Other Limitations

Question 1

What needs to happen when one of the pilots leaves the flight deck?

Answer 1

Another crewmember (Flight Attendant or Flight Observer) must be present in the flight deck. This ensures the pilot is not locked out of the flight deck.

Question 2

Max ozone limit above FL 320?

Answer 2

0.25 ppm by volume, sea level equivalent

Note: Dispatch plans flights to avoid areas exceeding/forecast to exceed 0.25 ppm

Question 3

Time-weighted average during any 3 hour interval above FL 270?

Answer 3

0.1 PPM by volume, sea level equivalent

Note: Dispatch plans flights to avoid areas exceeding/forecast to exceed 0.25 ppm