Side-by-side
Component MRO vs Design, Engineering & Innovation (DEI) Services
Spec comparison for two products on Aviation Souk. Both compete in Aircraft MRO / Line Maintenance.

Aircraft MRO / Line Maintenance
Component MRO
by AAR Corp
Global component repair network covering 32,000+ part numbers across avionics, hydraulics, APUs, nacelles, and flight control surfaces.

Aircraft MRO / Line Maintenance
Design, Engineering & Innovation (DEI) Services
by Etihad Engineering
EASA Part 21J- and Part 21G-approved design, certification, and in-house production for major aircraft cabin modifications and additive-manufactured parts.
| Cost of ownership | Component MRO | Design, Engineering & Innovation (DEI) Services |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | Component MRO | Design, Engineering & Innovation (DEI) Services |
|---|---|---|
| Approved part numbers | 32,000+ | — |
| Primary facilities | 6 locations (US, Netherlands, Thailand) | — |
| Component categories | APUs, hydraulics, avionics, nacelles, fuel systems, flight controls, power generation, instruments, interiors | — |
| Nacelle joint venture | xCelle Americas/Asia (with Air France Industries) | — |
| Rotorcraft capability | Helicopter APUs | — |
| Regional reach | Americas, Europe (Amsterdam), Asia-Pacific (Thailand) | — |
| Design authority | — | EASA Part 21J DOA (extended scope) + GCAA Part 21J DOA |
| Production authority | — | EASA Part 21G POA — first in Middle East, first non-European MRO globally |
| Modification scope | — | Minor and Major changes including full STCs |
| Additive manufacturing approval | — | EASA-approved powder-bed fusion (EOS technology) |
| Part types produced | — | Metallic, plastic, composite, soft furnishings, decals, placards |
| Aircraft scope | — | All large commercial and VIP aircraft types |
| Notable first | — | First airline MRO globally to design, certify, and fly 3D-printed cabin parts under EASA |
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