No fatalities

Ground Collision Between Stearman and Cessna 172M During Taxi

Santa Rosa, CA, United States

On July 31, 2010, a BOEING PT-13B was involved in an aviation accident near Santa Rosa, CA. No fatalities were reported. Investigators recorded the probable cause as: The failure of the pilot to maintain clearance from another airplane while taxiing. This summary draws on records from NTSB.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

A Boeing PT-13B Stearman collided with a Cessna 172M in the run-up area. The Stearman pilot was conducting S-turns and did not see the Cessna until impact. The Cessna was stationary conducting a run-up.

Accident Details

The pilot of a Boeing PT-13B Stearman reported that after performing maintenance on the airplane, he taxied to the run-up area to conduct an engine run-up. The airplane had a tailwheel configuration, requiring continuous S-turns to maintain forward visibility. While approaching the run-up area during a right turn, he observed an airplane on the runway. He reported that the area was “clear” in front of his airplane and continued his S-turn to the left. During this turn, the Stearman collided with a Cessna 172M. The Stearman pilot stated that he did not see the Cessna prior to that final turn, only observing its empennage at the moment of collision.

Pilot Statements

The pilot of the Cessna 172M stated that he was stopped in the run-up area conducting a run-up when he looked to the left and saw the Stearman adjacent to the end of the Cessna’s left wing. He reported that the Stearman taxied forward and its propeller struck the left wing. Neither pilot reported any mechanical failures or malfunctions with their respective airplane’s airframe or engine prior to the accident.

Aircraft Damage

The collision resulted in substantial damage to the Cessna 172M’s left wing. No damage to the Stearman was reported in the source.

Contributing factors

Pilot

Frequently asked questions

What happened in the 31 Jul 2010 BOEING PT-13B accident near Santa Rosa, CA?

A Boeing PT-13B Stearman collided with a Cessna 172M in the run-up area. The Stearman pilot was conducting S-turns and did not see the Cessna until impact. The Cessna was stationary conducting a run-up.

Were there any fatalities in the 31 Jul 2010 BOEING PT-13B accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 31 Jul 2010 involved a BOEING PT-13B, at Santa Rosa, CA.

What was the probable cause of the accident?

The failure of the pilot to maintain clearance from another airplane while taxiing.