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NYC91LA079

1991-03-02 · PHILADELPHIA, Pennsylvania, United States · Serious · 1 aircraft · Status: Completed

Airport PNE

Aircraft involved

Probable cause & findings

DUE TO FAILURE OF THE INDUCTION AIR CONTROL/AIR FILTER/SCREEN, WHICH BLOCKED AIRFLOW THROUGH THE CARBURETOR THROAT.

Factual narrative

SHORTLY AFTER DEPARTURE AT ABOUT 300 TO 400 FEET AGL, THE AIRPLANE ENGINE STOPPED RUNNING. THE AIRPLANE CRASHED ON THE ROOF OF A BUILDING AND BURNED. AN INSPECTION OF THE ENGINE REVEALED A SPONGE-LIKE MATERIAL LODGED BENEATH AND IN THE SECONDARY VENTURI OF THE CARBURETOR. THE PRIMARY VENTURI OF THE CARBURETOR WAS MISSING. THE BRACKET AIR FILTER ASSEMBLY WAS NOT FOUND. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_NYC91LA079.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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