No fatalities

Great Lakes 2T 1A accident at St. Mary's, PA, 8 Jun 2020

St. Mary's, PA, United States

On June 8, 2020, a Great Lakes 2T 1A Undesignat was involved in an aviation accident near St. Mary's, PA. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to maintain proper glide path during final approach which resulted in a collision with airport equipment short of the runway. 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

Probable cause

The pilot's failure to maintain proper glide path during final approach which resulted in a collision with airport equipment short of the runway.

— NTSB Determination

Contributing factors

Causes

PilotDescent/approach/glide path — Not attained/maintained

Other contributing factors

Awareness of condition

Frequently asked questions

What happened in the 8 Jun 2020 Great Lakes 2T 1A Undesignat accident near St. Mary's, PA?

The pilot's failure to maintain proper glide path during final approach which resulted in a collision with airport equipment short of the runway.

Were there any fatalities in the 8 Jun 2020 Great Lakes 2T 1A Undesignat accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 8 Jun 2020 involved a Great Lakes 2T 1A Undesignat, at St. Mary's, PA.

What was the probable cause of the accident?

The pilot's failure to maintain proper glide path during final approach which resulted in a collision with airport equipment short of the runway.