812AP1D1S3.1 Draft 1 of Supplement 3 to ARINC Specification 812AP1

Circulation Prior to Adoption Action

Draft 1 of Supplement 3 to ARINC Specification 812A: Standard Data Interface for Galley Insert (GAIN) Equipment, Part 1, CAN Communications

The ARINC Industry Activities staff prepared this draft based on recommendations from the GAIN Subcommittee held January 24-26, 2023, in Bowie, Maryland.

This supplement provides updates on several objectives for GAIN. These include:

• Clarifying Centralized Power Control Mode
• Fault Tolerance of the MGCU
• Updating Data Field Format

All technical changes are shown in blue bold.

The GAIN Subcommittee considers this draft to be mature.