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Local controller reported that an aircraft departed at the same time as an aircraft was landing on a parallel runway in the opposite direction. Contributing was the landing aircraft making an unanticipated short approach and the departing aircraft not acknowledging their takeoff clearance being cancelled.
| Attributes | |
| ACN | 1313442 |
| Time | |
| Date | 201511 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | HWD.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Small Aircraft High Wing 1 Eng Fixed Gear |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Landing |
| Route In Use | Visual Approach |
| Flight Plan | VFR |
| Aircraft 2 | |
| Make Model Name | Small Aircraft High Wing 1 Eng Fixed Gear |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Climb |
| Flight Plan | VFR |
| Person 1 | |
| Function | Local |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 1 |
| Events | |
| Anomaly | ATC Issue All Types Conflict Airborne Conflict Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance |
Narrative:
Aircraft X was conducting a banner drop operation. I approved the banner drop operation. We had a crosswind of about 060 degrees at 6 knots. As aircraft X dropped the banner and started to climb upwind; aircraft Y requested a right crosswind departure off of runway 28R. I cleared aircraft Y for takeoff. Aircraft X requested to land on runway 10R because of the crosswind. I advised aircraft X as he was downwind to make a 180 degree turn and make right traffic for runway 10R. Aircraft X acknowledged and made a 180 degree turn and an unauthorized short approach at the approach end of runway 10R. Aircraft Y was still on runway 28R; so I instructed aircraft Y to cancel take off clearance; hold position; aircraft Y did not acknowledge and began rolling. Aircraft X was short final and almost touching down as aircraft Y became airborne. Simultaneous opposite direction may have occurred as aircraft Y departed and aircraft X landed. I would recommend clarification on the rule of simultaneous opposite direction separation.
Original NASA ASRS Text
Title: Local Controller reported that an aircraft departed at the same time as an aircraft was landing on a parallel runway in the opposite direction. Contributing was the landing aircraft making an unanticipated short approach and the departing aircraft not acknowledging their takeoff clearance being cancelled.
Narrative: Aircraft X was conducting a banner drop operation. I approved the Banner drop operation. We had a crosswind of about 060 degrees at 6 knots. As Aircraft X dropped the banner and started to climb upwind; Aircraft Y requested a right crosswind departure off of Runway 28R. I cleared Aircraft Y for takeoff. Aircraft X requested to land on Runway 10R because of the crosswind. I advised Aircraft X as he was downwind to make a 180 degree turn and make right traffic for Runway 10R. Aircraft X acknowledged and made a 180 degree turn and an unauthorized short approach at the approach end of Runway 10R. Aircraft Y was still on Runway 28R; so I instructed Aircraft Y to cancel take off clearance; hold position; Aircraft Y did not acknowledge and began rolling. Aircraft X was short final and almost touching down as Aircraft Y became airborne. Simultaneous opposite direction may have occurred as Aircraft Y departed and Aircraft X landed. I would recommend clarification on the rule of Simultaneous Opposite Direction Separation.
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.