Kolb Aircraft Co MK-3 N520SK accident near Onondaga, Michigan

Aug 19, 2012 · NTSB number CEN12LA565 · Final report

Probable cause

The noncertificated pilot's inadequate preflight planning, which resulted in landing on a runway of inadequate length and subsequent runway excursion.

NTSB analysis

The noncertificated pilot reported taking off from his private airstrip and flying to a friend’s grass airstrip. Upon landing, he found that the destination airstrip was too short. The airplane overran the end of the runway and impacted a stump. The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Text from the NTSB. Open the NTSB docket for CEN12LA565 for the full record.

Event

Date
Aug 19, 2012
Type
Accident
Place
Onondaga, Michigan
Nearest airport
Private (PVT)
Highest injury
None
Weather
Visual (VMC)
Light
Day

Kolb Aircraft Co MK-3

N-number
N520SK
Category
Airplane
Damage
Substantial
Operating rule
Part 91 (general aviation)
Purpose of flight
Personal

From the NTSB aviation accident database: N-registered aircraft, events since 2008, data through Oct 28, 2026. The file is published monthly, so the latest weeks are incomplete and recent records can change. The official source is the NTSB aviation investigation search. CheckAero is independent and not affiliated with the NTSB.