Longuard Aviation Consultants Limited, trading as Lacle Aviation Consultants, was established in September 2019 by a group of engineers who previously worked for a major international Air Navigation Service Provider for many years. Lacle Aviation Consultants is an independent specialist CNS/ATM engineering consultant specialising in issues related to airport safeguarding, covering height restrictions, CNS/ATM equipment, as well as flight operations. The company is also capable of conducting aeronautical studies in a number of disciplines:

Airspace and flight procedure designs with the latest design concepts, criteria and technologies;

Airspace and airport airside operational assessments and capacity studies: Qualitatively through expertise and; Quantitatively with data analysis and advanced fast-time simulations;

Airport environmental assessments for noise and air quality;

ATM/CNS Engineering: design, specification, procurement, installation, integration, commissioning, and through-life support of major systems.