Radio frequency (RF) technology is an integral part of modern aviation, encompassing anything from advanced communication equipment to onboard entertainment. As RF technology is employed in many sectors of aviation, this blog will cover some of its most critical applications and how it has made air travel easier.
Pilots take advantage of RF communication equipment, most commonly known as radios, to communicate on ground, during takeoff, on board, and after landing. Ground teams and pilots communicate using radios to exchange information about loading cargo, fueling, aircraft conditions, parking bay details, and more. Air Traffic Control (ATC) also uses radios at a specific frequency to keep in contact with pilots. After takeoff, aircraft must maintain contact with ATC for flight directions, altitude data, and updates on weather conditions. Pilots can even contact other pilots in the same airspace. Sophisticated RF equipment is found in nearly every aircraft like collision avoidance systems, and it is important to note that the VHF range falls between 118 MHz and 137 MHz in commercial aviation.
Modern aircraft steadily rely on instruments for accurate navigation during flights and landing. In fact, satellite navigation systems such as GPS technology are utilized by military and commercial aircraft for accurate real-time location data and navigation. ATC are continuously scanning their airspace for position and altitude information, ensuring safe flying conditions for all aircraft in flight. For instance, pilots can seek permission from ATC to climb or descend during unprecedented weather conditions. Modern RADARs allow for precise landings by making accurate measurements of distance and exchanging information with flight instruments with low latency.
Baggage and Shipment Tracking
RFID tags are used in baggage handling for efficiency and convenience. When compared to traditional barcode scanning, RFID tags have proved superior in their ability to avoid the mishandling of luggage and loading mistakes while ensuring easy access to luggage. Alaska Airlines introduced reusable RFID for their frequent flier program, making check-in procedures simpler. Additionally, cargo services also benefit from RFID tags as they allow customers to track items in real-time.
RF scanners can read and write information about a specific panel in an aircraft or maintenance records for a particular module. By scanning an RFID tag, maintenance engineers have access to an electronic maintenance record of each section of the aircraft. In 2012, Boeing employed RFID tags as a part of their maintenance procedure called component management optimization. These tags provide information regarding various aircraft sections including part number, serial number, date of manufacturing, and maintenance history.
Another major application of RF technology in aviation is found in modern infotainment systems like onboard WiFi accessibility and display screens.
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