Obstacle Limitation Surfaces (OLS)
Understand the legacy and new ICAO obstacle limitation framework and learn how to apply OLS, OFS, and OES principles to aerodrome safeguarding, certification, and obstacle assessment.
Course description
Learning outcomes
Who should attend
Meet your instructor
Pablo Garcia Alonso
Pablo García Alonso is a seasoned Airport Operations and Apron Management Service (AMS) specialist with over two decades of frontline experience dedicated to optimizing the dynamic environment of Adolfo Suárez Madrid-Barajas Airport airport (MAD) a major international airport hub and one of the top 20 in the world. His journey has provided him with an unparalleled, ground-level understanding of the intricacies involved in transforming apron operations into powerhouses of efficiency, safety, and capacity.
Pablo was part of the foundational team that launched one of Europe's pioneering Apron Management Services at MAD in 2011, serving as one of its first 24 Apron Management Service Officers (AMSOs). His tenure within AMS saw him progress through roles of increasing responsibility, from AMSO to On-the-Job Training Instructor (OJTI) and Supervisor, and ultimately to Head of Management for the service under various leading Air Navigation Service Providers. This deep, multi-faceted experience encompasses not only direct operational control and supervision but also the design and delivery of specialized training programs, procedure development, and strategic service management.
Beyond his core AMS roles, Pablo's expertise is enriched by his diverse operational background, including experience as an AOCC & ATM Officer with AENA, a Turnaround Coordinator with Groundforce Handling, and in Cabin Maintenance Planning with Iberworld Airlines. This unique blend of experiences provides him with a holistic view of airside and airport operations. He has also contributed his knowledge academically as a Branch Director & Program Manager for Itaerea Aeronautical Business School, lecturing on Apron Management Service, Airport Business, and other related courses.
A passionate advocate for data-driven decision-making and operational excellence, Pablo is currently developing an innovative methodological framework for dynamic apron capacity assessment and resource management, aimed at providing airports with objective tools for strategic decision-making. He has actively contributed to industry best practices, including involvement in the writing of the upcoming "Industry Best Practices for Apron Management Service Guide" (to be published in 2025).
With the recent launch of his consultancy, Aipron, Pablo is now dedicated to leveraging his extensive hands-on experience and evolving methodologies to empower airports and aviation stakeholders worldwide, helping them unlock significant operational, financial, and environmental benefits through strategic AMS implementation and optimization.
Why you should attend?
The obstacle limitation framework established by ICAO is undergoing a significant transition. Amendment 18 to the 9th Edition of Annex 14, Volume I introduces Obstacle Free Surfaces and Obstacle Evaluation Surfaces, requiring regulators, aerodrome operators, and other aviation stakeholders to understand how the new framework differs from and interacts with the legacy OLS system.
For organizations responsible for certified aerodromes, this transition has practical implications for obstacle assessment, safeguarding, aerodrome documentation, and future development. Professionals need to understand not only the geometry of the relevant surfaces, but also how to evaluate penetrations and determine their operational and regulatory implications.
This training provides a side-by-side understanding of the legacy and new frameworks, supported by practical exercises that help participants apply the requirements to real aerodrome scenarios.
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