Section 7 Pilot’s Operating Handbook
Description of Airplane and Systems EXTRA 500
Rate control knob
Figure 7-19
Pressure Controller Dial
7.27 Ice Inspection Light
Refer to paragraph “Lighting System” in this Section.
7.28 Electric Propeller De-Icing
Refer to paragraph “Propeller” in this Section.
7.29 Electrically Heated Windshield
An electrically heated rectangular area including temperature
sensors is embedded in the pilot’s windshield.
The windshield heat can be activated by switching the
WINDSH
select switch on the left side de-ice panel to
ON position.
Once activated, a temperature regulator monitors via two
temperature sensors the temperature and closes a relay to supply
the heater with electrical current, when one of the sensors
reaches the activation temperature. The regulator opens again
7-72 26. January 2011
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