In case of emergency, how can you communicate your location if unable to contact ATC?

Activating the Emergency Locator Transmitter (ELT) or the URT-33C/M Locator Beacon is a reliable method of communicating your location in an emergency situation when you are unable to contact air traffic control (ATC). These devices are designed specifically for this purpose, emitting signals that help search and rescue teams locate the aircraft quickly and efficiently. The ELT typically broadcasts a distress signal on designated frequencies that are monitored by rescue organizations, while the URT-33C/M Locator Beacon also provides a means for search teams to pinpoint the aircraft's location.

Using hand signals, dropping a flare, or sending a distress signal by radio may not provide the same level of reliability or range as activating an ELT or locator beacon. Hand signals can only be effective in very close proximity to others, while flares require visibility and may not be seen by search teams depending on weather conditions. Sending a distress signal by radio depends on having the ability to communicate, which isn't effective if you're already unable to reach ATC. Therefore, activating the ELT or locator beacon represents the best method for ensuring your location is communicated effectively during an emergency.