NTSB CAROL · Event
Event MIA91LA156
Aircraft involved
Probable cause & findings
THE PILOT'S INADEQUATE PREFLIGHT INSPECTION AND THE BLOCKED VENT LINE.
Factual narrative
THE ENGINE LOST POWER SHORTLY AFTER TAKEOFF AND THE AIRPLANE CRASHED WHILE ATTEMPTING TO RETURN TO THE AIRPORT. POST CRASH EXAMINATION OF THE AIRCRAFT REVEALED THE FUEL TANK VENT LINE WAS CLOGGED WITH AN INSECT NEST. NO MECHANICAL FAILURES OF THE ENGINE OR AIRFRAME WERE FOUND. CHECKING THE FUEL VENT LINE FOR OBSTRUCTION IS AN ITEM ON THE PREFLIGHT CHECKLIST WHICH IS CONTAINED IN SECTION III, NORMAL OPERATING PROCEDURES, IN THE AIRCRAFT'S OPERATING MANUAL. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1991_MIA91LA156.txt.
Findings + structured fields enriched from FAA avall.mdb.
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