Standard Schedules Information Manual (SSIM)

What’s inside the SSIM?

• Chapter 2 – Information Required for Standard Schedules (Data Requirements, Data Representation, Data Elements and Data Element Identifiers)
• Chapter 3 – Standard Print Layouts for Schedules Information (Data Elements Required, Code Sharing Flights, Plan Change, Examples)
• Chapter 4 – Standard Schedules Message Procedure (Principles and Rules, Messaging Standards, Technical Message Specification)
• Chapter 5 – Ad hoc Schedules Message Procedure (Principles and Rules, Message Standards, Technical Specification, Technical Message Specification)
• Chapter 6 – Airport Coordination Procedures (Principles and Rules, Standard Procedures and Messages, Message Standards, Message Specifications)
• Chapter 7 – Presentation and Transfer of a Schedule Data Set (Principles for the Transfer of Computerized Schedules, Computerized Schedules Constraints, Application)
• Chapter 8 – Presentation, Application, and Transfer of Minimum Connecting Time (MCT) Data (Establishing MCTs, Practice for the Submission of MCTs, Application)
• Appendix A IATA Aircraft Types (Aircraft Type Codes, Aircraft Group Codes, ICAO Codes)
• Appendix B Meal Service Codes
• Appendix C Service Types
• Appendix D Passenger Terminal Indicators (Assignment Principles, List of Passenger Terminals)
• Appendix F UTC-Local Time Comparisons and ISO Two letter Country Codes (ISO country code, time Zone, Standard variation to UTC, Daylight Saving Time information)
• Appendix G Traffic Restriction Codes Table
• Appendix H Explanatory Notes on SSIM Applications
• Appendix I Region Codes (Region codes, IATA TC areas, ISO country codes)
• Appendix J Information Codes for Use in the Airport Coordination Process (Additional information Codes, Coordinator Reason Codes)
• Appendix K General Aviation Slot Clearance Request
• Attachment 3 MCT Coordinator Contacts

What’s new in the SSIM?

Every year, the SSIM is published to keep the industry up-to-date on the latest standardization in technique, format and conventions in airlines schedules data.

Effective as March 1^st, 2023, the 33rd SSIM significant changes include:

1. Chapter 2 – New data elements providing operators with additional waitlist information to transmit using SSIM standards: Requested Aircraft Code, Requested Arrival Route, Requested Aircraft Seats, Requested Departure Route and Requested Terminal Identifier [Effective 31 October 2023]
2. Chapter 6 – New waitlist information added: Requested Aircraft Code, Requested Arrival Route, Requested Aircraft Seats, Requested Departure Route and Requested Terminal Identifier [Effective 31 October 2023]
3. Appendix A – New and revised Aircraft Type Codes
4. Appendix D – New and revised Passenger Terminal entries
5. Appendix I – Revised Country name
6. Terminal Registration and Change Request form to be used for the submission of the Passenger Terminal amendments for inclusion in Appendix D is available in the eSSIM and on the plan standard board page
7. Watchlist for potential new aircrafts, airports and passenger terminals (eSSIM)