| Airframe History: | ||
| Date: | Tailnumber: | Owner / Operator: |
| FEB 2014 | N257Z | Sikorsky Aircraft Corporation, Stratford, Connecticut |
| OCT 2014 | N257Z | Bristow US LLC, New Iberia, Louisiana |
| SEP 2015 | N257Z | regi canx, exported to United Kingdom |
| SEP 2015 | G-MCGY | Maritime and Coast Guard Agency, Bristow Helicopters Ltd, Aberdeen-Dyce, Scotland |