To reduce the frequency of accidental ELT activations and unnecessary deployment of SAR service, ICAO/Airworthiness Panel (AIRP)/6 has developed Guidance for States, Operators and Maintenance providers to prevent inadvertent activation when handling and maintaining Emergency Locator Transmitters (ELTs).
This document is available on ICAO website at https://www.icao.int/safety/OPS/OPS-Normal/Pages/Guidance_ELTs.aspx