noun which may take the genitive case particle 'no', noun
inside the plane; in-flight
Refers to the interior of an aircraft or things happening during a flight. Often used with の to modify nouns (e.g., 機内食, 機内モード).
機内では電子機器の使用をお控えください。
Please refrain from using electronic devices inside the aircraft.
I watched a movie during the flight.
This ticket includes an in-flight meal.
この飛行機の機内は禁煙です。
Smoking is not allowed on this flight.
The flight was full, so the cabin was very crowded.
機内 refers to the inside of an airplane, whereas 車内 refers to the inside of a train, bus, or car, so the two are not interchangeable.
船内 is used for the inside of a ship, whereas 機内 is used for the inside of an aircraft.
in-flight magazine
in-flight meal; airline meal
airplane mode; flight mode
in-flight service; onboard service
carry-on luggage; carry-on bag
intercom; intercommunication system
in-flight entertainment
Compound of 機 (aircraft) and 内 (inside).