# SYSTEMS/ANTI ICE

### BLEED AIR SYSTEM VALVES STATUS <a href="#bleed-air-system-valves-status" id="bleed-air-system-valves-status"></a>

* **OPEN:** green circle with a green line aligned with the flow line.
* **CLOSED:** white circle with a white line perpendicular to the flow line.
* <mark style="color:red;">**UNDETERMINED:**</mark> <mark style="color:red;"></mark><mark style="color:red;">amber dashed circle with no line.</mark>
* <mark style="color:red;">**FAILED CLOSED:**</mark> <mark style="color:red;"></mark><mark style="color:red;">white circle with a white line perpendicular to the flow line beneath an amber cross.</mark>
* <mark style="color:red;">**FAILED OPEN:**</mark> <mark style="color:red;"></mark><mark style="color:red;">green circle with a green line aligned with the flow line, beneath an amber cross.</mark>

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### BLEED AIR TEMPERATURE INDICATION <a href="#bleed-air-temperature-indication" id="bleed-air-temperature-indication"></a>

* Digital temperature.

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### BLEED AIR PRESSURE INDICATION <a href="#bleed-air-pressure-indication" id="bleed-air-pressure-indication"></a>

* Digital temperature.

### WING ANTI-ICE TEMPERATURE INDICATION <a href="#wing-antiice-temperature-indication" id="wing-antiice-temperature-indication"></a>

* Digital temperature

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### ICE CONDITION ANNUNCIATION <a href="#ice-condition-annunciation" id="ice-condition-annunciation"></a>

* Indicates an icing condition has been detected.

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### ANTI-ICE FLOW LINE <a href="#antiice-flow-line" id="antiice-flow-line"></a>

* **Green:** pressurized
* **White:** not pressurized
* <mark style="color:red;">**Amber:**</mark> <mark style="color:red;"></mark><mark style="color:red;">overheated</mark>
* <mark style="color:red;">**White/Amber Dashed:**</mark> <mark style="color:red;"></mark><mark style="color:red;">undetermined</mark>

### APU <a href="#apu" id="apu"></a>

* APU icon only displayed on ground