Boeing and Airbus combined have delivered thousands of airliners capable of executing precision approaches and landings using the Ground-Based Augmentation System (GBAS) to ensure the integrity and improve the accuracy of GPS signals. But only a few commercial airports in the U.S. now host such a landing system. Honeywell builds the only GBAS with FAA system design approval. The company’s SLS-4000 SmartPath system supports Category 1 (Cat. 1) instrument approaches and landings that ...

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