EnglishFrenchSpanishGermanChinese (Simplified)

STS Engineering Solutions

Global Engineering Solutions That Keep You Flying

From rapid repair approvals to full program support, STS Engineering delivers tailored aircraft engineering solutions faster, better and for less. We support every step of your operation with the certifications and expertise required to keep your fleet in the air.

24/7 Service & Repair Engineering

Modification & Certification Engineering

Part 21-J Design Organization Approval

Aircraft Programs & Technical Operations

24/7 Service & Repair Engineering

Delivering minor repairs and modifications to airframe structures, cabin, flight controls and nacelles through our CAA Part 21 Subpart J DOA (Approval No. UK.21J.1005). All repairs and mods under this DOA are accepted on all EASA-registered aircraft without further validation.

Modification & Certification Engineering

From design to integration and certification, STS Engineering handles nearly any airframe or component modification with precision and speed. Our turnkey approach leverages STS Aviation Group’s full capabilities to simplify your upgrade path, reduce downtime, and deliver results that last.

Part 21-J Design Organization Approval

STS Engineering is fully approved by the UK CAA for minor structural and cabin repairs on CS-25 aircraft. We are operational 24/7 to support your maintenance needs when and where you need us.

  • Minor Aircraft Structural Repairs and Changes
  • Minor Aircraft Cabin Repairs and Changes
  • Operational 24 Hours a Day / 7 Days a Week

Aircraft Programs & Technical Operations

Our Aircraft Programs & Technical Ops team brings airline-grade support to your operation. We fill in where your in-house resources leave off, offering full-service assistance across maintenance, engineering, tech ops and CAMO functions.

Aircraft Engineering Services Delivered Globally

STS Engineering Solutions is trusted by operators worldwide to deliver efficient, expert engineering support. Whether you’re planning a major modification or need fast certification help, we bring world-class knowledge and responsive action to your hangar, anywhere in the world.


Click the button below now to contact our Aircraft Engineering team.