24
votes
How a single flight plan with unexpected waypoint data caused a meltdown of the UK's air traffic control system
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- Title
- UK air traffic control meltdown
- Word count
- 5612 words
This part was interesting to me:
Ultimately, this seems like a namespace collision issue. The fact that we can't solve this by simply appending numerals to duplicate
ADEXP
waypoint names is baffling to me. If the namespace is global, regardless if most human pilots don't encounter waypoints beyond their local airspace, then there should be a globally unique set of waypoint identifiers. Besides the waypoint naming standard being inadequate, it also amazes me that safety critical software is so low quality such that an exception being thrown would bring the whole thing down. That implies that the system isn't being analyzed for basic code quality issues.