Side-by-side
Design, Engineering & Innovation (DEI) Services vs Base 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
Base Maintenance
by HAECO Group
Full-spectrum heavy maintenance from A- to D-checks, with 77 bays across Hong Kong and Mainland China and more than 20,000 checks delivered.
| Cost of ownership | Design, Engineering & Innovation (DEI) Services | Base 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 | Base 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 | — |
| Maintenance bays | — | 77 |
| Checks delivered (cumulative) | — | 20,000+ |
| Employees (base facilities) | — | ~12,000 |
| Check types | — | A-check through D-check, IL, HMV |
| Facilities | — | Hong Kong, Xiamen, Jinan, Chengdu |
| Design approvals | — | CAAC DMDOR + HKCAD DOA (Xiamen) |
| Regulatory approvals | — | CAAC, HKCAD, EASA, FAA + regional authorities |
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