OLS and Height Clearance Services
Protecting Airspace. Enabling Compliant Development.
Overview & Purpose
Obstacle Limitation Surface (OLS) and Height Clearance Services form a core technical specialization of GQ Traders. We provide advisory and compliance support to ensure that proposed developments remain fully compliant with protected airspace and aviation safety regulations in accordance with ICAO Annex 14 and PCAA regulations.
Scope of OLS & Height Clearance Services
Comprehensive technical evaluation of proposed structures against protected airspace surfaces to determine potential penetrations and operational impact. We provide detailed Obstacle Limitation Surface assessments, height clearance certification support, aviation NOC documentation, radar and CNS/ATM obstruction evaluations, elevation verification, and field surveying to ensure seamless regulatory approval.
Key Technical Capabilities:
Our OLS Clearance Process
Preliminary Assessment
Intake of project coordinates, proposed building elevation, and baseline aerodrome reference data.
Technical Evaluation
Geometric modeling of approach, takeoff, and transitional surfaces against relevant aviation standards.
Documentation & Submission Support
Preparation of verified technical reports, NOC dossiers, and authority coordination.
Clearance & Verification
Final compliance validation, NOC issuance support, and post-approval documentation.
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