Side-by-side
Design, Engineering & Innovation (DEI) Services vs Line Maintenance
Spec comparison for two products on Aviation Souk. Both compete in Aircraft MRO / Line Maintenance.
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.
Aircraft MRO / Line Maintenance
Line Maintenance
by HAECO Group
Round-the-clock line maintenance across 18 airports in Hong Kong and Mainland China, serving more than 140 airlines and 200,000 flight movements annually.
| Cost of ownership | Design, Engineering & Innovation (DEI) Services | Line Maintenance |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | Design, Engineering & Innovation (DEI) Services | Line Maintenance |
|---|---|---|
| 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 | — |
| Flight movements per year | — | ~200,000 |
| Airline customers | — | 140+ |
| Station count | — | 18 stations (HK + 17 Mainland China) |
| Regulatory approvals | — | 16 civil aviation authorities |
| Check capability | — | Transit through full A-check |
| AOG support | — | 24/7 |
| Jurisdictions | — | Asia-Pacific, Africa, USA, EU, Middle East |
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