About us

ACC Columbia Jet Service - Your Trusted Partner in Business Aviation

ACC COLUMBIA Jet Service GmbH is a premier aircraft maintenance and repair organization, specializing in small, midsize, and large-cabin business jets as well as transport aircraft. With full-service base maintenance facilities located at Hanover Airport (HAJ) and Cologne/Bonn Airport (CGN) — both operating 24/7 without night flight restrictions — and a strategically positioned line station in Paphos, Cyprus, we deliver fast, flexible, and dependable support wherever your aircraft requires it.

Our additional locations in Wegberg, Mitterskirchen, and Schwelm provide advanced sheet metal work, component repairs, NDT, and structural modifications. From milling and welding to prototyping and production, we handle a broad spectrum of component and airframe solutions with precision and efficiency.

Our Locations & Facilities

  • Hannover, Germany
Base & Line Maintenance Station
With Hangar 3 and Hangar 16, Hannover serves as the corporate headquarters, providing the infrastructure essential for efficient maintenance and precise technical solutions.
  • Cologne, Germany
Base & Line Maintenance Station
As a key operational hub, Cologne provides full Base and Line Maintenance services, with Hangar 7 enabling reliable, efficient, and high-quality aircraft servicing.
  • Schwelm, Germany
Design Organization (Part 21J) and
Sheet Metal & Composite Shop (Part 21G)
Schwelm is the bridge between concept and implementation, ensuring innovative upgrades and precise manufacturing for both fixed-wing and rotary aircraft.
  • Wegberg, Germany
Sheet Metal & Composite Shop
Forming the center of excellence for structural services, Wegberg delivers precision, reliability, and long-term value to our customers.

Our Vision

Driven by decades of experience and a relentless pursuit of excellence, we strive to be recognized among the world’s leading and most trusted providers of maintenance services and modification solutions for business and ambulance aircraft. Through continuous development, uncompromising quality, and the integration of innovative technologies, we aim to set new standards in safety, performance, and customer satisfaction. 

Our Mission

We want to provide exceptional aircraft maintenance and support services that ensure the highest levels of safety, reliability, and operational efficiency. We leverage cutting-edge technology, industry best practices, and rigorous quality management systems to exceed customer expectations and regulatory compliance standards. 

Our Strategy

At ACC Columbia Jet Service, our strategy is rooted in continuous improvement, customer-centric innovation, and long-term sustainability. We invest heavily in the professional development of our team and the advancement of our state-of-the-art facilities to deliver exceptional service quality.

We are dedicated to offering competitive, flexible, and responsive solutions tailored to the evolving needs of our global clientele. By fostering stable, strategic growth, we enhance our profitability and financial resilience—ensuring not only the long-term security of our company but also its continual evolution in a dynamic aviation landscape.

Our Values

  • Safety First: Prioritizing the safety of aircraft, passengers, and crew above all. 
  • Customer Focus: Building long-term partnerships through transparent communication and reliable service. 
  • innovation: Continuously improving through training, technology, and process optimization. 
  • Integrity: Upholding honesty, accountability, and excellence in everything we do. 

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.

ACC COLUMBIA Jet Service – Milestones

A concise history of growth, capabilities and innovation across Europe’s trusted maintenance partner.

1975

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.

1995

Renamed & Expansion

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.

2009

Merger & New Facility

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.

2012

ACC COLUMBIA Support

Acquisition of Flugzeugreparaturen Ralf Kohnen GmbH established ACC COLUMBIA Support with in-house sheet metal shop for structural repairs and modifications.

2016

Interior Capabilities

Launched ACC COLUMBIA Interior in Erfurt to integrate interior refurbishments with scheduled maintenance.

2018

Honeywell Award

Honored with the “Honeywell EMEAI Channel Partner of the Year” award for avionics service and support.

2020

Support Expansion

Expanded ACC COLUMBIA Support with acquisition of Broken Wings in Bavaria, enhancing repair capacity.

2021

Focused Operations

Transferred interior services to F/List Germany. GOMOLZIG Aircraft Services merged with ACC COLUMBIA, adding design and component repair in Schwelm.

2024–2025

Starlink & Gogo Galileo

First in Europe to install both Starlink and Gogo Galileo, providing next-gen in-flight connectivity.

Our Locations & Facilities

Our Quality & Compliance Commitment

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.

Sustainability & Environmental Responsibility

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.”

Leading global Maintenance, Repair and Overhaul provider for business aviation since 1975. German engineering excellence with personalized aviation care.
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