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The stp tower cleared a piper tripacer into position behind a departing hercules C130 at stp. The tripacer damaged the left wingtip after encountering the turbulence from the departing C130.
| Attributes | |
| ACN | 447595 |
| Time | |
| Date | 199908 |
| Day | Tue |
| Place | |
| Locale Reference | airport : stp.airport |
| State Reference | MN |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Piper Single Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | ground : position and hold |
| Aircraft 2 | |
| Controlling Facilities | tower : stp.tower |
| Operator | other |
| Make Model Name | Hercules (C-130) |
| Operating Under FAR Part | Part 91 |
| Flight Phase | ground : takeoff roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : radar |
| ASRS Report | 447595 |
| Person 2 | |
| Affiliation | other |
| Function | flight crew : single pilot oversight : pic |
| Qualification | pilot : private |
| Events | |
| Anomaly | ground encounters other other anomaly |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance Environmental Factor |
| Primary Problem | Flight Crew Human Performance |
Narrative:
C130 cleared for takeoff runway 14 intersection north. Tripacer called taxiing into position runway 14 intersection a. The tripacer was already over the hold short line. He was then taxied into position to hold and given a wake turbulence warning. When the C130 pwred up, it tipped the tripacer over onto its left wingtip. The tripacer was aware of the possibility of wake turbulence or propeller wash. I learned that some distance between intxns may not be enough to avoid turbulence.
Original NASA ASRS Text
Title: THE STP TWR CLRED A PIPER TRIPACER INTO POS BEHIND A DEPARTING HERCULES C130 AT STP. THE TRIPACER DAMAGED THE L WINGTIP AFTER ENCOUNTERING THE TURB FROM THE DEPARTING C130.
Narrative: C130 CLRED FOR TKOF RWY 14 INTXN N. TRIPACER CALLED TAXIING INTO POS RWY 14 INTXN A. THE TRIPACER WAS ALREADY OVER THE HOLD SHORT LINE. HE WAS THEN TAXIED INTO POS TO HOLD AND GIVEN A WAKE TURB WARNING. WHEN THE C130 PWRED UP, IT TIPPED THE TRIPACER OVER ONTO ITS L WINGTIP. THE TRIPACER WAS AWARE OF THE POSSIBILITY OF WAKE TURB OR PROP WASH. I LEARNED THAT SOME DISTANCE BTWN INTXNS MAY NOT BE ENOUGH TO AVOID TURB.
Data retrieved from NASA's ASRS site as of July 2007 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.