While descending to 3000 feet, a barge swan shot past smashed the pilot tube (pilot head), air speed indicator out of order.
While descending to 3000 feet, a barge swan shot past smashed the pilot tube (pilot head), air speed indicator out of order.
在下降到3000英尺的过程中，一只大天鹅很快越过，撞坏了空速管。真空速表失效。