Amy Wilder is a private pilot with more than two decades of experience as a writer and editor in a career spanning journalism, marketing, and communications. 
She has worked in aviation journalism since 2023, combining a lifelong passion for flight and a love of the aviation community with a penchant for storytelling. As a licensed pilot, she brings firsthand insight to the stories she covers, lending an authentic, on-the-ground perspective to industry coverage.
She holds a Master of Arts in Eastern Classics and a Master of Arts in Liberal Arts, both from St. John&#039;s College in Santa Fe, New Mexico, along with a Bachelor of Fine Arts in Visual Culture.

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Amy Wilder

Collins Aerospace is a prominent aerospace and defense company specializing in the development and manufacture of advanced technology solutions. They offer a wide range of products and services, including avionics, aircraft interiors, mission systems, and space systems. 

The FAA is recommending that operators upgrade certain Collins Aerospace GNSS receivers that are not meeting minimum operational performance standards for processing an integrity message from Europe’s satellite-based augmentation system (SBAS), the agency noted in a <a href="https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100335831520260710141812.0001?modalOpened=true">Special Airworthiness Information Bulletin (SAIB)</a>. Currently, the condition does not warrant an airworthiness directive, the FAA said. EASA issued a mandatory directive last year, <a href="https://ad.easa.europa.eu/ad/2025-0088">AD 2025-0088</a>, requiring replacement of affected receivers for aircraft registered in member states.
According to the FAA, the issue stems from a November 2023 ground system update to the European Geostationary Navigation Overlay Service (EGNOS), which exposed noncompliance in affected Collins GPS-4000S, GLU-2100, GLUS-2100, and GLUS-2100A receivers. This noncompliance results in incorrect processing of the Message Type 6 integrity alert, which the FAA said may affect the availability of Localizer Performance with Vertical guidance and other SBAS-based approach types. The issue is most prevalent within EGNOS coverage but may affect other SBAS regions.
The FAA recommends that operators with affected hardware and software configurations upgrade to serviceable receivers per Collins Aerospace service documentation.
Collins GPS-4000S and GLU-2100 receivers were previously the subject of a separate, unrelated service disruption in 2019 that affected GPS navigation and ADS-B transponder functionality in the U.S., prompting the FAA to issue temporary operational exemptions. That earlier issue was resolved through a GPS constellation update.

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