| Satellite Name | Inmarsat 3 F5 |
| Status | Retired |
| Mission Type | Communication |
| Orbit | Geostationary |
| Position | 54.0 ° West |
| Country | International |
| Operator | Inmarsat Plc |
| Satellite Manufacturer | Lockheed Martin |
| Model (BUS) | AS 4000 |
| Launch Vehicle | Ariane 44LP |
| Launch Site | Guiana Space Centre |
| Launch Date | 04.02.1998 |
| Satellite Lifetime | 13 Year (Planned lifetime has expired.) |
| Mass | 2068 Kg |
| Transponders | C Band Transponders : 1 L Band Transponders : 22 |
| Downlink Frequency | Unknown |
| Uplink Frequency | Unknown |
| Beacon Frequency | Unknown |
| Norad Number | Unknown |
| Cospar Number | 1998-006B |
| Toplam TV | 0 |
| SD TV | 0 |
| HD TV | 0 |
| Ultra HD (4K) TV | 0 |
| 3D TV | 0 |
| Radio | 0 |
| Data | 0 |
| Feed | 0 |
