Introduction to obstacle limitation surfaces

Obstacle limitation surfaces define the obstacle-free airspace required for aircraft to be able to safely operate at an aerodrome. This video explains the types of surfaces and how they are defined.

[@bugra2211]

You explained it really well. I really appreciate your work. Thank you sir!

[@pareshprajapati7916]

Excellent , explained in highly professional way.
Thank you sir
🇮🇳🕉️🙏

[@AndyMatrix]

on takeoff , 600ft clearance of a 9ft high wall is enought?
Power lines 30ft high is 2000ft away.
6000ft runway for private jet, some of them with full fuel needs entire runway.

[@JackOnTrack]

What kind of software do you use to make it visible in google earth ?

[@rcktification]

Hello sir, can i use it for my study? thank you