Generally not.
Most aircraft use a two-plug, dual-mono socket to prevent passengers from keeping the provided headphones.
You can buy an adaptor easily from many on-line electrical outlets.
As long as the headphones have a 3.5MM jack, the audio will work on almost all devices. The remote on Apple headphones usually don't work with other MP3s.
There are a few popular headphone options for Nokia. However it depends on the Nokia device you have, as some headphones are only compatible with some devices.
Headphones are output devices.
Speakers and Headphones are output devices. A microphone, sometimes integrated with speakers, is an input device.
iTunes files are standard MP3s or AAC format and so any equipment compatible with these formats will work.
There is an output jack labeled SPDIF (optical audio output). You can do one of two things: (1) purchase digital headphones with receiver/charging base that will be directly compatible, or (2) purchase a digital-to-analog converter that will convert the optical audio signal to an analog RCA jack, into which you then plug any standard headphones set. A third possiblity is if you are using a Roku box or other streaming device; the Roku devices all come with an RCA jack that will work with almost all headphones.
Headphones
Do you mean do usb devices work on an airplane? If so then yes.
No
FM compatible hearing aid devices means that that the Frequency Modulation is okay.
No it isn't. ---- Technically speaking that is correct headphones are not electronic devices. They are a form of tranducer and therefore an electro-mechanical device.
Interfacing devices are devices that are compatible mechanically, electronically, and programmatically so that the device can be used in a computer.