You must hold an existing Part 66 aircraft maintenance Licence and have met the full requirements of the UK conversion basic examination standards, and the appropriate experience requirement.
You must have met the requirements in accordance with 66.A.45 (g) 2.
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
The Part 66 Licence is not a progressive Licence and therefore applications received for the removal of limitations from a Category/Sub- Category must have met the requirements to remove all the limitations endorsed on their Licence as you are unable to lift limitations singularly.
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 also applying at the same time to lift any limitations from type ratings there is no further fee required.
The above service will also incur a Rolling Renewal fee. To calculate this fee you will need to have the expiry date of your current Licence to hand when completing the online application form. The expiry date is normally found on page 6 of 8 of your current Part 66 Aircraft Maintenance Licence, depending on the size of your Licence.
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
Please see the
Scheme of Charges (Personnel Licensing) for full details.
When submitting applications or documentation via post/courier to the UK please ensure that you complete the import declaration on any package in the correct manner.
Please ensure that you enter the “Value” of the package content as zero/nil. Otherwise this will generate import duties in the UK which will be re-charged to you.”
While there is a fee for the CAA application process, this does not represent an importation value of the package content. Therefore the application fee should not be stated on the import declaration form that a candidate completes when posting supporting documents to CAA UK.
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.
Once all of the requirements have been met, please complete:
Read all @UK_CAA
Only use approved commercial drone users or you could be out of pocket – warns CAA
24 May, 2018
Airspace change process for Glasgow Airport
4 April, 2018
Thousands more airline passengers are now receiving compensation thanks to Alternative Dispute Resolution
27 December, 2017
Read all News
International women in engineering day
22 June, 2017
Mandatory occurrence reporting
7 December, 2016
Guidance for flying drones
17 May, 2016
Read All Blogs