| Airframe History: | ||
| Date: | Tailnumber: | Owner / Operator: |
| xxx 2003 | N528FB | MD Helicopters, Mesa, Arizona |
| JUN 2003 | N528FB | City of Phoenix Police Department, Phoenix, Arizona |
| JAN 2006 | N528FB | for sale by Heli-Mart, Phoenix, Arizona [ttaf:2100] & [POR] |
| APR 2006 | N528FB | Vortex Helicopters LLC, West Glacier, Montana |
| JUN 2006 | N520GK | Vortex Helicopters LLC, West Glacier, Montana |
| APR 2010 | N520GK | for sale by Gary Kauffman, Kalispell, Montana [ttaf:2415] & [POR] |
| APR 2011 | N520GK | for sale by Western Aviation, Houston, Texas [ttaf:2549] & [POR] |
| AUG 2013 | N520GK | for sale by Gary Kauffman, Kalispell, Montana [ttaf:2669] & [$ 1.095.000,==] |
| APR 2016 | N520GK | for sale by Corporate Helicopters, San Diego, California [ttaf:2679] & [$ 849.000,==] |
| APR 2019 | N520GK | Glacier Aviation Services Inc, West Glacier, Montana |