Commercial Pilot License (CPL) Practice Exam 2025 - Free Commercial Pilot License Practice Questions and Study Guide

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How often must an Emergency Locator Transmitter (ELT) be inspected?

12 calendar months, hour of use, half battery life

The inspection of an Emergency Locator Transmitter (ELT) must be performed every 12 calendar months, and it also involves checks based on the hour of use and the battery life. This means that if an ELT has been activated and used, it must be examined to ensure it is functioning correctly after that usage. Furthermore, the battery must be inspected to verify that it has not exceeded its half-life; this is crucial because a depleted battery can result in the device not operating when it's needed most.

This comprehensive approach to inspecting the ELT ensures the reliability and readiness of the device to transmit distress signals in emergency situations. Regular inspections paired with specific criteria help maintain the safety equipment’s functionality and adherence to regulations for aviation safety.

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Every 6 months

Every year

Every 24 calendar months

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