2026 Year Book / Aircraft Year Book and Database, Digital Download (Five-User License)

Electronic Version via Digital Download (Five-User License).

The YEAR BOOK contains all TRA Standards and related information approved by the Association for tires, rims and allied parts for ground vehicles. These Standards include tire designations; tire load ratings and dimensions; approved rim contour(s) and valve(s) for each tire size; rim contour dimensions; valve dimensions; and other data and notes necessary for tire/rim/valve interchangeability.

The DATABASE contains individual load rating and General Data tables for all of the pneumatic tires covered in Section 1 through 7 of the YEAR BOOK.  In addition, there is a “combined” table containing all of the Highway tire load ratings and a table containing all of the Highway tire General Data (Section 1, 2, 3, and 7).

The AIRCRAFT YEAR BOOK contains all TRA Standards and related information approved by the Association for tires, rims and allied parts for aircraft. These Standards include tire designations; tire load ratings and dimensions; approved rim contour(s) and valve(s) for each aircraft tire size; rim contour dimensions; valve dimensions; and other data and notes necessary for aircraft tire/rim/valve interchangeability.

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