たん距離 きょり離着陸 りちゃくりく であれば
tankyoririchakurikukideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 短距離離着陸機

1. If it is a short-takeoff-and-landing aircraft.; If it were a short-takeoff-and-landing aircraft.

Ba Conditional