French start-up Beyond Aero has "refined" the configuration of its conceptual eight-passenger hydrogen-electric business ...

DeltaHawk is an aircraft engine manufacturer based out of ... with an inverted V4 design that uses a four independent pump ...

for in-flight engine starts, or to correct a fuel imbalance. [Airbus] states this represents less than approximately 1% of the total aircraft flight time, and as such, the fuel boost pump ...

The findings in the report further state that during the investigation, the OEM observed that the inlet valve of the HPP pump ...