| Type Designation | S.A.I. KZ VII U-4 Lærke |
| Manufacturer | Skandinavisk Aero Industri A/S |
| CoA | 273 |
| Issued | 1947.12.02 |
| Builder | Skandinavisk Aero Industri A/S |
| Place | Kastrup, Denmark |
| COR | 00617 |
| Issued | 1959.06.03 |
| Cancelled | 1960.07.03 |
| Owner | Peer Perch |
| Town | Esbjerg |
| User |
| COR | 00314 |
| Issued | 1948.01.13 |
| Cancelled | 1959.06.03 |
| Owner | Falcks Redningskorps |
| Town | København |
| User |
| COR | 00309 |
| Issued | 1947.12.01 |
| Cancelled | 1948.01.13 |
| Owner | Erik Malmmose |
| Town | Odense |
| User |
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