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Geg tower controller reported of a near loss of separation due to the a departure not turning as instructed.
| Attributes | |
| ACN | 1408393 |
| Time | |
| Date | 201612 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | GEG.Airport |
| State Reference | WA |
| Aircraft 1 | |
| Make Model Name | Small Transport |
| Flight Phase | Initial Climb |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Climb |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Local |
| Qualification | Air Traffic Control Developmental |
| Events | |
| Anomaly | ATC Issue All Types Conflict Airborne Conflict Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance Deviation - Track / Heading All Types |
Narrative:
I was training on local control. Aircraft Y was lined up at RY3 full length; and aircraft X was cleared for takeoff from RY3 at charlie intersection. Aircraft X was issued a left turn heading 250; and shipped to departure. Aircraft Y was cleared for takeoff on the departure procedure. Aircraft X did not make a left turn; so we got a turn for aircraft Y to avoid losing separation. Upon audio review it was determined there was no read back of the heading 250. Fortunately the timely action of getting a turn for aircraft Y avoided a loss.I will be more diligent about ensuring readbacks for critical instructions while training.
Original NASA ASRS Text
Title: GEG Tower Controller reported of a near loss of separation due to the a departure not turning as instructed.
Narrative: I was training on Local Control. Aircraft Y was lined up at RY3 full length; and Aircraft X was cleared for takeoff from RY3 at Charlie intersection. Aircraft X was issued a left turn heading 250; and shipped to departure. Aircraft Y was cleared for takeoff on the departure procedure. Aircraft X did not make a left turn; so we got a turn for Aircraft Y to avoid losing separation. Upon audio review it was determined there was no read back of the heading 250. Fortunately the timely action of getting a turn for Aircraft Y avoided a LOSS.I will be more diligent about ensuring readbacks for critical instructions while training.
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.