Casualties unknown

Ferry Flight Ends in Hard Landing and Ground Loop (N2790D)

Greeley, CO, US

On August 23, 1986, a Cessna 170B (registration N2790D) operated by Michael D. Purpura was involved in an aviation accident near Greeley, CO. 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 pilot ferrying an aircraft from Colorado to Missouri experienced a hard landing and ground loop after realizing he was too high during flare. The aircraft had a special airworthiness certificate.

Overview

A pilot was ferrying an aircraft from Glenwood Springs, Colorado, to Troy, Missouri. The aircraft was out of its annual inspection and had been issued a special airworthiness certificate. The pilot had not flown for two years prior to the accident.

Flight Details

The pilot completed the mandatory biennial flight review the day before the accident and reported logging four hours of flight time in the 24 hours preceding the accident.

Accident Sequence

According to the pilot, he made a normal approach to runway 09. During the flare, he realized he was too high. The aircraft then made a hard landing, which resulted in the right main tire blowing. The pilot added power in an attempt to execute a go-around, but the aircraft ground looped.

Frequently asked questions

What happened in the 23 Aug 1986 Cessna 170B accident near Greeley, CO?

A pilot ferrying an aircraft from Colorado to Missouri experienced a hard landing and ground loop after realizing he was too high during flare. The aircraft had a special airworthiness certificate.

What aircraft was involved and where did it happen?

The accident on 23 Aug 1986 involved a Cessna 170B, registration N2790D, operated by Michael D. Purpura, at Greeley, CO.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X34468. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.