# The Air Navigation Order 1995, Paragraph 6: Period of Experience


A certificate of experience shall not be valid unless the experience was gained within the period of 13 months preceding the signing of the certificate in the case of Cases A, E, F and H, or 6 months preceding the signing of the certificate in the case of Case D.

---
Source: https://www.legislation.gov.uk/uksi/1995/1038/schedule/8/paragraph/6 (the official version)
Page: https://openlegislation.uk/air-navigation-order-1995/schedule-8/paragraph-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.