About us

It all began with the foundation of "TÜV Rheinland Luftfahrttechnik GmbH" at Cologne/Bonn airport in 1975. Back then the team was mainly focused on small piston engine powered aircraft.


In 1995 the company was taken over by a handful of employees and thereafter renamed as "AVIATION CENTER COLOGNE Flugzeugwartung GmbH" (ACC). This was also the beginning of the company's expansion to what it is today. 


The first maintenance services were offered to Bombardier Lear Jet and Challenger Series and in the following years we managed to receive EASA Part 21 Design Organisation, Part 145 Maintenance Organisation and finally Part M Continuing Airworthiness Management Organisation approvals.

Furthermore ACC was awarded as "Honeywell Engine and Avionics Service Center" in 2008.


In 2009 „AVIATION CENTER COLOGNE Flugzeugwartung GmbH“ merged with „COLUMBIA  Jet Service GmbH“, which had been founded just the same year to become „ACC COLUMBIA  Jet Service GmbH. As a result the maintenance services could be further extended to IAI Astra/ G 100, Gulfstream G 150 and G 200. The newly built Hangar 16 at Hannover Langenhagen Airport went into operation and became ACC COLUMBIA Jet Service GmbH's second base maintenance facility.


In order to cover permanently changing customer needs we succeeded in extending our maintenance approval to Bombardier Global Series. 

After the acquisition of the former "Flugzeugreparaturen Ralf Kohnen GmbH" in 2012 we are able to offer sheet metal modifications and structural repairs as well as labor assistance for major projects. 


Since 2013 our maintenance approval also covers Embraer Legacy 600/650 and beyond that we were awarded as JSSI recognized maintenance facility. 


Today we can count on a very broad and loyal customer base, ranging from the Cessna 150 operator who needs his ailerons reskined, over a large number of Business Jet operators up to major air carriers, whom we assist with skilled manpower during C and D-Checks and major structural repairs.

24/7 AOG Hotline

email: aog@acc-columbiajet.com

phone: +49 151 - 14 00 25 11

HANOVER Operations via


or +49 511 - 300 349 0

COLOGNE Operations via


or +49 2203 - 966 56 0

ERFURT Operations via


or +49 2434 - 80 973 42

Official Contact

email: info@acc-columbiajet.com

phone: +49 511 - 300 349 0

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