| Relationships | Role | Relationship Start | Relationship End |
| Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh | Parent | 12/31/1993 | 11/8/1998 |
| Daimler-Benz Aerospace Ag | Parent | 12/8/1989 | 12/30/1993 |
| Relationships | Role | Relationship Start | Relationship End |
| Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh | Parent | 12/31/1993 | 11/8/1998 |
| Daimler-Benz Aerospace Ag | Parent | 12/8/1989 | 12/30/1993 |