Sukhoi SU-26MX N25SU

Summary

On 30 September 2025 at about 17:00 local time, a Sukhoi SU-26MX registered N25SU was involved in an accident near Longmont, Colorado, United States. One person was on board and one had minor injuries. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.

Date

30 September 2025 at 17:00

Classification

Accident

Location

Longmont, Colorado, United States

Nearest airport

Vance Brand (LMO)

Coordinates

40.1638, -105.1622

Aircraft

Sukhoi SU-26MX

Registration

N25SU

Category

Airplane

Year built

1991

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

CEN25LA405

1 person had minor injuries.

The pilot's failure to maintain directional control during takeoff.

Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.

Read the full NTSB narrative

The pilot reported that during the takeoff roll about 50 mph, the airplane veered to the left of the runway centerline. The pilot attempted to correct back to the right; however, the airplane continued to the left, exited the left side of the runway, and then momentarily became airborne. Subsequently, the left wing struck the ground which resulted in substantial damage to the left wing. The pilot reported that he might have attempted the takeoff with the tailwheel in the unlocked position.

Quoted verbatim from the NTSB record.