Tag: permissible top elevation

Building Height Restriction Near Airport: A Builder’s Guide

A building height restriction near airport applies to any site within 20 km of a VFR airport or 56 km of an IFR airport, measured from the Aerodrome Reference Point (ARP). Your maximum height is the Permissible Top Elevation (PTE) set by AAI minus your site’s ground elevation. You need an AAI NOC before construction […]

Top 10 Reasons Airport NOC Applications Get Rejected

Nearly half of all height clearance applications filed with AAI don’t get approved on the first attempt. That’s not an exaggeration for effect. It’s a documented pattern, and understanding it can save your project months. In short, the most common airport NOC rejection reasons involve technical data errors, not paperwork gaps. Wrong coordinate formats, certificate […]

What is Colour Coded Zoning Map (CCZM) and Why It Matters

Ever wondered why some buildings near an airport get approved by the local municipal office in days, while others wait months for AAI’s sign-off? The colour coded zoning map AAI system is usually the answer. The colour coded zoning map AAI publishes is a grid-based map that shows the Permissible Top Elevation (PTE) for every […]