Manufacturer's Code Assignment Information

The AEEC serves as the administrator of the Manufacturer's Designator Codes documented in ARINC Report 665, Loadable Software Standards.

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The Manufacturer's Designator Code is assigned to an organization that develops loadable software aircraft parts. The Manufacturer's Designation Code is a three-letter code, all upper-case which is incorporated in the part number of the software. Generally, only one MMM code is assigned to each corporation or company.

The AEEC staff:

• Assigns MMM codes to industry organizations, on request, within the guidelines and restrictions provided in ARINC Report 665.
• Maintains a database of all assigned MMM codes.
• Publishes current MMM code assignments in the Technical Application Bulletin, List of Assigned Manufacturer's Codes (MMM)

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TO APPLY FOR A MANUFACTURER'S CODE ASSIGNMENT

• Submit your request electronically
• Download the request form (pdf, 17K)