The Zeppelin LZ 3 was an experimental airship constructed in Friedrichshafen, Germany, under the direction of Ferdinand von Zeppelin. After first flight on 9 October 1906, LZ 3 made many flights and carried a number of famous and influential passengers, including the German Crown Prince. Later it was used by German Army. It was retired 1913.
| Name | The Zeppelin LZ 3 |
| Other Name(s) | Z I |
| Construction Number | LZ 3 |
| Class | B |
| Tactical Numbering | Z I |
| Role | Experimental airship, Military airship |
| National Origin | Germany |
| Manufacturer | Friedrichshafen |
| Designer | Ludwig Dürr |
| Decade | 1900s |
| First Flight | 9 October 1906 |
| Number Built | 1 |
| Primary User/Under Direction of | Ferdinand von Zeppelin |
| Status | Retired 1913 |
| Lenght | 126.19 m (414 ft 0 in) |
| Diameter | 11.75 m (38 ft 6 in) |
| Volume | 11,429 m3 (403,600 ft3) |
| Powerplant | 2 × Daimler piston engines, 63 kW (84 hp) each |
| Maximum Speed | 40 km/h (25 mph) |