NTSB Identification: CEN13FA060
14 CFR Part 91: General Aviation
Accident occurred Sunday, November 18, 2012 in Burlington, WI
Probable Cause Approval Date: 11/06/2013
Aircraft: GRUMMAN AMERICAN AVN. CORP. AA-1B, registration: N6273L
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

A witness observed the airplane maneuvering near the airport in a left turn and steep descent. Moments later, the witness observed the airplane in a tight, right turn that developed into a spin. The airplane impacted the terrain in an extremely nose-low attitude about 1/4 mile from the runway’s threshold. An examination of the airplane’s wreckage revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation. The circumstances of the accident are consistent with an inadvertent stall and spin. It could not be determined if the pilot was maneuvering the airplane due to a perceived traffic conflict or for some other purpose. The pilot had not flown routinely in the preceding 2 years, and his most recent flight occurred more than 5 months before the accident flight.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The pilot’s failure to maintain control of the airplane while maneuvering at a low altitude, which resulted in an inadvertent stall and spin.

Full narrative available

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