Bell 525 Relentless vs Daher Tbm 960 vs Piper M600 Sls

The Bell 525 Relentless is a twin‑engine, fly‑by‑wire helicopter aimed at offshore, corporate, and mission roles where point‑to‑point vertical access matters more than runway performance. It offers a practical range on the order of a few hundred nautical miles (roughly 500–600 nm depending on configuration and reserves) and typically carries about 10–16 occupants depending on interior and mission fit. The Daher TBM 960 is a high‑performance single‑engine turboprop airplane optimized for fast, efficient cross‑country travel between airports. It is a long‑range aircraft for its class, commonly around 1,000+ nautical miles with NBAA‑type reserves, and it generally seats up to 6–7 occupants (often flown with 1–2 pilots plus 4–6 passengers depending on loading). The Piper M600 SLS is also a single‑engine turboprop airplane, positioned as a slightly lower‑speed, lower‑cost personal and business traveler versus the TBM. Its typical range is shorter than the TBM, roughly in the high‑hundreds of nautical miles, and it usually accommodates about 5–6 occupants.