# Tower
Dortmund Tower is responsible for all aircraft within the control zone and at the active runway.
**Approaches:** For both runways ILS (CAT II), RNP, VOR and NDB approaches are available.
### Control Zone
The control zone of Dortmund reaches up to 2500 ft AMSL.
**24 Operations**
| **06 Operations**
|
**VFR Entry:** N and E
**VFR Exit:** W and S
| **VFR Entry:** W and S
**VFR Exit:** N and E
|
*[](https://knowledgebase.vatsim-germany.org/uploads/images/gallery/2022-10/edlw-ctr.png) Dortmund Control Zone (D-CTR) - © [openflightmaps.org](https://www.openflightmaps.org/)*
**TMZ:** Outside the control zone is a TMZ where all VFR aircraft must set transponder code 6102.
**Helicopter:** The Helipad west of the GAT can be used for all helicopter landings and departures.
### Direction of Operation
Operating direction 24 is preferred up to a tailwind component of 5 KT.
### Auto Handoff
Dortmund utilizes an auto-handoff procedure for IFR departures where **Tower will not hand off outbounds to the approach/center controller**. Make sure to set the correct departure frequency in the ATIS.
Outbounds should contact APP/CTR **immediately when airborne** unless explicitly told to remain on Tower frequency.