HAL airport becomes first in India to operationalise RNP CAT H helicopter approach
RNP CAT H helicopter approach procedure is a satellite-guided precision navigation system designed exclusively for helicopters

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RNP CAT H helicopter approach procedure is a satellite-guided precision navigation system designed exclusively for helicopters
Called the Required Navigation Performance – Category H (RNP CAT H) helicopter approach procedure, it has been developed by the Airports Authority of India (AAI)