A recent incident involving Frontier Airlines has sparked a debate about how airlines handle medical devices on board. A passenger who relies on a portable defibrillator device was barred from her flight, even though the device is approved for aviation use. The case is not only causing outrage but also raising questions about the consistency and transparency of airline regulations. On March 31, Tonya Roehl, a Frontier Airlines passenger, and her husband were barred from a flight from Houston to Phoenix. The reason: their wearable cardiac defibrillator, which they require due to a recently diagnosed heart condition. The device, a wearable cardiac defibrillator (WCD), monitors the wearer's heart activity and can deliver electrical impulses to regulate heart rhythm in an emergency. The manufacturer, Zoll Medical, confirms that the device is approved for aviation use and that patients can wear it safely on the plane. According to reports, Roehl had declared her device both when booking and at the airport during check-in and security screening. Despite this, the crew on board prohibited her from carrying the device, arguing that it was not on the list of approved medical equipment. Inconsistent regulations and uncertainty in handling medical equipment. What is particularly controversial about this case is that Roehl offered to remove the device's batteries to eliminate potential safety concerns. But even this was refused by the crew. The reason given was that the device could not be carried without batteries. The US Federal Aviation Administration (FAA) and