Side-by-side
Airframe 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
Airframe MRO
by AAR Corp
North America's largest independent airframe MRO network, covering narrow- and wide-body heavy maintenance from eight certified hangars.

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 | Airframe 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 | Airframe MRO | Design, Engineering & Innovation (DEI) Services |
|---|---|---|
| Facilities | 8 hangars (US + Canada) | — |
| Certifications | FAA Repair Station, EASA Part-145 | — |
| Aircraft families | Boeing 737 variants, Airbus A320 family (incl. A321neo), Airbus A330 | — |
| Engineering offices | Indianapolis IN, Greensboro NC, Singapore | — |
| Services | C/D-checks, structural & composite repair, modifications, aging aircraft, CPCP | — |
| Backlog status | Multi-year (active expansions at MIA + OKC) | — |
| 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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