(d)
reliability monitoring, engine health monitoring

(e)
maintenance programme development and amendments

(f)
any other activities which do not limit the operators responsibilities as agreed by CAD.

7.  
The operator's  management  controls associated  with sub-contracted  continuing airworthiness management tasks should be reflected in the associated written contract and be in accordance with the operator's  policy and procedures defined in his continuing airworthiness management exposition. When such tasks are sub-contracted the operator's continuing airworthiness management system is considered to be extended to the sub-contracted organisation.

8.  
With the exception of engines and auxiliary power units contracts would normally be limited  to one organisation per aircraft type  for any combination  of the activities described in Appendix 2. Where arrangements are made with more than one organisation the operator should demonstrate adequate co-ordination controls are in place and that the

individual responsibilities are clearly defined in related contracts.

9.  
Contracts should not authorise the sub-contracted organisation to sub-contract to other organisations elements of the continuing airworthiness management tasks.

10.
The operator should ensure that any findings arising from CAD monitoring   of the sub-contracted continuing airworthiness management  tasks will be closed to the satisfaction of CAD. This provision should be included in the contract.

11.
The sub-contracted organisation should agree to notify the respective operators of any changes affecting the contracts as soon as practical. The operator should then inform CAD. Failure to do so may invalidate CAD acceptance of the contract.

12.
Appendix  II provides information on the  sub-contracting of continuing airworthiness management tasks.

13.
The operator should only sub contract to organisations which are specified by CAD on the AOC or CAD Form 14 as applicable.

AMC M.201 (h) 2- Responsibilities
1.  The requirement is intended to provide for the possibility of the following three alternative options:
(a)
an operator to be approved in  accordance with MCAR-145 to carry out all maintenance of the aircraft and components;

(b)
an operator to be approved in accordance with MCAR-145 to carry out some of themaintenance of the aircraft and components. This, at minimum, could be limited line maintenance but may be considerably more but still short of option (a);

(c)
An  operator not approved  in accordance  with MCAR-145 to carry out any maintenance.

2.  An operator or prospective operator may apply for any one of these options but it will be for CAD to determine which option may be accepted in each particular case.
2.1. To make this determination CAD will apply the primary criteria of relevant operator experience if carrying out some or all maintenance on comparable aircraft. Therefore where an operator  applies  for  option (a) – all  maintenance  – CAD will need to be satisfied that the operator has sufficient experience of carrying  out all maintenance  on a comparable  type. For example, assuming that the experience is judged satisfactory, then it is reasonable from the maintenance viewpoint to add a different wide bodied aircraft to an existing wide bodied fleet. If the experience is not satisfactory or too limited CAD may choose either to require more experienced management and/or more experienced release to service staff or may refuse to accept the new wide bodied aircraft if extra experienced staff cannot be found. Option (b) or (c) may be possible alternatives.
2.2. Where an operator applies for option (b) – some maintenance or CAD   has been unable to accept an application  for  option  (a) – then satisfactory experience is again the key but in this case  the satisfactory experience is related to the reduced maintenance of this option. If the experience is not satisfactory or too limited CAD may choose to require more experienced staff or may refuse to accept the application if such staff cannot be found. Option (c) may be the possible alternative. Option (c) accepts that the operator either does not have satisfactory experience or has only limited experience of some maintenance.
　
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