The Ground Support Department (GSD) of an airline.

The Ground Support Department (GSD) of an airline plays a vital role in ensuring the safe, efficient, and timely operation of aircraft on the ground. It manages ground support equipment (GSE), ramp support services, aircraft handling, and operational readiness. GSD ensures that all ground equipment is properly maintained, serviceable, and available to support aircraft operations while maintaining the highest standards of safety, reliability, and regulatory compliance.