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What is the interval for updating data in the navigation database?(a) 1 hour(b) 1 month(c) 24 hours(d) 28 daysThis question was addressed to me in an international level competition.I would like to ask this question from Flight Management Systems in section Autopilots and Flight Management Systems of Avionics

Answer»

Correct answer is (d) 28 days

The explanation: The navigation DATABASE is updated every 28 days, according to the ICAO AiRAC cycle, and is held in non-volatile memory. It is clearly ESSENTIAL to maintain the RECENCY and quality of the database and the operator is RESPONSIBLE for the detail CONTENTS of the database which is to ARINC 424 format.



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