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| Airframe History: | ||
| Date: | Tailnumber: | Owner / Operator: |
| SEP 1995 | N9021T | MD Helicopters, Mesa, Arizona |
| JUL 1996 | N811CM | Georgetown Interstate Aviation Inc, Kirkland, Washington |
| SEP 1996 | N811CM | National Park Service, Arizona |
| FEB 1997 | N811CM | for sale by Flight Center Seattle, Seattle, Washington [ttaf:130] |
| JAN 1998 | N811CM | National Park Service / Papillon Helicopters [quiet technology dedication ceremony] |
| MAY 1998 | N179PA | National Park Service / Papillon Helicopters Gulf Inc, Kirkland, Washington |
| OCT 2003 | N179PA | landing incident, Fredonia, Arizona [download ntsb report] |
| MAR 2007 | N179PA | regi canx, airframe W/O. |