The Airbus A350-941 is the baseline variant of Airbus's wide-body A350 family, powered exclusively by two Rolls-Royce Trent XWB turbofans and in service since 2015. Spool-up recordings like this one are staples of plane spotting culture, where enthusiasts capture takeoffs at major airports and share them on YouTube and aviation forums. Flight simulator creators also prize clean engine audio for realistic sound packs. The A350's famously quiet yet powerful whine keeps this spool-up popular as both a reference sound and an atmospheric bed for travel content.