Turkey has a large and very important airspace (982,286 km2), located in close proximity to three continents (Europe, Asia and Africa). Due to its special geographical location, Turkish airspace includes crossroads with north-south and east-west traffic flows between Europe, Asia and the Middle East.


DHMİ’s strategy has two primary focuses:
•First, DHMİ wants to maintain its level of performance and strives to continuously improve the quality of its services.
•Second, the company aims to steadily develop its position in Europe and to achieve a leading position in the provision of air navigation services in the region.


The DHMİ Air Navigation Department is the unique Civil Air Navigation Service Provider for Turkey.

The DHMİ provides air navigation services by means of its approach control units and aerodrome control towers at 38 Turkish airports; and en-route air navigation services throughout Turkish airspace from two separate Area Control Centres located in Ankara and İstanbul. The İzmir (A. Menderes) Approach Control Unit also provides area control services for the southern part of the İstanbul FIR. These Area Control Centers have also taken on responsibility of some transition tasks in the area and arranging air traffic flow to/from Europe. The DHMİ takes all measures to provide a high quality service in a safe ATM environment

The DHMİ Air Navigation Department is responsible for the following tasks:

• Air Traffic Management:* Air Space Management

* Air Traffic Services
* Safety Management
* ATM occurrence investigation



* Participation in EUROCONTROL and ICAO activities / projects,
* Airspace design (Designing instrument approach, departure and landing procedures, ATS routes, sectorisation)

•AeronauticalCommunications Management
• Aeronautical Information Management

* Collecting and distributing aeronautical data, such as publishing, editing and amending the Turkish AIP;
* publishing Aeronautical Information Circulars and Pre-flight bulletins;
* producing aeronautical charts;
* receiving, issuing and distributing

• Flight Inspection Services (Two Citation 5 aircraft and two AS 355 F2 helicopters serve for the approval of instrument procedures and calibration of facilities)

• System Project Development and
Assessment Management

The DHMİ is also responsible for training of all ANS staff and regulation of their license and rating procedures, as well as manpower planning. Moreover, the DHMİ conducts customer appreciation surveys on a regular basis and consults airspace users to ensure a common understanding and to facilitate collaborative decision making.

In the meantime, the DHM İ has the ISO 9001:2000 certificate for its Air Navigation Services since 12 July 2005. With this certificate it was documented that the DHMİ meets the requirements to be appointed as the air navigation service provider in Turkish Airspace. Necessary assessments are carried out annually by the Turkish Association for Quality and Management Systems in order to check and ensure the compliance with the requirements. As a result of the internal assessments made by Quality Management representatives and the external audits carried out by the certifying authority revealed that there were no deviations from requirements in 2007, proving the validity and efficiency of our system.