Foundations at Cologne/Bonn
ACC COLUMBIA Jet Service began as TÜV Rheinland Luftfahrttechnik GmbH at Cologne/Bonn Airport, specializing in maintenance of small piston-engine aircraft.

At ACC Columbia Jet Service, we foster a culture of professionalism, respect, and collaboration. Our team is composed of highly trained professionals who bring not only expertise but also a friendly, open-minded approach to every interaction—with colleagues, customers, suppliers, and regulatory partners alike.
We believe in the power of teamwork and transparent communication to drive operational excellence. Knowledge sharing and mutual support are integral to our success, enabling us to consistently deliver precise, reliable, and punctual results.
We are committed to maintaining open, cooperative relationships with all stakeholders—built on trust, accountability, and shared goals. We empower our people to take initiative, lead with integrity, and grow both personally and professionally.
These values define how we work, how we serve, and how we succeed—together.
A concise history of growth, capabilities and innovation across Europe’s trusted maintenance partner.
ACC COLUMBIA Jet Service began as TÜV Rheinland Luftfahrttechnik GmbH at Cologne/Bonn Airport, specializing in maintenance of small piston-engine aircraft.
Renamed AVIATION CENTER COLOGNE Flugzeugwartung GmbH (ACC). We began servicing Bombardier Learjet and Challenger aircraft and obtained EASA Part 21, Part 145, and Part M approvals.
ACC merged with the newly founded COLUMBIA Jet Service GmbH to form ACC COLUMBIA Jet Service GmbH. Opened Hangar 16 at Hannover Airport and expanded approvals.
Acquisition of Flugzeugreparaturen Ralf Kohnen GmbH established ACC COLUMBIA Support with in-house sheet metal shop for structural repairs and modifications.
Launched ACC COLUMBIA Interior in Erfurt to integrate interior refurbishments with scheduled maintenance.
Honored with the “Honeywell EMEAI Channel Partner of the Year” award for avionics service and support.
Expanded ACC COLUMBIA Support with acquisition of Broken Wings in Bavaria, enhancing repair capacity.
Transferred interior services to F/List Germany. GOMOLZIG Aircraft Services merged with ACC COLUMBIA, adding design and component repair in Schwelm.
First in Europe to install both Starlink and Gogo Galileo, providing next-gen in-flight connectivity.
As an EASA Part 145, and Part 21 organization, quality and regulatory compliance are at the core of our operations. Every procedure, inspection, and modification is executed with full transparency, traceability, and adherence to international aviation safety standards. We continuously invest in quality control, training, and certifications to guarantee your aircraft meets all airworthiness and operational requirements.
At ACC Columbia Jet Service, we are fully aware of aviation’s responsibility in addressing global environmental challenges. Our Environmental Policy is built on minimizing our ecological footprint through waste reduction, the responsible use of materials, and energy-efficient maintenance processes. Sustainability is embedded across our operations — always without compromising on safety, quality, or performance.
“Through innovation and responsibility, we strive to help drive the transition toward cleaner, more sustainable air travel.”