1989-07-25: Piper PA-18-135 — Dakota Ridge Aviation, Inc. — Boulder, CO

Casualties unknown • Boulder, CO, US

Probable cause

FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL, WHICH RESULTED IN AN INADVERTENT GROUND SWERVE AND SUBSEQUENT DAMAGE TO THE WING.

— NTSB Determination

Accident narrative

THE PLT RPRTD HE MADE A WHEEL LANDING ON RWY 8 WITH WINDS THAT HE ESTIMATED WERE LIGHT & VARIABLE. HE SAID THAT DURING THE LANDING ROLL, THE PLANE SWERVED TO THE RIGHT. HE ATTEMPTED TO CORRECT THE SWERVE, BUT TO NO AVAIL. THE LEFT WING STRUCK THE GROUND BETWEEN THE RWY & TWY. DURING THE OCCURRENCE, THE LEFT WING SPAR WAS BENT & THE MAIN LANDING GEAR WAS DAMAGED, BUT THE PLT WAS ABLE TO TAXI THE PLANE TO THE HANGAR.

Frequently asked questions

What happened in the 1989-07-25 Piper PA-18-135 accident near Boulder, CO?

THE PLT RPRTD HE MADE A WHEEL LANDING ON RWY 8 WITH WINDS THAT HE ESTIMATED WERE LIGHT & VARIABLE. HE SAID THAT DURING THE LANDING ROLL, THE PLANE SWERVED TO THE RIGHT. HE ATTEMPTED TO CORRECT THE SWERVE, BUT TO NO AVAIL. THE LEFT WING STRUCK THE GROUND BETWEEN THE RWY & TWY. DURING THE OCCURRENCE, THE LEFT WING SPAR…

What aircraft was involved and where did it happen?

The accident on 1989-07-25 involved a Piper PA-18-135, registration N9967Q, operated by Dakota Ridge Aviation, Inc., at Boulder, CO.

What was the probable cause of the accident?

FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL, WHICH RESULTED IN AN INADVERTENT GROUND SWERVE AND SUBSEQUENT DAMAGE TO THE WING.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X28816. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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