NTSB CAROL · Event
Event MIA93LA054
Registry · N203CB
FAA Aircraft Registry record.
Make / Model
QUAD CITY ULTRALIGHT INC CHALLENGER II
Engine
ROTAX 503 DCDI (52 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
20071116
ADS-B equipped
Yes — Mode-S A19D5C
Registrant of record
LUPTOWSKI JOSEPH M
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
FAILURE OF THE MASTER ROD MAIN BEARING WHICH RESULTED IN LOSS OF ENGINE POWER AND A SUBSEQUENT FORCED LANDING.
Factual narrative
WHILE CLIMBING THROUGH 2,200 FEET AFTER TAKEOFF THE ENGINE BEGAN TO VIBRATE. A SHORT TIME LATER A POWER LOSS WAS NOTED AND THE PILOT DECLARED AN EMERGENCY, AND REQUESTED VECTORS TO THE DEPARTURE AIRPORT. ALTITUDE COULD NOT BE MAINTAINED WITH THE POWER AVAILABLE AND A FORCED LANDING WAS MADE ON A GOLF COURSE. POSTCRASH EXAMINATION OF THE ENGINE REVEALED THE MASTER ROD MAIN BEARING HAD FAILED. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1993_MIA93LA054.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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