blade deice

Question 1

what will the De-ice master switch turn on if it is on while ice is detected

Answer 1

eng anti ice, windshield anti ice, blade deice

Question 2

what part of the anti ice system cannot be checked on external power only

Answer 2

EOT test

Question 3

how does the helicopter determine how bad the icing environment is

Answer 3

how often the probe aspirator heater is turned on

Question 4

relationship between OAT and EOT

Answer 4

the colder it is, the longer the heater element will be on

Question 5

are all main rotor blades heated simultaneously

Answer 5

no they are heated in cycles

Question 6

are all the tail rotor blades heated simultaneously

Answer 6

yes

Question 7

when are the droop stops heated

Answer 7

whenever the blade deice control panel switch is in on or test

Question 8

when should we use the manual mode of the blade deice system

Answer 8

when an icing rate malfunction is indicated by illumination of the ice detected caution, or when the pilot has determined by judgement of the icing intensity that the ice rate of the system is wrong, when torque has increased to an unacceptable level, when vibes have increased to unacceptable levels