In 2012 Northland Emergency Services Trust refitted ZK-IKM, one of their three Sikorsky helicopters. The fitout involved installation of two aft facing crew seats designed and manufactured by Flight Structures. The seats have a four point harness.
The new seats allow the crew to rest as much as possible during long night flights, reducing fatigue.
Northland Emergency Services Trust are based in Whangarei, and provide a rescue service to Northland and beyond.
Here is a link to their website.
Here is the link with more details about the Crew Seat.