| Registration Letters | OY-ASP |
| Manufacturers's serial number | 25B-171 |
| Year Built | 1974 |
| Registration Date | 1976.10.15 |
| Previous Identities | N1DD I-ELEN |
| Cancelled | 1977.10.31 |
| Fate | N1DD N55MF N55PT N42DG N888LR N401AJ N171WW Instructional airframe |
| Notes | 1978.02: N55MF. 1978.11: N55PT. 1985.01: N42DG. 1987.03: N888LR. 1989.07: N401AJ. 2010.03: N171WW. Canx 2013.03.22. Instructional airframe at Estonian Aviation Academy at Tartu/Ulenurme, Estonia (delivered 2013.03.19). |
| Type Designation | Gates Learjet 25B |
| Manufacturer | Gates Learjet Corporation |
| CoA | 1598 |
| Issued | 1977.01.15 |
| Builder | Gates Learjet Corporation |
| Place | Wichita, KS, USA |
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