Bell 525 Relentless vs Leonardo Aw189 vs Piper M600 Sls vs Sikorsky S 92

The Bell 525 Relentless and Leonardo AW189 are modern super‑medium helicopters aimed at offshore, corporate, and public‑service missions. Both typically seat around 16–19 passengers in high‑density layouts (fewer in VIP), with practical mission ranges commonly in the roughly 450–550 nautical mile class depending on payload and reserves. The Sikorsky S‑92 is a larger heavy helicopter optimized for offshore transport and SAR, usually configured for about 19 passengers (and can be arranged for more seats in some layouts), with broadly similar or slightly longer practical ranges than the super‑mediums when mission‑equipped, and generally greater cabin volume and payload capability. The Piper M600 SLS is in a different category entirely: a single‑engine turboprop airplane for owner‑pilot and business travel. It carries up to six seats (typically one pilot plus five), and its range is substantially longer than the helicopters—around the 1,000+ nautical mile class—making it better suited to point‑to‑point regional trips, while the helicopters trade speed and range for vertical‑lift access and specialized mission flexibility.