Introduction to Obstacle Limitation Surfaces (OLS)

Dipl.-Ing. Sierk Törl

Sierk is a team member of airsight’s “Aerodrome Safeguarding and Flight Procedures” division. At airsight, Sierk gained extensive project knowledge with regards to obstacle assessments and CNS safeguarding studies at airports. Through international projects, e.g. for the airports of Accra, Dubai, Malta, Nice and Montego Bay as well as for various wind energy and project planning companies, he acquired a wide range of experience.

Prior to joining airsight, Sierk worked for a German airline as a flight operations engineer with a special focus on aircraft performance as well as aircraft weight and balance. Furthermore, he supported the airline’s flight crew training department and conducted pilot trainings as part of the pilot’s type rating.

Oliver Schade, M.Sc.

Mr Oliver Schade studied Aeronautics and Astronautics at the Technical University of Berlin (Technische Universität Berlin) where he was active in research and teaching as well. He joined airsight’s “aerodrome safeguarding and flight procedures” division in early 2023.

At airsight, Oliver conducts obstacle assessments and aeronautical studies for proposed developments such as wind farms. Currently, he undergoes training to become a flight procedure designer.

He holds a pilot’s license with an instrument rating, undergoes qualification for the Commercial Pilot License (CPL) and has been teaching other pilots radio telephony phraseology for several years.
 

Dipl.-Ing. Malte Karger

Malte is responsible for flight procedure design and obstacle assessments of airsight’s consulting division. He is also a renowned and appreciated trainer, sharing his knowledge and practical experience with other industry experts in airsight’s scheduled as well as customised in-house training courses in countries such as Germany, Greece, Switzerland and Turkey.

As an advisor of ICAO’s Instrument Flight Procedure Panel (IFPP) in the capacity of a field expert, Malte participates in the Obstacle Limitation Surfaces Task Force (OLSTF).

Malte acquired extensive experience on international projects dealing with obstacle assessments and aeronautical studies for clients such as Berlin, Dubai, Hamburg, Luxembourg, Malta, Nuremburg, Stuttgart and Warsaw Airports as well as for several smaller airfields. Furthermore, he conducted numerous flight procedure design projects (conventional and RNAV/PBN)  for Airports, for Airlines (e.g. Air Austral, Air Transat) as well as for Air Navigation Service Providers such as MATS (Malta Air Traffic Services) and Romanian Air Traffic Services Administration (ROMATSA).