| Airframe History: | ||
| Date: | Tailnumber: | Owner / Operator: |
| 28 FEB 2011 | N155N | Sikorsky Aircraft Corporation, Stratford, Connecticut |
| 31 AUG 2011 | N155N | Bristow US LLC, New Iberia, Louisiana |
| 29 DEC 2011 | N933BG | Bristow US LLC, New Iberia, Louisiana |
| xx MAY 2017 | N933BG | for sale by AVPRO Inc, Annapolis, Maryland. [ttaf:4127] |
| xx MAY 2019 | N933BG | for sale by QS Partners LLC, Boulder, Colorado. [ttaf:4127] |
| xx JUN 2019 | N933BG | Milestone Aviation Group Ltd, Dublin, Ireland |
| 29 NOV 2019 | C-FKNF | Cougar Helicopters Inc, Saint John's, NFL, Canada |
| 15 NOV 2021 | C-FKNF | regi canx, exported to USA |
| 04 DEC 2021 | N933BG | Bank of Utah Trustee, Salt Lake City, Utah |
| 02 JUN 2023 | N933BG | regi canx, exported to Brunei |
| xx JUN 2023 | V8-BSP | Brunei Shell Petroleum Company, Anduki, Brunei |