Q: What are the 5 AC buses? A: #1 AC primary, #2 AC primary, AC essential bus, secondary bus and the AC monitor.
Q: Which buses are powered when the helicopter is using an external power source? A: All buses are powered.
Q: Which buses are powered when two of the three generators are providing AC power to the aircraft? A: All buses are powered.
Q: Which buses are powered when only one main generator is providing power to the aircraft? A: All buses, except the monitor bus. If the backup pump is turned on, the secondary bus is dropped too.
Q: If the APU generator is the only power source for the aircraft, which buses are powered? A: All buses except the monitor and secondary buses.
Q: What equipment is powered by the monitor bus? A: Main rotor de-ice.
Q: What equipment is powered by the secondary bus? A: Tail rotor de-ice, center windshield and co-pilot windshield anti-ice.
Q: What is the function of bus ties? A: Bus ties allow bus switching and allow generators to power different combinations of buses.
Q: What is the function of current limiters? A: These components take the bus offline in the event of an overload, and they cannot be reset in flight. The exception is the AC essential bus; it has two circuit breakers, not current limiters.
It is our mission to do work that optimizes our unique capacity to serve others.
We will humbly play the roles assigned to us to the best of our ability, while empowering others to do the same.
We will embrace the inevitable discomfort, uncertainty, and hard work as well as the joy, laughter, respect, and love that result from worthy pursuits.
We will continue to be students of “the game” and never stop developing as leaders and teachers in our community and world, as we cultivate our potential to serve.
Spiraling up, overcoming mistakes, closing the gap between who we are and who we can be.
