Casualties unknown

1997-06-02: Cessna 172N (N4752D) — Comerio, PR

Comerio, PR, US

On June 2, 1997, a Cessna 172N (registration N4752D) was involved in an aviation accident near Comerio, PR. Investigators recorded the probable cause as: the pilot's improper in-flight planning/decision, which resulted in his failure to maintain sufficient altitude/clearance from obstructions on rising terrain. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

A low-flying airplane performed a 360-degree turn, then struck a palm tree and crashed into a house. The post-crash fire erupted 25-30 minutes later. No ground injuries were reported.

Accident Overview

The airplane was observed by witnesses flying at low altitude while turning into rising terrain. According to witness statements, the aircraft executed a 360-degree clockwise turn in a straight and level attitude, heading toward terrain that was increasing in elevation. The lowest point in the area was estimated at 660 feet mean sea level (msl), while the crash site was at approximately 1,815 feet msl, and the top of the rising terrain reached about 3,630 feet msl.

Witness Observations

Multiple witnesses reported seeing the airplane strike a palm tree before crashing into a private residence. Upon reaching the crash site, they noted that initially there was no fire. The passenger seated in the left rear seat was the first to be removed from the wreckage. The other three occupants remained inside when a fire erupted approximately 25 to 30 minutes after the accident. The fire became too intense to allow the removal of the remaining occupants. There were no injuries to ground personnel.

Post-Accident Examination

An examination of the wreckage established continuity for all flight controls. The engine was disassembled but no discrepancies were found.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001208X08187. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.