Side-by-side
Line Maintenance vs Engine MRO and Overhaul
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
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 | Line Maintenance | Engine MRO and Overhaul |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | Line Maintenance | Engine MRO and Overhaul |
|---|---|---|
| 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 | — |
| 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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