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Rolls-Royce Completes Testing of Pearl 10X Engine for Business Jet Featuring Largest Windows

Rolls-Royce Completes Certification Testing of Pearl 10X Engine for Dassault Falcon 10X
LONDON — Rolls-Royce has successfully completed all certification testing for its latest business jet engine, the Pearl 10X, marking a pivotal step toward regulatory approval by the European Union Aviation Safety Agency (EASA). Developed exclusively for Dassault Aviation’s forthcoming Falcon 10X, the Pearl 10X represents the most powerful engine in the Pearl family and is integral to Rolls-Royce’s strategy in the ultra-long-range, large-cabin business jet market.
Extensive Testing and Certification Process
The Pearl 10X underwent a rigorous test campaign encompassing both ground and airborne trials, including flights aboard Rolls-Royce’s retired Boeing 747-200 testbed. These evaluations assessed endurance, performance, and environmental resilience, confirming the engine’s maturity and reliability. Rolls-Royce has reported that the Pearl 10X meets all technical and safety standards, and the company is preparing to submit the final performance data to EASA for comprehensive regulatory review.
Certification remains a critical forthcoming milestone, with EASA set to conduct a thorough assessment of the engine’s compliance with airworthiness, emissions, and safety requirements. Although Rolls-Royce has not provided a specific timeline for approval, the certification process is closely aligned with Dassault’s development schedule for the Falcon 10X, whose first prototype is currently in final assembly. Dassault aims to position the Falcon 10X as a formidable competitor to Gulfstream’s G700 and Bombardier’s Global 8000 in the large-cabin, ultra-long-range segment, leveraging the Pearl 10X’s enhanced power and efficiency.
Market Position and Future Prospects
While Rolls-Royce has not disclosed the exact thrust rating of the Pearl 10X, it is anticipated to surpass the 18,250 pounds of thrust generated by the Pearl 700, which powers the Gulfstream G700 and G800. To support the new engine, Rolls-Royce has established a customer service center in Mérignac, near Dassault’s final assembly facility in Bordeaux, ensuring dedicated maintenance and technical support as the Falcon 10X prepares to enter service.
The Pearl engine family has become a cornerstone of Rolls-Royce’s business aviation portfolio. The Pearl 15, which powers Bombardier’s Global 5500 and 6500, has accumulated over 280,000 flight hours with an impressive 99.95% reliability rate. Meanwhile, the Pearl 700 is already operational, with more than 70 engines delivered for Gulfstream aircraft. Rolls-Royce anticipates increased production volumes for the Pearl series, reflecting strong market demand and ongoing deliveries.
Despite these advances, Rolls-Royce faces challenges in securing certification and achieving broader market acceptance for the Pearl 10X. The competitive landscape is intensifying, with emerging players such as Boom and Spike accelerating efforts to capture market share, particularly amid renewed interest in supersonic business jets. Nonetheless, Rolls-Royce’s extensive service network and recent robust financial performance—including a rally in stock prices and solid operating profits—have reinforced its strong position in the very-long- and ultra-long-range business jet segment.
The completion of certification testing for the Pearl 10X brings Rolls-Royce and Dassault Aviation closer to the Falcon 10X’s inaugural flight. Once certified, the Pearl 10X will stand as the most advanced and powerful engine in the Pearl series, further consolidating Rolls-Royce’s leadership in the competitive business jet engine market.

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