RTK-GNSS survey accuracy is centimetre-level, while a handheld or phone GPS is typically good to about 5 m. For an AAI NOC, that gap decides whether your data is acceptable, because AAI asks for 0.5 m elevation and 3 m position. Learn how it works in our site elevation survey for airport NOC guide. Quick […]
AAI NOC Appeal: Appellate Committee Process (2026)
An AAI NOC appeal is a formal request to the Appellate Committee of the Ministry of Civil Aviation for a higher permissible height than the AAI Designated Officer granted. This guide explains who can appeal, the steps, the fees and the outcome. For quick fixes, read our AAI NOC objection reply guide. Quick Answer The […]
Defence NOC or AAI NOC? Decision Flowchart (2026)
Whether you need a defence NOC or an AAI NOC depends on what stands near your site: a civil airport, a military airfield, a defence establishment, or a mix. This decision flowchart gives the answer in just a few minutes. For a detailed side-by-side table, read our defence NOC vs AAI NOC comparison. Quick Answer […]