Narrative:

Aircraft X had requested an opposite direction departure during pushback. When they called for taxi the opposite direction was denied and full route taxi instructions were issued to the active; runway 10R. The taxi route crossed a closed runway and the active runway prior to getting to the active runway at departure end. Correct taxi instructions were given. The pilot read back; 'taxi via ... Cross runway 10L to runway 10R'. I believed I heard 'cross runway 10L; hold short 10R'.as aircraft X was crossing runway 10L the local controller was clearing aircraft Y for takeoff on runway 10R. As aircraft Y was starting takeoff roll I observed aircraft X cross the hold short line for runway 10R and instructed them to hold short of runway 10R. I alerted local to aircraft X incursion and returned my attention to aircraft X. The pilots of aircraft X began breaking and turned to the west about 60 degrees to avoid crossing the runway edge line of runway 10R.aircraft Y was airborne and passed approximately 50 ft horizontally and vertically from aircraft X.I then coordinated and crossed aircraft X and issued the brasher statement.although it is proper (and 7110.65 recommended) phraseology; and the far's specifically prohibit a pilot from crossing any portion of the assigned runway without a crossing clearance; in the future I will not issue full taxi instructions to aircraft required to hold short of the active runway somewhere along their route. I will only issue instructions up the hold short point.

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Original NASA ASRS Text

Title: BOI Ground Controller reports of a near collision that happened with a passenger aircraft that had a runway incursion and an aircraft that was departing the airport.

Narrative: Aircraft X had requested an opposite direction departure during pushback. When they called for taxi the opposite direction was denied and full route taxi instructions were issued to the active; Runway 10R. The taxi route crossed a closed runway and the active runway prior to getting to the active runway at departure end. Correct taxi instructions were given. The pilot read back; 'Taxi via ... cross Runway 10L to Runway 10R'. I believed I heard 'cross Runway 10L; hold short 10R'.As Aircraft X was crossing Runway 10L the Local Controller was clearing Aircraft Y for takeoff on Runway 10R. As Aircraft Y was starting takeoff roll I observed Aircraft X cross the hold short line for Runway 10R and instructed them to hold short of Runway 10R. I alerted local to Aircraft X incursion and returned my attention to Aircraft X. The pilots of Aircraft X began breaking and turned to the west about 60 degrees to avoid crossing the runway edge line of Runway 10R.Aircraft Y was airborne and passed approximately 50 FT horizontally and vertically from Aircraft X.I then coordinated and crossed Aircraft X and issued the Brasher statement.Although it is proper (and 7110.65 recommended) phraseology; and the FAR's specifically prohibit a pilot from crossing any portion of the assigned runway without a crossing clearance; in the future I will not issue full taxi instructions to aircraft required to hold short of the active runway somewhere along their route. I will only issue instructions up the hold short point.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.