当機は

this aircraft

→ 当機
phrase Rare #41,037
this aircraft A formal expression commonly used in announcements by an aircraft's crew to refer to their aircraft.
JA: 当機はまもなく着陸いたします。
EN: This aircraft will be landing shortly.

当機はまもなく東京国際空港に到着いたします。

This flight will be arriving at Tokyo International Airport shortly.

当機は間もなく離陸いたします。

This aircraft will be taking off shortly.

当機は安全に着陸しました。

The aircraft has landed safely.