Noun
airplane mode (countable and uncountable, plural airplane modes)
A feature included on some cellular phones or laptops which disables the radio, thus precluding any interference with avionics and allowing the phone's stand-alone features (such as its games or scheduler) to be used safely in environments requiring minimal radio interference.
Synonyms: flight mode, aeroplane mode
Coordinate terms: vibrate mode, silent mode
On Airplane mode, it lasted 15 hours, 24 minutes. Source: Internet