The robot is just the vessel. The real problem is the battery.
As humanoid robots begin purchasing airline seats alongside their human companions, the aviation industry finds itself navigating a question that would have seemed absurd a decade ago: what does it mean to travel safely with a machine that walks, moves, and carries a lithium battery? Air New Zealand has chosen not to follow the path of outright prohibition, instead applying the same case-by-case scrutiny it gives to any unconventional cabin item — a posture that reflects both the novelty of the moment and the enduring primacy of safety in the skies. The real tension, as it so often is, lies not in the robot itself but in the invisible energy source powering it.
- A humanoid robot named Stewie boarded a commercial flight in its own purchased seat, forcing airlines worldwide to confront policies they had never imagined needing.
- Southwest Airlines responded with a categorical ban on animal-like robots, while Air New Zealand refused to be rushed into blanket prohibition — exposing a widening split in how carriers are choosing to respond.
- Beneath the novelty lies a genuine hazard: lithium batteries are confiscated by the hundreds at airports daily, and the risk of in-flight combustion makes every new battery-powered device a live safety question.
- Aviation authorities are clear that no airline policy overrides civil aviation regulations, and passengers are being reminded that the burden of compliance — and common sense — falls on them too.
- With humanoid robot installations projected to grow sixfold globally by 2027, airlines that have not yet written a robot policy may soon find the question arriving at the gate before the policy does.
Air New Zealand has no plans to follow Southwest Airlines in banning humanoid robots from its cabins. The question became unavoidable after a robot named Stewie boarded a Las Vegas-to-Dallas flight on May 7, occupying a seat its owner had purchased — the kind typically reserved for fragile items like musical instruments. Southwest drew a firm line, prohibiting machines designed to resemble or imitate animals. Air New Zealand is drawing a different kind of line entirely.
Nathan McGraw, the airline's chief safety and risk officer, explained that any non-standard cabin item is assessed individually against safety and operational requirements, with particular attention to batteries and electronics. The airline already accommodates oversized instruments in purchased seats, provided they meet its standards — and robots, in principle, would be treated no differently.
The deeper issue is not the robot but what powers it. Stewie had been fitted with a reduced battery specifically to clear security. At Auckland Airport, nearly 500 batteries were confiscated in a single day last year. New Zealand regulations require lithium batteries, power banks, vapes, and certain medical devices to travel in carry-on luggage only — never checked — and they must remain stowed and unpowered during flight.
Cath O'Brien of the Board of Airline Representatives stressed that every airline must comply with the civil aviation rules of the countries it operates in, and urged passengers to think carefully about what they genuinely need to bring aboard. The reminder was pointed: some devices are medically essential; a hair straightener is not.
The stakes will only grow. Counterpoint Research projects global humanoid robot installations will rise from 16,000 to 100,000 by next year, with China accounting for more than four in five units. The technology is advancing quickly, if not always gracefully — a robot attempting Michael Jackson's Billie Jean at a Chinese event last week collapsed mid-routine and had to be removed from the stage. Air New Zealand's measured, case-by-case stance may signal where the broader industry is heading: not a ban, but an insistence that whatever boards the plane meets the same rigorous standards as everything else that flies.
Air New Zealand is not planning to follow Southwest Airlines into an outright prohibition on humanoid robots traveling as cabin companions. The question arose after a humanoid robot named Stewie boarded a flight from Las Vegas to Dallas on May 7, when its owner purchased a separate seat for the machine—a ticket type typically reserved for fragile cargo like wedding dresses or musical instruments. Southwest responded by banning animal-like robots altogether, defining them as machines designed to resemble or imitate animals in appearance, movement, or behavior. Other robots, including toys, must fit within carry-on dimensions and comply with battery rules.
Air New Zealand's approach is more granular. Nathan McGraw, the airline's chief safety and risk officer, explained that any non-standard item brought into the cabin undergoes individual assessment to ensure it meets safety and operational requirements, particularly around batteries and electronic devices. The airline already allows passengers to purchase extra seats for certain items—large musical instruments, for instance—provided those items satisfy the carrier's safety standards. This case-by-case method gives Air New Zealand flexibility while maintaining a clear safety framework.
The real concern driving these conversations is not robots themselves but the batteries that power them. Stewie, for example, was fitted with a smaller battery specifically to pass through security screening. At Auckland Airport alone, security staff confiscated nearly 500 batteries in a single day last year. In New Zealand, lithium batteries, power banks, vapes, AirPods, and certain medical devices must travel in carry-on luggage, never in checked baggage. They cannot be plugged in or used during flight; they must remain in the seat pocket in front of the passenger.
Cath O'Brien, executive director of the Board of Airline Representatives, emphasized that these restrictions exist because of mounting concerns about combustion. "The pilot in command and indeed the airline have to make the rules for the airline itself," she said, "but every airline has to be compliant with the civil aviation authority rules in the country they're operating in or between." She urged travelers to follow their airline's guidance and to think carefully about what they truly need to bring aboard. "There are some disability or health devices that are very important," she noted, "but do you really need your hair straightener?"
The broader context makes these safety protocols increasingly urgent. Counterpoint Research projects that the number of installed humanoid robots worldwide will surge from 16,000 units last year to 100,000 by next year. China accounts for more than four out of five humanoid robot installations globally. The technology is advancing rapidly—though not without stumbles. Last week, a dancing robot attempting to perform Michael Jackson's Billie Jean at an event in China tumbled mid-routine and had to be dragged offstage. As these machines become more common, airlines will face growing pressure to clarify their policies. Air New Zealand's willingness to assess robots individually, rather than ban them outright, suggests the industry may be moving toward a pragmatic middle ground: not prohibiting the technology, but insisting that it meet the same rigorous safety standards as everything else that flies.
Notable Quotes
Any non-standard items brought into the cabin are assessed on a case-by-case basis to ensure they meet all safety and operational requirements, including rules around batteries and electronic devices.— Nathan McGraw, Air New Zealand chief safety and risk officer
The pilot in command and the airline have to make the rules for the airline itself, but every airline has to be compliant with the civil aviation authority rules in the country they're operating in or between.— Cath O'Brien, Board of Airline Representatives executive director
The Hearth Conversation Another angle on the story
Why did Air New Zealand decide not to ban these robots outright, the way Southwest did?
Because a blanket ban assumes the problem is the robot itself. Air New Zealand's view is that the problem is whether the thing—whatever it is—meets safety requirements. A robot is just another object with a battery.
But doesn't that seem risky? You're allowing something unprecedented into the cabin.
Not really. Airlines already let people bring musical instruments, medical devices, all sorts of things that don't fit standard luggage. The difference is they check each one. A robot gets the same treatment.
The battery issue keeps coming up. Why are lithium batteries such a big deal on planes?
They can combust. In the pressurized cabin of an aircraft, a battery fire is catastrophic and nearly impossible to extinguish. That's why they have to stay in your carry-on, unplugged, unused. It's not paranoia—it's physics.
So the real story isn't about robots at all. It's about batteries.
Exactly. The robot is just the vessel. Auckland Airport confiscates 500 batteries a day. That's the actual problem airlines are managing.
What happens when humanoid robots become as common as phones?
That's the question nobody has answered yet. Right now there are 16,000 of them worldwide. In a year or two, there could be 100,000. At some point, case-by-case assessment becomes impractical. Airlines will have to decide whether they're comfortable with that volume.
Do you think Southwest's ban will stick?
Probably not everywhere. It's a reaction to one viral moment. But it signals that airlines are nervous about the precedent. Air New Zealand's approach—strict but flexible—might be the model that wins out.