Obstacle Limitation Surfaces

Safe airport operations demand a permanent monitoring of obstacles at and around airports. It is crucial to keep them in line with the applicable obstacle limitations.

The construction of new infrastructure or changes to airport operations require systematic obstacle evaluations and assessments to maintain an acceptable level of safety


This 2-day training course provides a comprehensive overview of aerodrome safeguarding and the assessment of obstacles at and in the vicinity of aerodromes.

Your instructor Keith Tonkin has a 30-year aviation industry history including flying F-111 fighter jets and Caribous with the Royal Australian Air Force, followed by a career flying internationally and domestically for Qantas.

Keith has been involved in many airport planning and upgrade studies, and provided operations and management expertise to airports around Australia and the South Pacific. Keith is directly engaged by law firms, government agencies and companies to deliver key evidence in environmental and development planning cases. Keith's firm Aviation Projects in Brisbane, Australia specialises in the safe, secure, efficient and sustainable design and management of airports.

Keith is a professional volunteer for the AviAssist Foundation.


The course is designed for those who have (or should have) a role in the effective planning and construction of new airports and airport expansion projects, including:

  • Heads of department
  • Engineers
  • Inspectors
  • Surveyors from aviation authorities
  • Airport operators
  • Engineering contractors
  • City & district planning authorities

The course content is based on international ICAO requirements.

Course subjects

This course transfers knowledge, skills and attitude in relation to:

  • International and national regulations incl. ICAO Annex14
  • Airspace and procedures
  • Introduction to instrument flight procedure design - ICAO
    Document 8168, PANS-OPS
  • Aeronautical data quality & accuracy requirements
  • Surveying obstacles
  • Chart production
  • Protection of critical aviation facilities
  • Dealing with non-compliance & infringements
  • Aeronautical studies & safety assessments

Request a quotation

This course is given at the ASPC-Rwanda at the University of Rwanda. Click here for course fee information and booking.

The course can also be given as an in-company course your premises throughout Africa. Contact us for a quotation for an in-company course.

International Air Law & Policy

September 18 | 8:30 am - September 20 | 4:30 pm CAT
Greenstone near OR Tamba International Airport, Johannesburg