Commonwealth Consolidated Regulations

CIVIL AVIATION SAFETY REGULATIONS 1998 - REG 91.945

Approval of extension on application

  (1)   The operator of an aircraft may apply, in writing, for the approval of an extension of the rectification interval for an item specified in an MEL for the aircraft.

  (2)   An application under subregulation   (1) may be made to:

  (a)   if the operator is not a continuing airworthiness management organisation, and there is a continuing airworthiness management organisation for the aircraft that is permitted, in accordance with Part   42, to approve the extension--the continuing airworthiness management organisation; or

  (b)   in any case--CASA.

  (3)   If an application for the approval of an extension of a rectification interval is made under subregulation   (1), CASA or the continuing airworthiness management organisation (as the case may be) may, subject to subregulation   (5), approve the extension.

Approval of extension without application--continuing airworthiness management organisation is the operator

  (4)   A continuing airworthiness management organisation for an aircraft may, subject to subregulation   (5), approve an extension of the rectification interval for an item specified in an MEL for the aircraft, if:

  (a)   the continuing airworthiness management organisation is the operator of the aircraft; and

  (b)   the continuing airworthiness management organisation is permitted, in accordance with Part   42, to approve the extension.

Requirements for approval of extension

  (5)   An extension of the rectification interval (the original rectification interval ) for an item specified in an MEL for an aircraft must not be approved under subregulation   (3) or (4) unless:

  (a)   the item is inoperative; and

  (b)   the original rectification interval is a rectification interval of a kind prescribed by the Part   91 Manual of Standards for the purposes of this paragraph; and

  (c)   the operator is unable to rectify the item before the end of the original rectification interval because of circumstances beyond the operator's control; and

  (d)   the original rectification interval has not previously been extended in accordance with this regulation during the same continuous period throughout which the item has been inoperative; and

  (e)   the MMEL for the aircraft type does not prohibit an extension of the rectification interval for the item; and

  (f)   if a provision of these Regulations (other than this Subpart) permits the aircraft to operate with the item inoperative for a maximum period--the extended rectification interval for the item will not exceed that period; and

  (g)   the extended rectification interval will not exceed the period prescribed by the Part   91 Manual of Standards for the purposes of this paragraph.

Matters to be set out in approval

  (6)   An approval of an extension under subregulation   (3) or (4) must:

  (a)   be in writing; and

  (b)   set out the following:

  (i)   details of the inoperative item;

  (ii)   a statement to the effect that the operation of the aircraft with the inoperative item is permitted in accordance with this regulation;

  (iii)   the day on which the extended rectification interval starts (being a day not earlier than the day the notice is given);

  (iv)   the day on which the extended rectification interval ends; and

  (c)   for an approval by a continuing airworthiness management organisation--also include the following:

  (i)   the name and approval certificate reference number of the continuing airworthiness management organisation;

  (ii)   the name and signature of the individual who approved the extension on behalf of the continuing airworthiness management organisation.