The F-35 Lightning II’s Biggest Problem
YouTube / Not What You Think
The F-35 Lightning II is a technological marvel, but it faces a surprising limitation: it’s grounded during thunderstorms. Since 2020, F-35A pilots have been ordered to avoid flying within 25 miles of thunderstorms or atmospheric electrical activity due to safety concerns.
The OBIGGS System
At the heart of the issue is the OnBoard Inert Gas Generation System (OBIGGS), which pumps nitrogen-enriched air into the fuel tanks to reduce explosion risks. Over time, the system’s tubings and fittings can degrade due to vibrations and extreme temperature and pressure changes during flight.
A Recurring Challenge
This isn’t a new problem. A similar restriction was imposed in the early 2010s but was lifted in 2014 after a redesign of the OBIGGS. Unfortunately, the issue has resurfaced.
Variant-Specific Issue
Interestingly, this limitation affects only the F-35A variant. Other versions, like those used by the Navy and Marine Corps, feature a slightly different OBIGGS design and remain unaffected.
While the F-35A is a groundbreaking aircraft, even cutting-edge technology has its vulnerabilities.
