無線 むせん操縦 そうじゅうじゃありませんでした
musensōjūjārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 無線操縦

1. It was not remote controlled.; It wasn't operated remotely.

Past/Perfective
Negative
Polite
Terminal Form