No fatalities

Tailwheel Aircraft Ground Loop on Grass Runway Results in Substantial Damage

New Milford, CT, United States

On August 30, 2015, a CESSNA 170A operated by Mountain Aviation LLC was involved in an aviation accident near New Milford, CT. No fatalities were reported. Investigators recorded the probable cause as: The pilot's loss of directional control during the landing roll which resulted in a runway excursion and impact with terrain. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

During a wheel landing on a grass runway, the pilot of a tailwheel airplane experienced a ground loop when the tailwheel contacted the ground, causing the aircraft to exit the runway and sustain substantial damage to the right wing and tail surfaces.

Incident Overview

A pilot operating a tailwheel-equipped airplane reported that he performed a wheel landing on a grass runway. During the landing roll, he allowed the tailwheel to settle onto the ground. Upon touchdown of the tailwheel, the tail of the aircraft moved to the right, causing the nose to veer to the left. The airplane subsequently exited the left side of the runway.

Sequence of Events

As the aircraft came to a stop, it rolled to the right, and the right wing and right horizontal stabilizer impacted the ground. The accident resulted in substantial damage to the right wing, aileron, right horizontal stabilizer, elevator, and fuselage.

Mechanical Status

The pilot reported no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.

Contributing factors

PilotDirectional control — Not attained/maintained

Frequently asked questions

What happened in the 30 Aug 2015 CESSNA 170A accident near New Milford, CT?

During a wheel landing on a grass runway, the pilot of a tailwheel airplane experienced a ground loop when the tailwheel contacted the ground, causing the aircraft to exit the runway and sustain substantial damage to the right wing and tail surfaces.

Were there any fatalities in the 30 Aug 2015 CESSNA 170A accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 30 Aug 2015 involved a CESSNA 170A, operated by Mountain Aviation LLC, at New Milford, CT.

What was the probable cause of the accident?

The pilot's loss of directional control during the landing roll which resulted in a runway excursion and impact with terrain.