If BATT TEMP is not present and the SFI FAULT light is illuminated with smoke from the radome, what corrective action is required?

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Prepare for the Mission Helicopter-65E Test with flashcards and multiple choice questions. Each question has hints and explanations. Get ready for your exam!

Multiple Choice

If BATT TEMP is not present and the SFI FAULT light is illuminated with smoke from the radome, what corrective action is required?

Explanation:
Smoke in the radome with an SFI fault lamp on signals a potential electrical fire in the SFI system. The safest immediate action is to remove power from the affected system and from the helicopter to stop any current feeding the fault and reduce the fire risk. Shut off the SFI battery and the aircraft power. This fully isolates the faulty circuit and prevents further ignition sources, allowing you to follow emergency procedures and land as soon as practicable. Other actions don’t guarantee complete de-energization of the SFI fault area, so they can leave the risk active or delay suppression.

Smoke in the radome with an SFI fault lamp on signals a potential electrical fire in the SFI system. The safest immediate action is to remove power from the affected system and from the helicopter to stop any current feeding the fault and reduce the fire risk. Shut off the SFI battery and the aircraft power. This fully isolates the faulty circuit and prevents further ignition sources, allowing you to follow emergency procedures and land as soon as practicable. Other actions don’t guarantee complete de-energization of the SFI fault area, so they can leave the risk active or delay suppression.

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