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Introduction to Obstacle Limitation Surfaces (OLS)

This course enables participants to establish and to evaluate the ICAO/EASA Obstacle Limitation Surfaces (OLS) for aerodromes. 

Safe airport operations demand a permanent monitoring of obstacles in the close proximity of airports. The construction of new infrastructure or changes to airport operations require systematic obstacle evaluations and assessments to maintain an acceptable level of safety. 

International regulations from the International Civil Aviation Organization (ICAO) as described in Annex 14 Vol. I as well as regulations from European Union Aviation Safety Agency (EASA) as described in the CSADRDSN specify airspace around aerodromes to be maintained free from obstacles. For that purpose, Obstacle Limitation Surface (OLS) are described, which ideally shall not be penetrated by an object.  

The objective of this training course is to provide a comprehensive overview of the Obstacle Limitation Surface (OLS). Attendees will learn how to establish the relevant Obstacle Limitation Surfaces and how to determine OLS infringements. 

Please note:

This course takes place on two different, non-consecutive days, as there is a one-day break in between to complete exercises given out on day one. 

This course can also be booked as an in-house version in German - however, the course material is only available in English. 

Course Details

Location:Virtual
Language:English
Date:22.11. + 24.11.2022
Duration:2 days

Course Fee

The course fee includes the registration, training material and examination. For non-virtual courses, coffee breaks and business lunch are also included. 

excl. VAT
995,00 EUR
incl. VAT
1.184,05 EUR

For virtual trainings:

19% VAT will be charged for German customers, private customers and EU customers without valid EU VAT identification number. Eligible customers may be charged 0% VAT. For further information please visit: About Taxes.

The final price will be shown on your invoice.

Course Content

Regulations and fundamentals 

  • International Civil Aviation Organisation (ICAO), European Aviation Safety Agency (EASA) 
  • Categories of aircraft, aerodromes and runways 

ICAO obstacle limitation surfaces (OLS) 

  • Horizontal and Conical surfaces 
  • Approach surface 
  • Transitional surface 
  • Take-off climb surface 
  • Obstacle Free Zone (OFZ) 

Aerodrome Areas 

  • Runway strip 
  • Runway End Safety Area (RESA) 
  • Clearway 

Trainer

Sierk Törl, Dipl.-Ing.

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, Montego Bay and Singapore 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.

Target Group

  • Aerodrome safety experts 
  • Aerodrome engineers and planners 
  • Air traffic control staff 
  • Aviation safety experts 
  • Architects and civil engineers 
  • Civil Aviation Authorities staff 

Course Location

Virtual Classroom

Technical Requirements

To access our live training course you will simply need:  

  • a computer (PC or Mac), tablet (iPad or Android) or a similar device with a webcam and microphone 
  • Internet connection.

Detailed instructions (incl. link for the virtual classroom audience) together with digital training materials will be sent to attendees before commencement of the course (in general one week before course start)! 

The airsight team is at your disposal to facilitate your personal virtual classroom experience and support you with setting up and testing your system.

Organisational Details

The course hours are scheduled as follows:

09:00 am - 2:00 pm (CET)

At the end of the course, all participants will receive an airsight certificate based on EASA training regulations, which is highly recognized throughout the aviation industry.

About airsight Training

airsight Training course quality

airsight operates an ISO 9001 certified Quality Management System and pursues the objective to provide high quality services that fully meet the clients’ needs.

Show more

Course Details

Location:In-house
Language:German or English
Duration:2 days

Course Content

Regulations and fundamentals 

  • International Civil Aviation Organisation (ICAO), European Aviation Safety Agency (EASA) 
  • Categories of aircraft, aerodromes and runways 

ICAO obstacle limitation surfaces (OLS) 

  • Horizontal and Conical surfaces 
  • Approach surface 
  • Transitional surface 
  • Take-off climb surface 
  • Obstacle Free Zone (OFZ) 

Aerodrome Areas 

  • Runway strip 
  • Runway End Safety Area (RESA) 
  • Clearway 

Trainer

Sierk Törl, Dipl.-Ing.

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, Montego Bay and Singapore 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.

Target Group

  • Aerodrome safety experts 
  • Aerodrome engineers and planners 
  • Air traffic control staff 
  • Aviation safety experts 
  • Architects and civil engineers 
  • Civil Aviation Authorities staff 

Organisational Details

airsight offers this training course on request, worldwide. At the end of the course, all participants will receive an airsight certificate based on EASA training regulations, which is highly recognized throughout the aviation industry.

About airsight Training

airsight Training course quality

airsight operates an ISO 9001 certified Quality Management System and pursues the objective to provide high quality services that fully meet the clients’ needs.

Show more