No fatalities
26 Jul 2025: AEROTEK PITTS S-2A — New Holstein, WI
On 26 Jul 2025, an AEROTEK PITTS S-2A was involved in an aviation accident near New Holstein, WI. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s loss of direction control during landing due to an unapproved tailwheel assembly and tail spring that resulted in a tailwheel shimmy and a subsequent ground loop. This summary draws on records from NTSB; 10 related events involving the same aircraft type or operator are linked below.
Probable cause
The pilot’s loss of direction control during landing due to an unapproved tailwheel assembly and tail spring that resulted in a tailwheel shimmy and a subsequent ground loop.
— NTSB Determination
Contributing factors
MalfunctionAttain/maintain not possibleIncorrect service/maintenance