Hughes: HS-381
Syncom-4 (Leasat)
| Satellite | Ordered | Date | Launcher | Weight (kg) | Remarks | ||
|---|---|---|---|---|---|---|---|
| Launch | BOL | ||||||
| Leasat 1 (Syncom-4 1) | 1978 | 08.11.1984 | Shuttle TU-882 | 3400 | 1388 | ||
| Leasat 2 (Syncom-4 2) | 1978 | 30.08.1984 | Shuttle TU-882 | 3400 | 1388 | ||
| Leasat 3 (Syncom-4 3) | 1978 | 12.04.1985 | r | Shuttle TU-882 | 3400 | 1388 | PKM failed, repaired later on orbit |
| Leasat 4 (Syncom-4 4) | 1978 | 27.08.1985 | Shuttle TU-882 | 3400 | 1388 | ||
| Leasat 5 (Syncom-4 5) | 1978 | 09.01.1990 | Shuttle TU-882 | 3400 | 1388 | ||
Further Hughes / Boeing satellite busses:
