Are approved portable oxygen concentrators (POCs) allowed to be used during flight?

Portable oxygen concentrators (POCs) are indeed items that can be used safely during flights, but there are specific regulations and guidelines that govern their use. In the context of the question, the most accurate answer is that POCs may not generally be used during flight unless certain conditions are met.

The reason for the restriction on using POCs during flight primarily revolves around safety and regulatory compliance. Airlines must ensure that all equipment used onboard does not interfere with the aircraft’s operation or pose a risk to other passengers. While many airlines allow POCs to be brought onboard as part of a passenger’s carry-on luggage, their operation during the flight is subject to the airline's specific policies, which often prohibit their use to avert potential interference with cabin pressure systems and the need to maintain a controlled oxygen environment for all passengers.

Understanding the intricacies of airline regulations regarding oxygen use during flights is key for passengers who may rely on these devices. Thus, while POCs can be an essential tool for some travelers, their use is not universally approved during flight, highlighting the importance of checking with the airline before traveling.