Boeing partners with Lufthansa and Rolls-Royce for 787 fuel tests
Boeing is collaborating with Lufthansa and Rolls-Royce to test fuel-efficiency and noise-reduction technologies on a 787-9 Dreamliner in Montana. The company recently reported 171 commercial deliveries in Q2, totaling 314 for the year.
*this image is generated using AI for illustrative purposes only.
Boeing Co has partnered with Deutsche Lufthansa AG and Rolls-Royce Holdings PLC ADR to conduct flight tests aimed at improving aircraft fuel efficiency and reducing noise. The collaboration will evaluate technologies on a Boeing 787-9 Dreamliner powered by Rolls-Royce Trent 1000 engines, serving as Boeing’s 2026 ecoDemonstrator Explorer. The aircraft is scheduled for delivery to Lufthansa after testing concludes. Boeing shares traded about 1% lower on Thursday following the announcement.
Flight Tests Begin Soon
Testing is scheduled to begin later in July at Boeing’s Glasgow, Montana, site and continue through mid-August. The program will assess Boeing’s Next Generation Inlet, a shorter engine inlet featuring advanced acoustic treatments. Boeing stated the design could reduce aircraft weight and drag while supporting the integration of more fuel-efficient engines on future platforms without compromising acoustic performance.
Operational Enhancements
The companies will also test modified departure and arrival procedures using Intelligent Operations flight paths. Algorithms generate these routes using multiple data sources to identify opportunities to reduce fuel consumption and community noise around airports. Boeing Chief Technology Officer Lane Ballard noted that these enhancements have the potential to make airplanes more valuable to partners and customers.
Recent Delivery Performance
Separately, Boeing reported 171 commercial aircraft deliveries in the second quarter, bringing 2026 deliveries to 314 units. The 737 program accounted for 129 deliveries in the quarter and 243 year-to-date. The company also delivered 35 defense aircraft and systems during the quarter, raising year-to-date defense deliveries to 65 units. The AH-64 Apache program recorded the highest defense volume with 15 deliveries in Q2.
| Commercial Program | 2nd Quarter 2026 | Year-to-Date 2026 |
|---|---|---|
| 737 | 129 | 243 |
| 767 | 10 | 16 |
| 777 | 7 | 15 |
| 787 | 25 | 40 |
| Total | 171 | 314 |
| Defense Program | 2nd Quarter 2026 | Year-to-Date 2026 |
|---|---|---|
| AH-64 Apache (New) | 6 | 8 |
| AH-64 Apache (Remanufactured) | 9 | 24 |
| CH-47 Chinook (New) | 4 | 5 |
| CH-47 Chinook (Renewed) | 2 | 3 |
| F-15 Models | 3 | 4 |
| F/A-18 Models | 3 | 5 |
| KC-46 Tanker | 4 | 8 |
| MH-139 | 3 | 5 |
| P-8 Models | 1 | 2 |
| Total | 35 | 65 |
How might the results from the 787-9 ecoDemonstrator tests influence Boeing's future engine integration strategies for next-generation aircraft?
What are the potential cost and timeline implications for airlines adopting the Intelligent Operations flight path algorithms?
Could the successful implementation of the Next Generation Inlet design lead to retrofits for existing aircraft fleets?
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