_id YEAR   ANSP_ACE_CODE   ANSP_ACE_NAME   FLIGHT   DURATION_MIN   DURATION_HR   CFMU_DISTANCE_NM   CFMU_DISTANCE_KM   TYPE   PRU_ATC_TYPE   UNIT_PRU_CODE   UNIT_NEW_CODE   UNIT_NAME   colspacer
YEAR ANSP_ACE_CODE ANSP_ACE_NAME FLIGHT DURATION_MIN DURATION_HR CFMU_DISTANCE_NM CFMU_DISTANCE_KM TYPE PRU_ATC_TYPE UNIT_PRU_CODE UNIT_NEW_CODE UNIT_NAME