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| Attributes | |
| ACN | 1543130 | 
| Time | |
| Date | 201805 | 
| Place | |
| Locale Reference | ZZZ.Airport | 
| State Reference | US | 
| Environment | |
| Flight Conditions | VMC | 
| Aircraft 1 | |
| Make Model Name | Decathlon 8KCAB | 
| Operating Under FAR Part | Part 91 | 
| Flight Phase | Landing | 
| Person 1 | |
| Function | Instructor Pilot Not Flying  | 
| Qualification | Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine  | 
| Experience | Flight Crew Last 90 Days 10 Flight Crew Total 2200 Flight Crew Type 35  | 
| Events | |
| Anomaly | Ground Event / Encounter Loss Of Aircraft Control Ground Excursion Runway  | 
Narrative:
After an uneventful training flight; we returned to base. The student pilot was flying well; but was a little distracted because of a faster plane having entered the pattern. We had to extend downwind and follow a somewhat non-standard profile on base and final. Flare and touchdown were normal; with little wind; but after landing the plane drifted to the right and the student over-corrected to the left; pointing us off the runway. I attempted to correct; but was unable to fully regain control and we exited runway into grass at about 10-20 knots. We stopped in grass and after shutdown we were pushed to the taxiway and continued to parking position. There was no damage to plane; nor any injuries.lesson learned is to be ready for anything in a tailwheel plane throughout the landing roll; and also to clearly communicate with students to relinquish control if the instructor has to take over; to prevent confusion on who is controlling the aircraft.
Original NASA ASRS Text
Title: BL8 instructor pilot reported the student lost directional control on landing roll and ran off the runway onto the grass.
Narrative: After an uneventful training flight; we returned to base. The student pilot was flying well; but was a little distracted because of a faster plane having entered the pattern. We had to extend downwind and follow a somewhat non-standard profile on base and final. Flare and touchdown were normal; with little wind; but after landing the plane drifted to the right and the student over-corrected to the left; pointing us off the runway. I attempted to correct; but was unable to fully regain control and we exited runway into grass at about 10-20 knots. We stopped in grass and after shutdown we were pushed to the taxiway and continued to parking position. There was no damage to plane; nor any injuries.Lesson learned is to be ready for anything in a tailwheel plane throughout the landing roll; and also to clearly communicate with students to relinquish control if the instructor has to take over; to prevent confusion on who is controlling the aircraft.
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.