Casualties unknown

Takeoff Climb Incident: Pilot Hears Pop, Experiences Shudder and Performance Loss, Stalls During Turnback (N1558X)

Danbury, CT, US

On January 7, 2004, a Piper PA-28-151 (registration N1558X) operated by Danbury Flight School was involved in an aviation accident near Danbury, CT. Investigators recorded the probable cause as: The loss of engine power for undetermined reasons, and the pilot's failure to maintain adequate airspeed. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.

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

During takeoff climb, a pilot heard a pop, felt shudder and decreased performance. After attempting to evaluate the problem at 400 feet, he turned back. The airplane stalled, struck a tree, and a post-crash fire occurred.

Accident Sequence

During the takeoff climb, as the airplane approached the departure end of the runway, the pilot reported hearing a "pop" sound. Subsequently, the airplane began to shudder, and the pilot felt a decrease in aircraft performance. The pilot attempted to evaluate the problem but was unsuccessful. At an altitude of 400 feet, he initiated a turn back to the airport. During the turn, the airplane stalled, impacted a tree, and a post-crash fire ensued.

Witness Observations

Witnesses on the ground observed a thin "puff" of smoke trailing from the airplane's exhaust prior to the pilot initiating the turn back to the runway.

Post-Accident Examination

An on-scene examination of the airplane and engine did not reveal any mechanical deficiencies.

Frequently asked questions

What happened in the 7 Jan 2004 Piper PA-28-151 accident near Danbury, CT?

During takeoff climb, a pilot heard a pop, felt shudder and decreased performance. After attempting to evaluate the problem at 400 feet, he turned back. The airplane stalled, struck a tree, and a post-crash fire occurred.

What aircraft was involved and where did it happen?

The accident on 7 Jan 2004 involved a Piper PA-28-151, registration N1558X, operated by Danbury Flight School, at Danbury, CT.

What was the probable cause of the accident?

The loss of engine power for undetermined reasons, and the pilot's failure to maintain adequate airspeed.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20040120X00074. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.