ALHAT

AcronymDefinition
ALHATAutonomous precision Landing and Hazard Detection Avoidance Technology
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References in periodicals archive ?
ALHAT has to enable precision landing - touching down within 30m (98.3ft) of a target - be able to detect a vertical height change in the terrain of 300mm (11.8in) and slopes of more than 5[logical not].
NASA Johnson Space Center-based ALHAT project manager Chirold Epp presented its progress at the American Institute of Aeronautics and Astronautics' Space 2008 conference in San Diego in September.
The Huey's first mission upon its return is to support ALHAT or Autonomous Landing and Hazard Avoidance Technology research.
And NASA's Autonomous Landing Hazard Avoidance Technology (ALHAT) team is in the process of making it happen.
Led by Johnson Space Center (JSC) and supported by Jet Propulsion Laboratory and Langley Research Center, ALHAT provides a planetary lander the ability to precisely land safely on a surface while detecting any dangerous obstacles such as rocks, holes and slopes.