| Registration Letters | OY-AIR(2) |
| Manufacturers's serial number | 156 |
| Year Built | 1947 |
| Registration Date | 1955.07.08 |
| Previous Identities | OY-AIR |
| Cancelled | 1976.08.03 |
| Fate | TF-JON |
| Notes | Canx 1984.12.26. Restored 2001.11.26 (as TF-JON). |
| Type Designation | S.A.I. KZ VII U-4 Lærke |
| Manufacturer | Skandinavisk Aero Industri A/S |
| CoA | 367 |
| Issued | 1955.07.08 |
| Builder | Skandinavisk Aero Industri A/S |
| Place | Kastrup, Denmark |
| COR | 02887 |
| Issued | 1972.06.06 |
| Cancelled | 1976.08.03 |
| Owner | K.O.B. Jensen |
| Town | Næstved |
| User |
| COR | 01962 |
| Issued | 1968.08.05 |
| Cancelled | 1972.06.06 |
| Owner | Knud Erik Wexøe |
| Town | Gentofte |
| User |
| COR | 00970 |
| Issued | 1963.05.15 |
| Cancelled | 1968.08.05 |
| Owner | Samsø Flyveklub |
| Town | Tranebjerg |
| User |
| COR | 00501 |
| Issued | 1955.07.08 |
| Cancelled | 1963.05.15 |
| Owner | Zone-Redningskorpset |
| Town | København |
| User |
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