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Part 145

​Part 145 Maintenance Organisation Approval holders provide maintenance services in accordance with Regulation (EU)1321/2014 as retained (and amended in UK domestic law) under the European Union (Withdrawal) Act 2018

This page includes details and links to regulation, policy and guidance. It will provide approval holders resources to ensure they remain compliant with not only the regulations but also UK policy.

Guidance material provides interpretation or amplify in greater detail certain areas or aspects of regulation and/or policy to allow an approval holder to fully implement quality systems which remain compliant and perform well.

​Derby (About this soundlisten) DAR-bee) is a city and unitary authority area in Derbyshire, England. It lies on the banks of the River Derwent in the south of Derbyshire, of which it was traditionally the county town. Derby gained city status in 1977, and by the 2011 census its population was 248,700.

Derby was settled by Romans – who established the town of Derventio – Saxons and Vikings, who made Derby one of the Five Boroughs of the Danelaw. Initially a market town, Derby grew rapidly in the industrial era. Home to Lombe's Mill, an early British factory, Derby has a claim to be one of the birthplaces of the Industrial Revolution. It contains the southern part of the Derwent Valley Mills World Heritage Site. With the arrival of the railways in the 19th century, Derby became a centre of the British rail industry.

Derby is a centre for advanced transport manufacturing, being home to the world's second largest aero-engine manufacturer: Rolls-Royce. Bombardier Transportation are based at the Derby Litchurch Lane Works and were for many years the UK's only train manufacturers. Toyota Manufacturing UK's automobile headquarters is southwest of the city at Burnaston. To the east lies Nottingham, separated by the M1 motorway.