51. Issue of Certificates of Airworthiness

General in accordance with the prescribed requirements.

Airworthiness for the purpose of experiment or test or any other purpose, provided that in such instance the aircraft may not be flown otherwise than in accordance with such conditions or limitations as are specified by the Director

General.

Certificate, which period shall not in any event exceed one year from the date of issue of such Certificate. A Certificate so issued may be renewed at the end of its period of validity, on application being made in that behalf to the Director

General.

Sri Lanka, which renders the aircraft unsafe for flight, the

Director General may suspend the Certificate of

Airworthiness until such time as the defect is corrected. The

Director General shall cancel the Certificate of Airworthiness where an aircraft is deemed permanently not airworthy.

Where a Certificate is cancelled, it shall be the duty of the holder of such Certificate to immediately hand over the

Certificate to the Director-General.