Translation of "смотровой" in English

В тот момент, когда мы выходили из смотровой, доктор помахал рукой и сказал "пока".

Just as we were leaving the exam room the doctor waved his hand saying, 'bye-bye'.

Этот аэропорт не так загружен, как Син-Читосэ, и со смотровой площадки мне сперва вообще не было видно самолетов.

This airport doesn't have as many flights as New Chitose Airport and even looking from the observation deck at first there were no planes.