A minimum interval of 30 seconds is also required for the release of the (engine) fire extinguishing bottle on the ground to ensure that the release of the second bottle does not interfere with the effectiveness of the first bottle during release.
A minimum interval of 30 seconds is also required for the release of the (engine) fire extinguishing bottle on the ground to ensure that the release of the second bottle does not interfere with the effectiveness of the first bottle during release.
