Casualties unknown

Collision Between Diamond DA20 and Piper PA-28 at Runway Intersection (N4312A)

Provo, UT, US

On March 6, 1999, a Piper PA-28-235 (registration N4312A) was involved in an aviation accident near Provo, UT. Investigators recorded the probable cause as: The pilot exercising poor judgment by ignoring proper procedures/directives, his intentional selection of the wrong runway for takeoff, and his failure to maintain an adequate visual lookout. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

A Diamond DA20 (N189DA) on landing rollout was struck by a Piper PA-28-235 (N4312A) on takeoff roll at the intersection of runways 31 and 18. The Piper pilot reported seeing other traffic but misjudged separation.

Introduction

On an unspecified date, a Diamond DA20-A1 (registration N189DA) and a Piper PA-28-235 (registration N4312A) were involved in a ground collision at a non-towered airport. The accident occurred at the intersection of runways 31 and 18.

Sequence of Events

N189DA was one of several airplanes in the traffic pattern for runway 31, which was the active runway. The airplane landed and was on landing rollout when it was struck by N4312A, which was on takeoff roll on runway 18. The collision occurred at the intersection of runways 31 and 18.

Pilot Statements

The pilot of the Piper reported seeing two airplanes in the traffic pattern and heard both pilots advise of their positions and intentions. The Piper pilot announced that he would be taxiing onto runway 18 for departure because he had 'plenty of time to depart before either of the two aircraft were in position to land.' He did not see the Diamond, which was ahead of the other two airplanes.

Previous Incidents

Two other pilots reported having near collisions with the Piper earlier that day, and one pilot reported having a near collision with the Piper two months earlier.

Frequently asked questions

What happened in the 6 Mar 1999 Piper PA-28-235 accident near Provo, UT?

A Diamond DA20 (N189DA) on landing rollout was struck by a Piper PA-28-235 (N4312A) on takeoff roll at the intersection of runways 31 and 18. The Piper pilot reported seeing other traffic but misjudged separation.

What aircraft was involved and where did it happen?

The accident on 6 Mar 1999 involved a Piper PA-28-235, registration N4312A, at Provo, UT.

What was the probable cause of the accident?

The pilot exercising poor judgment by ignoring proper procedures/directives, his intentional selection of the wrong runway for takeoff, and his failure to maintain an adequate visual lookout. Factors were his ostentatious display, the other airplane moving on the ground, and the other pilot's failure to maintain an…

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001205X00306. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.