Described are portable electronics device coupling assemblies including a cradle configured to electronically couple and releasably engage a portable electronics device, and an adaptor configured to electronically couple and releasably engage the cradle to a passenger seat. Other examples may include a passenger seat having an electronics port configured to electronically couple to the portable electronics device, and a receptacle coupled to the electronics port and configured to releasably engage the portable electronics device. As examples, the portable electronics device may be a tablet computer, a cell phone, a smart phone, a handheld video game system, a personal digital assistant, a palmtop computer, a DVD player, data or audio-video media, or a multi-media enabled device.