The fourth and final trade show day saw a handful of additional Airbus narrowbody orders or conversions, closing a show that was relatively light on new airliner order numbers—as anticipated—but which still delivered some surprises.

Airbus has not yet given up on securing a major narrowbody order from International Airlines Group (IAG) flipping a commitment announced by the company for the Boeing 737 MAX earlier this week.

As aerospace accelerates toward a more electric future, Rolls-Royce has secured a jumpstart on its strategic goals in the sector with the surprise acquisition of Siemens’ electric and hybrid-electric aerospace propulsion unit.

Airbus has partnered with the operators of Paris’ airports and public transport system to demonstrate the feasibility of operating a system of vertical-takeoff-and-landing (VTOL) vehicles when the city hosts the Olympic Games in 2024.

Indian LCC IndiGo flipped its preferred engine supplier, ordering CFM LEAP-1A engines to power 280 Airbus A320neo-family aircraft it has on order—aircraft that will fly alongside Pratt & Whitney PW1000G geared turbofan (GTF) Airbus narrowbodies.