ELT Issues

Beech Model 200 Super King AirWaterlogged ELTATC advised crew the ELT may be inadvertently transmitting. Inspection revealed the ELT was filled with water, possibly due to a heavy rainstorm the previous day. The ELT was replaced and the aircraft returned to service.

Key Takeaways:

• Emergency Locator Transmitters (ELTs) across various aircraft models demonstrate frequent and diverse malfunctions, including uncommanded activations, failure to activate in actual accidents, G-switch failures, low transmitting power, and susceptibility to water damage.
• Several incidents specifically highlight recurring reliability issues with AmeriKing ELTs, such as common G-switch failures and high rates of false activations, with one model's manufacturer under an FAA cease and desist order.
• The reported incidents collectively point to significant widespread reliability concerns with ELT systems, affecting their ability to properly signal emergencies and often leading to false alarms.

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