The helicopter was unveiled at the
2013 Paris Airshow on June 17, 2013, as the Bell SLS (Short Light Single). The model designation was later announced at HAI Heli-Expo 2014 in Anaheim, California on February 25, 2014. The Bell 505 is a "clean sheet" design, but uses some dynamic components, such as the rotor system, of the
Bell 206L-4. The airframe is constructed of metal and composites, and has a 22-square-foot (2.04 m2) flat floor and an 18-cubic-foot (0.51 m3) luggage bay. The
Safran Arrius 2R is used with a
dual-channel FADEC and a 3,000-hour
Time-between-overhaul. The 505 cockpit is equipped with the
Garmin G1000H glass avionics suite. Various options such as a
cargo hook are available. but the tooling was created for assembly in different places in the world. The factory opened in August 2015. On May 19, 2016, Bell Helicopter CEO Mitch Snyder announced changes to the production supply chain that included relocating the Bell 505 production to Bell Helicopter's assembly and distribution center in Mirabel, Quebec, Canada. The Lafayette Assembly Center, which was specifically designed to manufacture and deliver the 505, will instead complete
Bell 525 sub-assemblies and perform work on
Northrop Grumman MQ-8C Fire Scout UAVs. Initial assembly, flight testing and certification started in Canada while the factory was being built in the US. Bell said they had 240
letters of intent (LOI) (50 from Europe) for the 505 in October 2014, and in November Chinese tourism operator
Reignwood increased their LOI from 10 to 60 of the type. In August 2015, Bell had 350 letters of intent. was awarded on December 21, 2016. In the US, it was certified in June 2017. In 2023, The Bell 505 was the first single-engine helicopter to fly using
SAF fuel. == Sales, production and operations ==