 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 AeroNav XXX can accept Heading data from multiple sources. The AeroNav XXX can accept
heading information from Heading Systems in the following formats: ARINC 429 or RS232. If multiple
heading sources are connected to the AeroNav XXX, the AeroNav XXX 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. Synchro Heading (N/A for AeroNav 880/780)
8. RS232 FADC
9. RS232 Lightning Detection System (The WX500 can only be used as a heading source if it is
configured for a Synchro output.)
The AeroNav 880/900 can be connected to the following IRU/AHRS systems:
Manufacturer
Model
Data Format
Notes
Collins
AHS-85E ARINC 429 High Speed
Table 70 IRU/AHRS Systems
The BendixKing AeroNav XXX can accept heading information via ARINC 429 from other IRU/AHRS
sources if the following labels are provided:
• 314 - True Heading
• 320 - Magnetic Heading
IRU/AHRS not listed in the table above can still be approved if the following conditions are met:
• The IRU/AHRS provides ARINC 429 labels 314 and/or 320;
• The IRU/AHRS installation is previously FAA approved;
• The AeroNav XXX must be installed per Section 4.5.1.
• The AeroNav XXX must pass the ground test in Section 7.6.16 before returning aircraft to
service