Questions tagged [arinc-429]

ARINC 429 is both an electrical bus standard and a data transfer standard for aircraft avionics.

4 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
0answers
136 views

Why does the SSM decoding vary between different A429 label types

For A429 there are different label types, for example: BCD, BNR, Discrete... These types have their corresponding SSM (Sign/Status Matrix) that is unique, for example an SSM of "00" represents a ...
1
vote
0answers
63 views

Does the Flight Acquisition Unit on the Boeing 737 NG stream data?

I noticed on B737-800 entering the flight deck on the right side there is a port Data Loader and I think this is the Flight Acquisition Unit. Is this port used exclusively for loading data to FMCs etc ...
0
votes
0answers
42 views

GARMIN GTS 855, can i changing the Altitude Display Mode from ARINC 429 command?

I have GTS 855 without Garmin screen for control. I have my own screen that connect to the TCAS(GTS 855) via ARINC 429. It's possible to changing the Altitude Display Mode via ARINC 429 command? ...
0
votes
0answers
114 views

Best Way to certify DO-178 Communications Stack?

We currently have a piece of hardware running an RTOS that needs the communication stack to be certified to DAL-B. Everything has already been developed for non commercial aerospace applications, ...