Guidance

Air Safety Information Management System (ASIMS) user manual

This user manual is intended to be an easy to use reference for ASIMS users, and should be read in conjunction with Regulatory Article 1410.

• From: Ministry of Defence and Military Aviation Authority
• Published: 14 November 2014
• Last updated: 17 September 2026
  Show all updates

  1. 17 September 2026

     Issue 1 AL 8 of Hashtag definitions has been published.

  2. 26 June 2026

     Issue 8 AL 13 of the findings taxonomy and issue 6 AL 14 of the taxonomy definitions have been published.

  3. 8 December 2025

     Issue 8 AL12 of the findings taxonomy and issue 6 AL13 of the taxonomy definitions have been published.

  4. 2 December 2025

     Issue 8 AL 1 of the ASIMS user manual has been published.

  5. 5 September 2025

     Issue 1 AL 7 of Hashtag Definitions has been published.

  6. 2 September 2025

     Issue 8 AL11 of Findings Taxonomy has been published.

  7. 26 August 2025

     Issue 8 AL10 of Findings Taxonomy has been published.

  8. 22 May 2025

     Issue 8 AL9 of Findings Taxonomy and issue 6 AL12 of Taxonomy Definitions have been published.

  9. 15 April 2025

     Issue 8 of the ASIMS user manual has been published.

  10. 7 February 2025

      A new version of the update and bug fix log has been published.

  11. 13 November 2024

      New versions of the Technical Taxonomy and Hashtags Definitions have been published.

  12. 1 November 2024

      A new version of the update and bug fix log has been published.

  13. 27 September 2024

      A new version of the update and bug fix log has been published.

  14. 10 September 2024

      A new version of the Update and Bug Fix Log has been published.

  15. 4 September 2024

      Issue 1 AL5 of the Hashtag Definitions and Issue 8 AL 8 of Findings Taxonomy have been published.

  16. 30 August 2024

      A new version of the update and bug fix log has been published.

  17. 28 August 2024

      A new version of the technical taxonomy has been published.

  18. 5 August 2024

      A new version of the update and bug fix log has been published.

  19. 8 July 2024

      ASIMS user manual Issue 7 AL 27 and a new version of the Update and Bug Fix Log have been published.

  20. 20 May 2024

      A new version of the findings taxonomy and taxonomy definitions have been published.

  21. 15 May 2024

      The ASIMS HashTag Definitions - Issue 1 AL 4 and Taxonomy Definitions - Issue 6 AL10 have been published.

  22. 5 April 2024

      A new version of the Update and Bug Fix Log has been published.

  23. 4 March 2024

      DASOR findings taxonomy issue 8 AL 6 and taxonomy definitions issue 6 AL 9 have been published.

  24. 1 March 2024

      ASIMS user manual issue 7 AL 23 and a new version of the update and bug fix log have been published.

  25. 23 February 2024

      Findings taxonomy Issue 8 AL 5 has been published.

  26. 6 February 2024

      ASIMS user manual issue 7 AL 22 has been published.

  27. 1 February 2024

      A new version of the update and bug fix log has been published.

  28. 19 January 2024

      ASIMS user manual issue 7 AL 21 has been published.

  29. 18 January 2024

      A new version of the update and bug fix log has been published.

  30. 8 January 2024

      A new version of the update and bug fix log has been published.

  31. 20 December 2023

      ASIMS user manual issue 7 AL 20 has been published.

  32. 14 December 2023

      A new version of the update and bug fix log has been published.

  33. 23 November 2023

      A new version of the update and bug fix log has been published.

  34. 16 November 2023

      A new version of the update and bug fix log has been published.

  35. 16 November 2023

      The Hashtag definitions document issue 1 AL3 has been published.

  36. 13 November 2023

      The ASIMS user manual issue 7 AL 19 has been published.

  37. 10 November 2023

      A new version of the update and bug fix log has been published.

  38. 9 November 2023

      A new version of the update and bug fix log has been published.

  39. 7 November 2023

      Findings taxonomy issue 8 AL 4 and taxonomy definitions issue 6 AL 8 have both been published.

  40. 2 November 2023

      A new version of the update and bug fix log has been published.

  41. 27 October 2023

      The ASIMS user manual issue 7 AL 18 has been published.

  42. 26 October 2023

      A new version of the update and bug fix log has been published.

  43. 12 October 2023

      A new version of the update and bug fix log has been published.

  44. 12 October 2023

      The ASIMS user manual issue 7 AL 17 has been published.

  45. 28 September 2023

      A new version of the update and bug fix log has been published.

  46. 22 September 2023

      A new version of the update and bug fix log has been published.

  47. 20 September 2023

      The Hashtag definitions document issue 1 AL2 has been published.

  48. 18 September 2023

      The ASIMS user manual issue 7 AL 16 has been published.

  49. 13 September 2023

      A new version of the update and bug fix log has been published.

  50. 13 September 2023

      Findings taxonomy issue 8 AL 3 and taxonomy definitions issue 6 AL 7 have both been published.

  51. 11 September 2023

      The ASIMS user manual issue 7 AL 15 has been published. The previous issue was incorrectly changed to issue 8.

  52. 5 September 2023

      The ASIMS user manual issue 8 AL 15 has been published.

  53. 29 August 2023

      The ASIMS user manual issue 7 AL 14 has been published.

  54. 14 August 2023

      The ASIMS user manual issue 7 AL 13 has been published.

  55. 2 August 2023

      A new version of the update and bug fix log has been published.

  56. 24 July 2023

      A new version of the update and bug fix log has been published.

  57. 6 July 2023

      A new version of the update and bug fix log have been published.

  58. 23 June 2023

      The ASIMS user manual issue 7 AL 12 and a new version of the update and bug fix log have been published.

  59. 22 June 2023

      The Findings Taxonomy document Issue 8 AL 2 and the Taxonomy Definitions document Issue 6 AL 6 have been published.

  60. 26 May 2023

      A new version of the update and bug fix log has been published.

  61. 2 May 2023

      The ASIMS user manual issue 7 AL 11 and a new version of the update and bug fix log has been published.

  62. 21 April 2023

      The Findings Taxonomy document Issue 8 AL 1 and the Taxonomy Definitions document Issue 6 AL 5 have been published.

  63. 12 April 2023

      A new version of the update and bug fix log has been published.

  64. 5 April 2023

      The ASIMS user manual issue 7 AL 10 and a new version of the update and bug fix log has been published.

  65. 27 March 2023

      The findings taxonomy document issue 7 AL 9 has been published.

  66. 9 March 2023

      The findings taxonomy document issue 6 AL 9 has been published.

  67. 3 March 2023

      A new version of the update and bug fix log has been published.

  68. 28 February 2023

      The ASIMS user manual issue 7 AL 9 has been published.

  69. 27 February 2023

      A new version of the update and bug fix log has been published.

  70. 17 February 2023

      A new version of the update and bug fix log has been published.

  71. 2 February 2023

      The ASIMS user manual issue 7 AL 8 and a new version of the update and bug fix log has been published.

  72. 20 January 2023

      The ASIMS user manual issue 7 AL 7 has been published.

  73. 19 January 2023

      A new version of the update and bug fix log has been published.

  74. 16 January 2023

      The ASIMS user manual issue 7 AL 6 has been published.

  75. 13 January 2023

      A new version of the update and bug fix log has been published.

  76. 15 December 2022

      The taxonomy definitions document issue 6 AL 4 has been published.

  77. 18 November 2022

      ASIMS user manual issue 7 AL5 has been published.

  78. 17 November 2022

      A new version of the update and bug fix log has been published.

  79. 26 October 2022

      A new version of the update and bug fix log has been published.

  80. 20 October 2022

      A new version of the update and bug fix log has been published.

  81. 6 October 2022

      A new version of the Update and Bug Fix Log has been published.

  82. 4 October 2022

      ASIMS user manual issue 7 AL3 has been published.

  83. 22 September 2022

      A new version of the Update and Bug Fix Log has been published.

  84. 21 September 2022

      ASIMS user manual issue 7 AL2 has been published.

  85. 5 September 2022

      The findings taxonomy document issue 5 AL 9 and taxonomy definitions issue 5 AL 4 have been published.

  86. 28 July 2022

      The taxonomy definitions document issue 4 AL 4 has been published.

  87. 19 July 2022

      The findings taxonomy document issue 4 AL 9 has been published.

  88. 6 July 2022

      ASIMS user manual issue 7 AL 1 has been published.

  89. 8 June 2022

      The Technical taxonomy document has been amended.

  90. 27 April 2022

      A new version of the Update and Bug Fix Log has been published.

  91. 7 February 2022

      ASIMS User Manual Issue 7 AL 0 and the Update and Bug Fix Log have been published.

  92. 5 January 2022

      The following documents have been added: technical taxonomy; findings taxonomy; taxonomy definitions; update bug fix log

  93. 30 July 2021

      AL 6 issue 15 of the ASIMS user manual has been published.

  94. 23 July 2021

      AL 6 issue 14 of the ASIMS user manual has been published.

  95. 4 May 2021

      AL 6 issue 13 of the ASIMS user manual has been published.

  96. 28 January 2021

      AL 6 Issue 12 of the ASIMS user manual has been published.

  97. 14 January 2021

      AL 6 Issue 11 of the ASIMS user manual has been published.

  98. 11 June 2020

      Issue 9 AL 6 of the ASIMS user manual has been published.

  99. 8 April 2020

      Issue 8 AL 6 of the ASIMS user manual has been published.

  100. 10 May 2019

       Version 6.6 of the ASIMS user manual has been published.

  101. 7 March 2019

       Version 6.5 of the ASIMS user manual has been published.

  102. 5 February 2019

       Updated ASIMS user manual, Issue 6 AL 4, has been published in line with the release of ASIMS version 3.3.2.

  103. 9 October 2018

       Version 6.3 of the ASIMS user manual has been published.

  104. 24 March 2017

       Manual has been updated

  105. 1 April 2016

       Version 6 of the ASIMS user manual has been published.

  106. 1 July 2015

       Version 5.4 of the ASIMS user manual has been published

  107. 2 June 2015

       Link to ASIMS added to related information section.

  108. 26 January 2015

       Version 5.2 of the ASIMS user manual has been published

  109. 14 November 2014

       First published.

Documents

ASIMS user manual

Ref: Issue 8

PDF, 16.9 MB, 308 pages

Technical taxonomy

Ref: Issue 3 AL 10

PDF, 176 KB, 3 pages

Findings taxonomy

Ref: Issue 8 AL 13

PDF, 199 KB, 5 pages

Taxonomy definitions

Ref: Issue 6 AL 14

PDF, 379 KB, 25 pages

Update and bug fix log

PDF, 518 KB, 53 pages

Hashtag definitions

Ref: Issue 1 AL8

MS Excel Spreadsheet, 163 KB

Details

The Air Safety Information Management System is a web based tool to support the reporting, management and analysis of air safety occurrences, investigations and recommendations.

Related Information

• ASIMS (this application is available from any device connected to the internet and on internal MOD network)
• Regulatory Article (RA) 1410