Charles Alcock is managing editor of the AIN Media Group, having rejoined the company in 2019. He has been an aviation journalist since 1986, and previously worked for AIN from 1990 to 2017, most recently as editor-in-chief. His main focus is on covering new aviation technology and business models, as well as international news.
Having been raised in the London area, Alcock studied at the University of Manchester in the UK and earned an honors degree in Politics and Modern History. He speaks English and French, and some German.

Managing Editor

Charles Alcock

EASA has updated its warning to aircraft operators about the dangers posed by interference to navigation systems caused by spoofing and jamming of signals. On Friday, the European aviation safety agency published the third edition of its <a href="https://ad.easa.europa.eu/ad/2022-02R3">safety information bulletin</a> (SIB) on global navigation satellite system outages and alterations leading to communication, navigation, and surveillance degradation, underlining heightened threats in airspace around conflict zones.
In a bid to offer more timely information about threats, EASA has also established a new <a href="https://www.easa.europa.eu/en/domains/air-operations/global-navigation-satellite-system-outages-and-alterations#FIRs%20affected">dedicated platform</a> to update operators on GNSS system outages and alterations in impacted flight information regions (FIRs). Currently, the FIRs of most immediate concern are in the southern and eastern Mediterranean Sea and the Middle East, around the Black Sea, in parts of Eastern Europe, and the Baltic Sea and Arctic region.
Jamming blocks signals used by <a href="https://www.ainonline.com/aviation-news/air-transport/2024-03-04/gnss-jamming-and-spoofing-events-present-growing-danger">navigation systems</a>, and spoofing sends false information to the receiver onboard an aircraft. The latest EASA guidance updates an earlier SIB issued in November and includes specific recommendations for regulators, air traffic management and air navigation service providers, and aircraft operators.
To guard against jamming, operators are urged to verify their aircraft’s position using means other than a GNSS, report anomalies, train crew, and make non-GNSS procedures available. For spoofing, EASA recommends using non-GNSS navaids, closely monitoring air traffic control frequencies, and reporting irregularities.

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EASA Updates Guidance on Navigation System Jamming and Spoofing

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