Beechcraft King Air 360 Er vs Bell 525 Relentless vs Piper M600 Sls vs Sikorsky S 92

The Beechcraft King Air 360ER is a twin‑turboprop fixed‑wing aircraft optimized for efficient regional travel and special missions; it offers long endurance for its class with roughly 1,500 nautical miles of range and typically carries about 6 to 9 passengers depending on interior and fuel configuration. The Piper M600 SLS is a single‑engine turboprop fixed‑wing aircraft aimed at owner‑operators; it generally trades absolute payload and redundancy for simplicity and cost, with about 1,400 nautical miles of range and seating commonly around 5 to 6 passengers. The Bell 525 Relentless is a super‑medium class helicopter focused on offshore and executive transport; it provides vertical access with a range around 560 nautical miles and usually seats about 12 to 16. The Sikorsky S‑92 is a larger heavy/medium‑lift helicopter widely used offshore and for SAR; it emphasizes cabin volume and payload over speed and range, offering roughly 540 nautical miles and typically accommodating about 18 to 19 passengers in transport layouts.