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MKC90FA026

1989-11-11 · COLUMBIA, Missouri, United States · Serious · 1 aircraft · Status: Completed

Airport COU

Aircraft involved

Probable cause & findings

AN ENGINE COMPARTMENT FIRE DUE TO A MISSING TURBOCHARGER EXHAUST DUCT AND TAILPIPE ASSEMBLY. THE CLAMP USED TO RETAIN THE TAILPIPE ASSEMBLY TO THE TURBOCHARGER WAS ALSO MISSING, CONTRIBUTING FACTOR(S) WAS: THE SOFT TERRAIN.

Factual narrative

THE PILOT DETECTED AN IN FLIGHT FIRE IN THE AREA OF THE TURBOCHARGER, EXPERIENCED A PARTIAL POWER LOSS, AND MADE A FORCED LANDING IN A FIELD. THE NOSE WHEEL DUG INTO SOFT TERRAIN & THE AIRPLANE NOSED OVER. THE TURBOCHARGER OVERBOARD EXHAUST DUCT, TAILPIPE ASSEMBLY & CLAMP WERE MISSING. AN ANNUAL INSP WAS DONE ON 9/16/89, 26 FTL HRS PRIOR, AT WHICH TIME THE TURBOCHARGER WAS INSPECTED. IN ADDITION, THERE WAS AN UNDATED ENTRY IN THE ACFT LOGBOOK STATING THAT THE TURBOCHARGER CENTER HOUSING WAS ADJUSTED & THAT THE LOCK TABS WERE REPLACED. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1989_MKC90FA026.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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