Voir
https://www.skybrary.aero/index.php/Emergency_Locator_Transmitter_(ELT)
English version: https://www.easa.europa.eu/sites/default/files/dfu/EASA-sunny-swift-flight-instructor-issue14-EN.pdf
En français : https://www.easa.europa.eu/sites/default/files/dfu/EASA-sunny-swift-flight-instructor-issue14-FR.pdf