Latam Airlines SYD to AKL flight: 50 people treated after mid-air incident

Likely Cause and Technical Aspects

• Early reports are conflicting: some commenters assumed severe turbulence/“air pocket”; others note the article and passenger quotes indicating a “technical problem” and loss of instrumentation.
• Aviation enthusiasts point to reports (e.g., avherald) that the captain said instruments briefly failed, then returned, followed by rapid vertical movement.
• Some speculate about failures in systems like ADIRU or avionics software bugs (e.g., known 787 reboot-related issues), but this is explicitly framed as speculation pending an official report.
• Debate on whether large jets can themselves generate such vertical accelerations: some argue only turbulence can, others note pilots can induce negative/positive G via aggressive pitch changes, within structural limits.

Seatbelts, Passenger Behavior, and UX

• Strong consensus that passengers should keep seatbelts fastened whenever seated, regardless of the sign.
• Multiple anecdotes of injuries from turbulence when people were unbelted.
• Several argue the “fasten seatbelt” sign is poor UX; off-state is interpreted as “safe to unbuckle,” whereas airlines often verbally say “keep it fastened while seated.”
• Cultural differences are discussed (car and bus seatbelt usage in South America, Europe, US, New Hampshire) and how they may influence behavior on planes.

Cabin Safety Ideas and Edge Cases

• Concerns about being in the lavatory during sudden vertical drops; some think the confined space may limit injury, others focus on hygiene risks.
• Suggestions like zipline-style harnesses in the aisle or seatbelts in toilets meet pushback over practicality, tripping/strangulation risk, and limited benefit.
• Serving hot coffee is questioned given turbulence risk.

Aircraft Type and Boeing Debate

• Plane identified as a Boeing 787-9 Dreamliner.
• Some defend the 787’s safety record (no hull-loss accidents, “one of the best airliners”), while others highlight its manufacturing and software issues as evidence Boeing quality has degraded.
• Broader criticism that many recent high-profile equipment incidents involve Boeing, with quips about Boeing being “too big to be grounded.”

Physics, Turbulence, and Related Asides

• Discussion of “air pockets,” clear-air turbulence, and free-fall vs “zero gravity,” including analogies to parabolic flights.
• References to past incidents (an Air Canada pilot mistaking Venus for an aircraft, violent maneuvers to foil hijackings) and a light-hearted detour into flat-Earth conspiracies about this specific route.