"inadequate language" was a cause. The KLM pilot used the phrase "we are now at take-off” when he meant to state that he was now taking off, and thereby proceeded to crash into another airplane on the runway and kill 583 persons on both planes.<ref>Report of the Secretary of Civil Aviation, Spain (Oct. | "inadequate language" was a cause. The KLM pilot used the phrase "we are now at take-off” when he meant to state that he was now taking off, and thereby proceeded to crash into another airplane on the runway and kill 583 persons on both planes.<ref>Report of the Secretary of Civil Aviation, Spain (Oct. |