Side-by-side
Design, Engineering & Innovation (DEI) Services vs Engine MRO and Overhaul
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
Engine MRO and Overhaul
by Pratt & Whitney Aftermarket
OEM-performed or OEM-network shop-visit overhaul for Pratt & Whitney commercial turbofans, from induction to test-cell release.
| Cost of ownership | Design, Engineering & Innovation (DEI) Services | Engine MRO and Overhaul |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | Design, Engineering & Innovation (DEI) Services | Engine MRO and Overhaul |
|---|---|---|
| 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 | — |
| Engine families | — | GTF (PW1100G-JM, PW1500G, PW1900G, PW1200G), V2500, PW4000 |
| GTF MRO network size | — | 21 authorised shops, 4 continents |
| MTU network capacity | — | Up to 600 GTF shop visits per year across all GTF variants |
| Delta TechOps capacity | — | Up to 450 GTF overhauls per year |
| Field support | — | 100+ field representatives, 60 offices, 6 continents |
| U.S. MRO investment (2026) | — | $100M+ USD |
| GTF MRO output increase | — | 30% year-on-year growth targeted (2025) |
| PW1100G-JM MRO output increase | — | 21% year-to-date (as of Nov 2025) |
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