Issue 1

Issued: 26 November 2019

Reviewed: 17 December 2021

Effective: on issue


Overseas Territories Aviation Circulars are issued to provide advice, guidance and information on standards, practices and procedures necessary to support Overseas Territory Aviation Requirements.  They are not in themselves law but may amplify a provision of the Air Navigation (Overseas Territories) Order or provide practical guidance on meeting a requirement contained in the Overseas Territories Aviation Requirements.


The purpose of this OTAC is to provide information and guidance on the use of Synthetic Training Devices (STD) in the training of ATS personnel.


Fist issue.


Enquiries regarding the content of this Circular should be addressed to Air Safety Support International at the address on the ASSI website ( or to the appropriate Overseas Territory Aviation Authority.