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A runway of which a part of the runway surface area within the required length and with being used is
covered with surface water more than three millimeters deep
B:A runway of which a part of the runway surface area within the required length and width being used is covered with surface water more than two millimeters deep
C:A runway of which more than 25 percent of the runway surface area within the required length and width being used is covered with surface water more than two millimeters deep
D:A runway of which more than 25 percent of the runway surface area within the required length and width being used is covered with surface water more than three millimeters deep
