Sky voice alert LHA 500 for general aviation aircraft

A Lidar-based SkyVoice Alert LHA 500 for a general-aviation aircraft provided with a downward looking Lidar affixed onto a removable access plate that fits onto an opening for a wing cavity or empennage cavity in such aircraft;

• the SkyVoice Alert LHA 500 comprising:
• a housing affixed onto said access plate and adapted for aligning a laser beam from the Lidar with a window formed in said access plate;
• DC-DC converter in said housing with an input receiving airplane battery power and an output providing regulated DC at a nominal DC voltage level;
• a Lidar module mounted in said housing with a beam axis aligned with the opening in said access plate;
• the Lidar module providing height over ground data below a predetermined limit;
• a connector cable permitting connection to and disconnection from an audio panel in said aircraft;
• wherein said DC-DC converter includes an electrolytic capacitor at its DC output with a capacitance sufficient to damp out high frequency in said DC output.