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Flight Inspection

Definition

Flight Inspection rate
The evaluation process, using properly equipped aircraft, regarding continuity, integrity and accuracy of significant parameters from radio navigation aids and procedures, aiming their calibration with international standards.
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Traditional air navigation uses information given or sent by special dedicated transmitters on ground (called radio-navigation aids). There is a variety of aids’ type, supplying different information (bearing, distance, path deviation…) and, as any other electronic devices, these transmitters may fail, loose strength or accuracy, work out of tolerance or giving wrong information, with a prospective impact in airspace safety. This is the reason why a periodical flight service to check, verify and certify their data is needed. This is Flight Inspection for. Aircraft equipped with special and dedicated hardware (called Flight Inspection System) collect radio-navigation aids’ data and apply (compare with) international standards’ tolerance (this is called calibration), to validate electronic signal in space and certify final status of aids (so it to be published for general knowledge). The goal is having a safe air navigation infrastructure, ensuring the integrity of instrument approaches and airway procedures.
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Usage: ICAO and FAA are most common international standards used within flight inspection.
VOR, ILS, NDB, VASI, DME, MLS, are different navigation aids and need periodic flight inspection.


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