GREAT LAKES 2T-1A-2
Chandler, AZ — May 31, 2010
Event Information
| Date | May 31, 2010 |
| Event Type | ACC |
| NTSB Number | WPR10CA282 |
| Event ID | 20100609X55252 |
| Location | Chandler, AZ |
| Country | USA |
| Coordinates | 33.26889, -111.81111 |
| Airport | Chandler Municipal Airport |
| Highest Injury | NONE |
Aircraft
| Make | GREAT LAKES |
| Model | 2T-1A-2 |
| Category | AIR |
| FAR Part | 091 |
| Aircraft Damage | SUBS |
Conditions
| Light Condition | DAYL |
| Weather | VMC |
Injuries
| Fatal | 0 |
| Serious | 0 |
| Minor | 0 |
| None | 2 |
| Total Injured | 0 |
Event Location
Probable Cause
The pilot’s failure to maintain directional control and the flight instructor's inadequate remedial action during the landing roll, which resulted in a ground loop.
Full Narrative
In a written statement, the certificated flight instructor (CFI) reported that the purpose of the flight was for him to conduct an aerobatic lesson with the airline transport pilot (ATP) in a tail wheel-equipped airplane. After performing air work, the pilots returned back to the airport and the ATP decided to try touch-and-go practice takeoffs and landings. The first three landings were uneventful and he had planned for the fourth to be a full stop with the airplane configured for a three-point landing. Following a normal approach and touchdown, the airplane was on the landing roll when it suddenly turned to the left 30 degrees relative to the runway centerline. Both pilots applied full right rudder, but the airplane continued the left turn. The CFI attempted to apply light right brake pressure but the airplane exited the left side of the runway and ground looped. The airplane came to a rest facing approximately 270 degrees from the runway centerline; during the accident sequence, damage was incurred to the right wing tip and left aileron.
The pilots both reported that there were no pre impact mechanical failures or malfunctions with the airframe or engine.
About This NTSB Record
This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.