1. UH-60 Electrical System
By: CW3 Tommy W. Hanks

2. OBJECTIVE:
To develop the student instructor pilot’s (IP) understanding of the UH-60 Electrical System.

3. REFERENCES: TM
UH-60 Electrical System Student Handout

4. OUTLINE: Overview of electrical components and their locations.
Review & Questions
Conclusion

5. COMPONENTS AND LOCATIONS:
Generators
Generator Control Units (GCU)
AC Primary Bus
AC to DC Converter
DC Primary Bus
AC Essential Bus
DC Essential Bus

6. COMPONENTS AND LOCATIONS (con’t):
Battery Bus
Battery Utility Bus
Charger Analyzer
External Power Monitor Panel
Battery
Current Limiters

7. ELECTRICAL SYSTEM EPs:
Lightning Strike
Generator Failure
Battery Fault
Battery Low Charge
Generator Bearing Caution Light
Electrical Fire in Flight

8. ELECTRICAL SYSTEM LIMITS:
APU Generator Operating Limits

9. REVIEW & QUESTIONS:
CONCLUSION!
CW3 JOHNNY CURREN IS MY HERO!

10. UH-60 FIRE DETECTION SYSTEM
BY: CW3 Tommy W. Hanks

11. OBJECTIVE:
Develop the student IPs understanding of both the UH-60 Fire Detection and Fire Extinguishing Systems.

12. REFRENCES: TM
UH-60 Fire Detection Student Handout

13. OUTLINE: Overview of components and their locations
Review and Questions
Conclusion

14. COMPONENTS AND LOCATIONS:
Fire Extinguisher Bottles
Directional Control Valve
Photo-conductive Cells
Extinguishing Discharge Ports
10G Impact Switch
Thermal Relief Port

15. FIRE DETECTION SYSTEM EPs:
Fire in Flight
Fire on the Ground
APU Compartment Fire

16. ASSOCIATED LIMITATIONS:
!!! CAUTION !!!
In case of fire when AC electrical power is not applied to the helicopter, the reserve fire extinguisher must be discharged. Fire extinguisher agent cannot be discharged into the #2 engine compartment if AC electrical power is not applied to the helicopter.

17. BONUS: NAME THE EXTINGUISHING AGENT USED!
REVIEW AND QUESTIONS:
CONCLUSION
BONUS: NAME THE EXTINGUISHING AGENT USED!