YOU SAID:

it was the cabin of an airplane

INTO JAPANESE

飛行機のキャビンをだった。

BACK INTO ENGLISH

Airplane cabin was.

INTO JAPANESE

飛行機のキャビンだった。

BACK INTO ENGLISH

It was a plane cabin.

INTO JAPANESE

飛行機の機内だった。

BACK INTO ENGLISH

It was on board the plane.

INTO JAPANESE

航空機だった。

BACK INTO ENGLISH

This was the aircraft.

INTO JAPANESE

これは航空機だった。

BACK INTO ENGLISH

This was the aircraft.