You must hold an existing Part 66 Aircraft Maintenance Licence and have met the relevant knowledge and experience
requirements to extend to include another Category/Sub-Category.
If your experience has been gained in an EASA 145 Maintenance Organisation but an overseas
company, original logbooks/worksheets and examination certificates will be required.
If your experience has been gained outside an EASA 145 Maintenance Organisation then you will be
unable to proceed with your application at this present time. If you require more information or guidance on what to do
next please email firstname.lastname@example.org.
When extending the Part 66 Aircraft Maintenance Licence you are required to complete the relevant modules applicable
to the Category/Sub-Category you are applying for (for information on the modules/part modules you will need to email
You will be required to provide the minimum civil aircraft maintenance experience requirement appropriate to the
additional Category/Sub-Category of licence applied for as defined in Commission Regulation (EU) No 1149/2011, Appendix
IV. This experience can be documented in the form of a logbook and/or worksheets ensuring the tasks have been signed
off by the appropriate signatory.
The experience requirement will be reduced by 50% if you have completed an approved EASA Part 147 basic training
course relevant to the Category/Sub-Category applied for.
The recommendation document will need to be completed by a Quality Manager or the immediate senior person within the
Quality Department of your current employer, or the organisation where the experience is gained.
NB: If you are applying for a change of name and or nationality you will be required to supply
evidence in support of your request, e.g. change of name deed poll/marriage certificate/valid passport.
If you are applying for any other additional services the appropriate fee will also apply.
An additional fee will be payable if you wish your documents to be returned by secure courier.
Full details are available in the current Scheme of Charges (Personnel
There have been a number of applications received from AML applicants applying for issue of an AML or for additional
privileges to be added to an existing AML which have been rejected by the CAA due to, for example, lack of experience
criteria. This has resulted in the CAA refunding 100% of the application charge paid even though CAA time has been
incurred to review the application in order to reach the rejection decision.
The CAA is required to recover its costs from those that have caused those costs to be incurred. Therefore, for
applications received from 15 September 2016, the CAA will deduct £173 to recover the average costs of its application
review, in respect of those applications that the CAA has rejected or where the applicant has withdrawn his/her
application before the CAA has completed its review.
This deduction is associated with applications in respect of AML activities under the UK Official Record Series 5
No. 310, Personnel Licensing Scheme of Charges, para. 13.1 table 58 refs. a,
c, i, d and/or e. This action is in line with the CAA Charges Waiver and Refund Policy from 1 September 2016.
Same day, special delivery and other customised services are available at an additional cost. This service is on request, which should be made at the time of initial application. Documents are worked to a same day turnaround from receipt of customer request by 11:00 to completion of the processing of the application by 16:30 on the same working day. The customer will be able to collect the documents by 16:30 on the same day or the documents shall be sent by Royal Mail special delivery, where this is included in the service.
View same day, special and customised delivery charges
Note - The CAA does have the right to request the return of the original Part 66 Aircraft Maintenance Licence at any point of your application.
From 28 September 2012, where practical experience is gained outside of a Part-145 or Part-M approved maintenance organisation, the applicant is required to submit confirmation from the National Authority responsible for the maintenance organisation concerned, that the organisation is approved under the national regulation for the maintenance activities stated and that the signatory in Form 19 section 07 is a member of that maintenance organisation.
Once all of the requirements have been met, please complete:
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