Document ID: chunk:federal_register_of_legislation:F2016L01941:body:0:p3
Version: federal_register_of_legislation:F2016L01941
Segment Type: other
Provision Reference: 
Character Range: 5823–7493

this AD to a document being in force from time to time, is a reference only to the latest / current version of the document.
                This AD commences on 6 January 2017.
Background:     Amendment 7 recognised the cycle life limit of USA 3HT, and UK HOLASW cylinders. It has been established for emergency oxygen systems that the normal frequency of topping up, and only cycling pressure from despatch limits to maximum, will allow this class of cylinder where applicable, to retain its full remaining calendar life. However, where no records exist, cylinders for routine high altitude use must be assumed to have been fully cycled from empty to full, and on a regular basis.

                Amendment 8 aligned the Directive with the change in the Australia Standard AS 2337.1 which requires the valve to be inspected along with the gas cylinder and regulator.

                Amendment 9 was issued because US DOT Exemption E 8162 had been superseded by US DOT Special Permit SP 8162 dated 11 May 2007. US DOT-SP 8162 changes the hydrostatic test interval of lightweight composite oxygen cylinders from 3 years to 5 years for cylinders that have been tested after 1 July 2006.

                Amendment 10 was issued to limit the applicability of the AD to CASR Part 42 aircraft only. This AD will be repealed after the requirements are incorporated into a future amendment of the Part 42 Manual of Standards.

                Amendment 11 was issued to clarify the applicability under CASR Subpart42.J.

   Amendment 12 is issued to make minor editorial changes.

Ben Wilson
Delegate of the Civil Aviation Safety Authority

12 December 2016