Casualties unknown

Exhaust Heater Muff Failure Precedes Forced Landing and Nose Gear Collapse (N5874P)

Decatur, TX, US

On May 20, 1989, a Piper PA-24-250 (registration N5874P) operated by Frazier, David R. was involved in an aviation accident near Decatur, TX. Investigators recorded the probable cause as: INADEQUATE INSPECTION OF THE EXHAUST SYSTEM BY THE MAINTENANCE PERSONNEL DURING THE LATEST ANNUAL INSPECTION. 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 2026-06-10Data APIEditorial standards

The pilot reported that the exhaust heater muff failed after takeoff, producing extreme heat and smoke. Engine power was subsequently lost, and during the forced landing the nose gear collapsed.

Incident Overview

The pilot of a single-engine airplane reported that immediately after takeoff, the exhaust system heater muff failed. This failure resulted in extreme heat and smoke accumulating under the cowling, with significant smoke entering the cabin. Shortly thereafter, the engine experienced a loss of power.

Forced Landing and Damage

Unable to align the airplane with the runway for a forced landing, the pilot executed a hard landing. The impact caused the nose gear to collapse.

Maintenance History

The most recent annual inspection had been conducted 10 operating hours before the accident.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X28321. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.