| Registration Letters | T-DOPF |
| Manufacturers's serial number | 12 |
| Year Built | 1927 |
| Registration Date | 1927.11.08 |
| Previous Identities | D-1151 |
| Cancelled | 1929.(?) |
| Fate | OY-DIF |
| Type Designation | Klemm L 20 |
| Manufacturer | Klemm, Leichtflugzeugbau |
| CoA | 31 |
| Issued | 1927.11.08 |
| Builder | Klemm G.m.b.H., Leichtflugzeugbau |
| Place | Sindelfingen, Germany |
| COR | 00039 |
| Issued | 1928.06.04 |
| Cancelled | 1929.? |
| Owner | Viggo Fehr |
| Town | Odense |
| User |
| COR | 00032 |
| Issued | 1927.11.08 |
| Cancelled | 1928.06.04 |
| Owner | Fisker & Nielsen A/S |
| Town | København |
| User |
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