3 fatalities

Aircraft Collides with Terrain Near Elbert, Colorado (N9937U)

Elbert, CO, US

On January 17, 1988, a Gulfstream American AA-5A (registration N9937U) operated by Peterson Aero Club was involved in an aviation accident near Elbert, CO. 3 people were killed. 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

An aircraft collided with rising terrain near Elbert, CO, during a flight from Rapid City to Colorado Springs. Witness reported poor visibility with clouds on the ground. The aircraft disintegrated over a 480-ft path. The rear seat occupant was not strapped in and was ejected.

Accident Details

An aircraft collided with slightly rising terrain while en route from Rapid City, South Dakota, to Colorado Springs, Colorado. The crash site was located three miles west of Elbert, Colorado, at an elevation of approximately 7,100 feet mean sea level.

At the time of impact, the aircraft's right wing was slightly down and the nose attitude was level. Following the initial contact, the aircraft skipped forward about 90 feet before a second impact, which occurred with a more pronounced right-wing-low and nose-down attitude. The canopy was ejected and was found 20 feet to the right and 30 feet forward of the second impact point.

The aircraft disintegrated from the second impact point along a path approximately 480 feet long and 147 feet wide. The front seat occupants remained strapped in their seats. The rear seat occupant was not strapped in and was ejected 110 feet from the main wreckage.

Witness and Weather Conditions

A witness in Elbert reported that at the time of the accident, the clouds were "on the ground" and visibility was "very poor." Weather conditions at Colorado Springs were recorded as 100% overcast with 3/4 mile visibility in snow. There is no evidence that the pilot checked the weather.

The aircraft's heading at impact was away from a heading that would lead to the flight's destination.

Frequently asked questions

What happened in the 17 Jan 1988 Gulfstream American AA-5A accident near Elbert, CO?

An aircraft collided with rising terrain near Elbert, CO, during a flight from Rapid City to Colorado Springs. Witness reported poor visibility with clouds on the ground. The aircraft disintegrated over a 480-ft path. The rear seat occupant was not strapped in and was ejected.

Were there any fatalities in the 17 Jan 1988 Gulfstream American AA-5A accident?

The accident was fatal, resulting in 3 fatalities.

What aircraft was involved and where did it happen?

The accident on 17 Jan 1988 involved a Gulfstream American AA-5A, registration N9937U, operated by Peterson Aero Club, at Elbert, CO.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X24881. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.