| 摘要 |
The observation port (4) is arranged between a pilot's seat (2) and a co-pilot's seat, in a state extending completely across the primary structure (13) from a cabin floor (9) to an outer portion (17) of the helicopter cabin (0). An opening of the observation port to the interior is covered with an inner screen (15), and the opening of the observation port to the atmosphere is covered with an outer screen (16), and connected in releasable or a non-releasable manner. |
