DURATION: 0.75 Hrs
OBJECTIVES
During this lesson, the student will continue the study of the training helicopter components, systems and instruments.

Content
A) Fuel and Fuel System
1) Fuel grades and colors
a) Octane Rating
b) Dye
2) Fuel system operation
a) Minimum fuel, usable fuel &amp; reserves
b) Fuel Shut OFF valve operation
c) Mixture control
d) Indication
e) Priming
3) Fuel contamination
a) Preventative measures
b) Mixing results
c) Water
d) Dirt and sediment
e) Elimination measures

B) Environmental systems
1) Cabin heating and ventilation
a) CO indication
b) Door removal and limitations

C) Avionic Systems
1) Lighting system/aircraft lights
a) Navigation/position lights
b) Anti-collision light
c) Landing lights
d) Interior and instrument lights
2) Radio and Transponder Operation
a) Frequency input
b) Radio selection and monitoring
c) Emergency operation

COMPLETION STANDARDS
This lesson will be complete when by oral examination, the student displays an understanding of the material presented and has completed the study assignment.