No fatalities

Flight Instructor and Student Pilot Involved in Canyon Collision

Elkins, WV, United States

On August 13, 2011, a CESSNA 172M operated by Michael D. Knopp was involved in an aviation accident near Elkins, WV. No fatalities were reported. Investigators recorded the probable cause as: The flight instructor's unfamiliarity with the geographic area, resulting in controlled flight into 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

A certified flight instructor and student pilot were performing a touch-and-go landing when the instructor attempted mountain flying in a canyon. The aircraft collided with trees after the instructor realized they were in the wrong area and could not clear the ridge.

Incident Overview

A certified flight instructor (CFI) was providing instruction to a student pilot during a training flight. Following a touch-and-go landing executed by the student, the CFI indicated that they would conduct mountain flying and directed the student to climb straight ahead over a ridge line. After the aircraft cleared the ridge, the CFI instructed the student to make a right turn into a canyon.

Sequence of Events

Upon entering the canyon, the CFI realized that they were in the wrong area and that the airplane would be unable to clear the ridge line immediately in front of them. The CFI then took control of the airplane and made a left turn toward the left side of the canyon. Following this, the CFI initiated a hard right turn and recognized that there was insufficient room to reverse the aircraft's direction. The CFI leveled the wings, and the airplane subsequently collided with trees.

Aftermath

The collision resulted in structural damage to the airplane, and it came to rest on the side of the ridge. The CFI reported that there were no mechanical problems with the airplane and that he was unfamiliar with the geographic area where the incident occurred.

Contributing factors

Causes

Instructor/check pilot

Other contributing factors

Contributed to outcome

Frequently asked questions

What happened in the 13 Aug 2011 CESSNA 172M accident near Elkins, WV?

A certified flight instructor and student pilot were performing a touch-and-go landing when the instructor attempted mountain flying in a canyon. The aircraft collided with trees after the instructor realized they were in the wrong area and could not clear the ridge.

Were there any fatalities in the 13 Aug 2011 CESSNA 172M accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 13 Aug 2011 involved a CESSNA 172M, operated by Michael D. Knopp, at Elkins, WV.

What was the probable cause of the accident?

The flight instructor's unfamiliarity with the geographic area, resulting in controlled flight into terrain.