Engineering Services

Innovative Aircraft Solutions & Certification

At ACC Columbia Jet Service, engineering is more than solving problems — it’s about creating value, ensuring compliance, and driving innovation in business aviation.
Every aircraft and every mission is unique, guided by the evolving demands of modern aviation, our engineering teams develop advanced solutions using the latest materials, manufacturing techniques, and digital tools for both Commercial and General Aviation.

Pioneering Aircraft Solutions

We ensure continued maintenance and airworthiness for every aircraft we support. Our Part 21J, EASA and LBA approved Design Organization provides a comprehensive range of engineering and certification services, from concept and design to certification and implementation. We deliver innovative, practical, and fully certified solutions, whether for minor cabin layout changes, avionics upgrades, or complex Supplemental Type Certificate (STC) projects. Our combination of technical expertise and regulatory insight ensures smooth, efficient, and compliant execution.

Innovation. Engineering. Excellence.

With more than 1000 successfully developed and approved engineering projects, our Design Organization demonstrates deep expertise across all areas of aircraft modification and innovation. We deliver custom-engineered solutions tailored precisely to our clients’ requirements, transforming complex ideas into certified results.

Our engineers create detailed CAD designs and conduct thorough numerical analyses,including static, dynamic, and fluid-dynamic simulations, using high-performance hardware and software systems. From concept to completion, we collaborate closely with production and maintenance teams to ensure that each project meets the highest standards of performance, safety, and efficiency.

Our Capabilities

  • Advanced structural developments

  • After-market repair solutions extending aircraft lifecycle
  • Certification of new parts to address obsolescence
  • Special Mission Equipment installations for aerial survey and scientific operations
  • Camera hatch solutions for airborne missions
  • Comprehensive avionics retrofits
  • Cabin interior refurbishments of varying complexity

Our EASA-approved design capabilities enable us to execute complex engineering projects with full compliance, certified airworthiness, and legal assurance.

Our engineering department performs all required activities to demonstrate compliance with aviation standards, obtaining certification for design changes and repairs to type-certified aircraft. With our extensive approval scope, almost no customer requirement remains unfulfilled.

We manage the entire certification process — from technical documentation and testing programs to coordination with authorities — ensuring reliable approval of modifications and upgrades without compromising safety.

If your aircraft is perfectly suited to your operations but affected by aging or obsolete components, we provide tailored engineering solutions to extend its operational life.
With both Part 21J Design and Part 21G Production approvals, we offer complete, integrated support — all from one source.

From cabin reconfigurations and connectivity enhancements to modern inflight entertainment (IFE) systems, our engineers develop and certify solutions, that enhance comfort, functionality, and passenger experience.

Ready for Your Engineering Challenge?

Whether it's a component overhaul, structural repair, or custom modification – our certified engineering team delivers solutions that keep you flying.
Leading global Maintenance, Repair and Overhaul provider for business aviation since 1975. German engineering excellence with personalized aviation care.
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