The Ada 2005 Reference Manual combines the International Standard ISO/IEC 8652/1995(E) for the programming language Ada with the corrections of the Technical Corrigendum 1 approved by ISO in February 2001 and with the Amendment 1 expected to be approved by ISO in late 2006 or early 2007. Both the Technical Corrigendum 1 and the Amendment 1 list only the changes made to the International Standard.

Section 1: General.- Section 1: General.- Section 2: Lexical Elements.- Section 3: Declarations and Types.- Section 4: Names and Expressions.- Section 5: Statements.- Section 6: Subprograms.- Section 7: Packages.- Section 8: Visibility Rules.- Section 9: Tasks and Synchronization.- Section 10: Program Structure and Compilation Issues.- Section 11: Exceptions.- Section 12: Generic Units.- Section 13: Representation Issues.- The Standard Libraries.- Annex A (normative): Predefined Language Environment.- Annex B (normative): Interface to Other Languages.- Annex C (normative): Systems Programming.- Annex D (normative): Real-Time Systems.- Annex E (normative): Distributed Systems.- Annex F (normative): Information Systems.- Annex G (normative): Numerics.- Annex H (normative): High Integrity Systems.- Annex J (normative): Obsolescent Features.- Annex K (informative): Language-Defined Attributes.- Annex L (informative): Language-Defined Pragmas.- Annex M (informative): Summary of Documentation Requirements.- Annex N (informative): Glossary.- Annex P (informative): Syntax Summary.- Annex Q (informative): Language-Defined Entities.