Helicopters occupy their own special niche within the aviation community. The EBC 502H was the first ELT developed in recognition of the fact that a helicopter crash is dynamically different from a fixed wing crash. The EBC-502H includes a second 360° azimuthal accelerometer to create a true 360° spherical 6-axis G-Switch. The EBC 502H will respond to a crash force from any direction - Up, Down, Left, Right, Front, Back.
The EBC 502H has been engineered for helicopter operation by reducing the sensitivity to low-frequency turbine vibration and rotor input, thus making this ELT more immune to false activation while retaining a high sensitivity in actual crash situations. If helicopters are your concern, insist on the ELT designed for you special needs - the EBC 502H, the Helicopter Emergency Locator Transmitter.