Low-level air routes are specifically designed for helicopter operations and are typically established at the initiative of emergency medical services or state carriers, such as the military or police. These routes follow instrument flight rules, but operate at lower altitudes than regular air traffic. By doing so, helicopter traffic is separated from faster-moving aircraft, allowing helicopters to operate in more favorable meteorological conditions, especially during winter when cold air at these altitudes, combined with moist air masses, can lead to icing conditions.
When designing low-level air routes, planners should consider various factors that impact safety directly or indirectly. These include terrain characteristics, airspace type, coverage by the global navigation satellite system signal, local meteorological conditions, and other factors that influence safety. Operators should ensure that helicopters are equipped with suitable navigation systems, and their highly trained air crews maintain proficiency through regular training.
Effective safety systems require monitoring operations, reporting deviations, and maintaining an internal safety system within the organization. Detecting threats actively contributes to avoiding dangerous situations in the future, adjusting aircraft procedures, and enhancing overall operational awareness, using both personal and external experiences.
|