PSA Airlines Canadair Regional Jet Systems (PSA-CRJ) Practice Exam

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What happens to the Ice Detector probes when icing conditions are met?

  1. They stop vibrating

  2. They begin heating

  3. Their vibration frequency increases

  4. Their battery power is reduced

The correct answer is: They begin heating

When icing conditions are met, the Ice Detector probes activate a heating element to prevent ice from accumulating on their surfaces. This heating is essential to ensure the probes remain functional and accurately assess the presence of ice. By beginning to heat, the probes can effectively detect icing conditions without being compromised by ice buildup. This response is critical for maintaining safety and operational integrity, allowing the aircraft systems to react appropriately to icing hazards.

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