[1] The KC 518 is a composite fuselage helicopter kit for amateur construction.

The airframe uses a carbon fiber and kevlar composite fuselage with a shrouded tail rotor.

[2] Other versions with the same fuselage are KC630 with Rolls-Royce RR300 engine in 2017 (priced at US$970,000), KC640 with the RR250 in 2018, and KC650 with the Honeywell LTS101, expected to be certified by 2019.

[4] Data from ManufacturerGeneral characteristics Performance At about 11:15am on 7 May 2013, while on a test flight Pilot Peter Maloney and his female passenger were rescued uninjured after ditching in the Hauraki Gulf, New Zealand.

[5] At about 9:30am on 8 November 2014, while on a test flight Pilot Peter Maloney and his co-pilot, Norbert Idelon were uninjured after a heavy landing near Silverdale, Auckland due to suspected mechanical problems.