AMC 21.A.609(c) and (d) Obligations of holders of UKTSO authorisations

CAA ORS9 Decision No. 48

Any DAH or DAA who wishes to install a UKTSO article should comply with point 21.A.303.

For this, the applicant for a UKTSO authorisation may provide by the time of the application and before the authorisation is issued (in accordance with point 21.A.605) the following:

— instructions that cover periodic maintenance, calibration, and repair for the continued airworthiness of the article, including specific guidance on the limits of wear and damage that would warrant replacement;

— the recommended inspection intervals, which may be affected by storage and operating conditions (i.e. temperature, humidity, etc.).