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Arrival tower supervisor and a flight instructor reported that the student pilot took off after having only been cleared to line up and wait.
| Attributes | |
| ACN | 1481256 |
| Time | |
| Date | 201709 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ARR.Tower |
| State Reference | IL |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Light Sport Aircraft |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Takeoff |
| Route In Use | None |
| Flight Plan | VFR |
| Aircraft 2 | |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Climb Takeoff |
| Route In Use | None |
| Flight Plan | VFR |
| Person 1 | |
| Function | Ground Supervisor / CIC |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 2 |
| Person 2 | |
| Function | Instructor Pilot Not Flying |
| Qualification | Flight Crew Commercial Flight Crew Flight Instructor Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 64 Flight Crew Total 2224 Flight Crew Type 210 |
| Events | |
| Anomaly | Conflict Airborne Conflict Conflict Ground Conflict Critical Deviation - Procedural Clearance Ground Incursion Runway |
Narrative:
I had just taken position as ground controller and controller in charge. All runways were active and in use. Local control aircraft Y in luaw (line up and wait) on one runway; and also put aircraft X in luaw on an intersecting runway. Local control then cleared aircraft Y for takeoff. Two pilots transmitted at the same time. It was hard to understand. Local control was also concerned with another operation and an aircraft 10 miles south requesting an opposite direction approach. Aircraft X took off without a clearance. Aircraft Y was airborne and through the intersection when aircraft X was airborne and about 800 ft from the intersection both approximately the same altitude and climbing. Both local control and I were looking at the other runway areas when aircraft X started take off roll without a clearance from luaw. I alerted local control to aircraft X taking off.this airport is a small VFR tower with a lot of training pilots. On occasions too numerous to count; pilots have not known or understood luaw. My recommendation is to have a pilots meeting to discuss this practice and how to use it safely and properly. At this meeting; we could also talk to pilots about expectation bias and the importance of making sure you receive a clearance prior to taking action.
Original NASA ASRS Text
Title: ARR Tower Supervisor and a flight instructor reported that the student pilot took off after having only been cleared to line up and wait.
Narrative: I had just taken position as Ground Controller and Controller in Charge. All runways were active and in use. Local Control Aircraft Y in LUAW (Line Up and Wait) on one runway; and also put Aircraft X in LUAW on an intersecting runway. Local Control then cleared Aircraft Y for takeoff. Two pilots transmitted at the same time. It was hard to understand. Local Control was also concerned with another operation and an aircraft 10 miles south requesting an Opposite Direction approach. Aircraft X took off without a clearance. Aircraft Y was airborne and through the intersection when Aircraft X was airborne and about 800 ft from the intersection both approximately the same altitude and climbing. Both Local Control and I were looking at the other runway areas when Aircraft X started take off roll without a clearance from LUAW. I alerted Local Control to Aircraft X taking off.This airport is a small VFR tower with a lot of training pilots. On occasions too numerous to count; pilots have not known or understood LUAW. My recommendation is to have a pilots meeting to discuss this practice and how to use it safely and properly. At this meeting; we could also talk to pilots about expectation bias and the importance of making sure you receive a clearance prior to taking action.
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.