。
The plane shook because of turbulence.
Literal
Turbulence [because-of-のために] airplane [subject-が] shook.
乱気流 ('turbulence,' literally 'chaotic-air-flow') is an aviation term — a transparent three-kanji compound. 揺れる ('to shake / sway') is intransitive; its transitive partner 揺らす ('to shake something') would require an agent.