Part I
Unpressurised aircraft
(1) When flying at or below flight level 100—
Nil.
(2) When flying above flight level 100 but not exceeding flight level 120—
| Supply for | Duration |
|---|---|
(a)Members of the flight crew | Any period during which the aircraft flies above flight level 100 |
(b)Members of the cabin crew and 10% of passengers | For any continuous period exceeding 30 minutes during which the aircraft flies above flight level 100 but not exceeding flight level 120, the duration shall be the period by which 30 minutes is exceeded |
(3) When flying above flight level 120—
| Supply for | Duration |
|---|---|
(a)Members of the flight crew | Any period during which the aircraft flies above flight level 120 |
(b)Members of the cabin crew and all passengers | Any period during which the aircraft flies above flight level 120 |