| Type Designation | Piper PA-31-350 Navajo Chieftain |
| Manufacturer | Piper Aircraft Corporation |
| CoA | 1211 |
| Issued | 1973.04.25 |
| Builder | Piper Aircraft Corporation |
| Place | Lock Haven, PA, USA |
| COR | 05207 |
| Issued | 1979.08.30 |
| Cancelled | 1988.01.04 |
| Owner | Muk Air Taxi v/Knut Lindau |
| Town | Farum |
| User |
| COR | 04677 |
| Issued | 1978.02.03 |
| Cancelled | 1979.08.30 |
| Owner | City Taxi Aviation |
| Town | Odense |
| User |
| COR | 03103 |
| Issued | 1973.03.22 |
| Cancelled | 1978.02.03 |
| Owner | Brüel & Kjær Export A/S |
| Town | Nærum |
| User |
| COR | 03072M |
| Issued | 1973.02.22 |
| Cancelled | 1973.03.22 |
| Owner | Brüel & Kjær Export A/S |
| Town | Nærum |
| User |
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