NY (and Philly) region ILS failures related to a primary system failing and then, when it failed over to a backup, they discovered that the backup's fiber link had previously been severed.
A old friend of mine was responsible for a critical public safety system with redundant links. He always monitored the backup links more closely, since if the primary fails, you discover that as soon as things stop working. But a backup link fails silently unless you watch it.
https://www.nytimes.com/2026/09/21/us/east-coast-flights-ground-stop-communication-failure.html?unlocked_article_code=1.C1E.7BT8.pRQcSur5LT6X
Matt Blaze
npub1js…y93xu
2026-09-21 20:42:30 UTC
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npub1jslger4ddlhwe50rluftrw4k9rjvvz4e9lutj29g45acyl78uwxsty93xuPublished at
2026-09-21 20:42:30 UTCEvent JSON
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