Use iPhone Earphones with 3-Conductor Stereo Devices
South Africa 2008 - Make Your Own Dual 1/8" Airplane Headphone Adapter - Scott Hanselman's Blog
Plug your iPhone Earphone into a Standard 3-Conductor Jack
AMZER Dual 3.5mm Male to 3.5mm Female AUX Audio Jack Adapter Converter for Using Headphone on Airplane Airline Flight - Walmart.com
Bose® QuietComfort® headphones airline adapter
How to Use Your Own Headphones for In-Flight Entertainment - Make Tech Easier
PC Flight Simulator Headset Adapter - Fixed Wing to 3.5mm - MyPilotStore.com
Technology review: RHA wireless flight adaptor – Business Traveller
Amazon.com: Warmstor 4-Pack Airline Airplane Flight Headphones Adapter, Gold Plated Dual 3.5mm to 3.5mm Jack Headset Connector : Electronics
How to adapt airplaine headphones for use with a standard stereo jack - Quora
Anyone know what the third hole in airline headphone jacks are for? It's smaller than the other two in use. : r/whatisthisthing
Dual 3.5mm Male to 3.5mm Female Airplane Headphone Adapter Gold Plated (2 Pack)
Airline Airplane Flight Adapter for Headphone Earphone Earbud Silver Plated Jack Dual 3.5mm Male to 3.5mm Female - China Adapter and Airplane Adapter price | Made-in-China.com