Side-by-side
Line Maintenance 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
Line Maintenance
by Emirates Engineering
24/7 line maintenance and AOG recovery for widebody fleets at Dubai International and a global network of 22 outstations.

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 | Line Maintenance | Design, Engineering & Innovation (DEI) Services |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | Line Maintenance | Design, Engineering & Innovation (DEI) Services |
|---|---|---|
| Operating hours | 24/7, 365 days | — |
| Primary base | Dubai International Airport (DXB) + Dubai World Central (DWC) | — |
| Outstation network | 22 locations across 6 regions (AKL, CMB, CPT, DUR, DXB, DWC, ISB, JFK, JNB, KHI, LCA, LHE, LHR, MEL, MNL, MRU, PER, PEW, SKT and others) | — |
| Aircraft types (Airbus) | A319/320/321, A330-200, A340-300/500/600, A380-800 | — |
| Aircraft types (Boeing) | B737-400/500/700/800/MAX, B747-400, B777 all series, B787-800/900 | — |
| Engine coverage | CFM56, V2500, CF6-80, PW4000, Trent 700/500/900/1000, RB211, GE90, GEnx, LEAP | — |
| Third-party airlines supported | 30+ | — |
| Cabin maintenance staff | 180+ cleaners, 100 engineers | — |
| Regulatory approvals | GCAA CAR-145, EASA Part-145, UK-CAA Part-145, CAA Singapore Part-145, CAA Thailand Part-145, Kuwait CASR Part-145, Korea MOLIT Part-145, IOSA | — |
| 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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