Training and licensingLicencesPart 66 licences

Instructions for converting maintenance mechanic licences into Part 66 licences


Finland will begin converting maintenance mechanic licences into Part 66 aircraft
maintenance licences in accordance with the European Aviation Safety Agency, EASA,
requirements on 28 September 2005. The aircraft maintenance licences are governed
by Annex III to EU Commission Regulation (EC) No 2042/2003, also known as Part 66.

These pages contain information and advice for the conversion of a national maintenance mechanic licence into a corresponding Part 66 licence. Applications for converting national or JAR-66 licences into Part 66 licences must be submitted to the Finnish Civil Aviation Authority, using EASA Form 19 (pdf). Before filling the form, please, read the instructions.

The Finnish Civil Aviation Authority has an e-mail address for questions on Part 66 licences and the conversion process. The address is


Application form for the conversion of an aircraft maintenance licence

EASA Form 19 (pdf)
Instructions for filling in EASA Form 19

European Commission Regulation (EC) No 2042/2003 in English (pdf, on EUR-Lex website)

Regulations concerning the conversion of aircraft maintenance licences in Finnish

Cover letter (pdf) for Advisory Circulars PEL T3-1 and PEL T3-2

PEL T3-1, Implementing instructions for EU Regulation (EC) No 2042/2003 on aircraft maintenance licences, part 1 (pdf)

PEL T3-2, Implementing instructions for EU Regulation (EC) No 2042/2003 on aircraft maintenance licences, part 2 (pdf)

PEL T3-3, Implementing instructions for EU Regulation (EC) No 2042/2003 on aircraft maintenance licences, part 3 (pdf)

More information


JAR-licences of maintenance