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Atlas / NTSB / MIA91LA147

NTSB CAROL · Event

Event MIA91LA147

1991-05-15 KEY WEST, Florida, United States Airport · EYW None 1 aircraft Status: Completed

Registry · N32133

FAA Aircraft Registry record.

Make / Model

WACO UPF-7

Year of manufacture

1941 · 50 years old at event

Engine

CONT MOTOR W670 SERIES (250 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19560521

ADS-B equipped

Yes — Mode-S A374E4

Registrant of record

J&A AVIATION LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

A MOMENTARY LOSS OF ENGINE POWER DUE TO UNDETERMINED REASONS.

Factual narrative

AFTER DROPPING OFF A BANNER THE PLT ADVANCED THE THROTTLE TO CLIMB BUT STATED THAT THE ENG DID NOT IMMEDIATELY RESPOND TO THE THROTTLE INPUT. WHILE DESCENDING THE ENG RESPONDED BUT NOT BEFORE THE RT MAIN LANDING GEAR COLLIDED WITH A DITCH CAUSING THE GEAR TO COLLAPSE. THE RT WING TIP THEN CONTACTED THE GROUND & THE ACFT CAME TO REST HEADING 180 DEGREES FROM THE INITIAL FLT PATH. NO DETERMINATION COULD BE MADE AS TO THE FAILURE OF THE ENG TO IMMEDIATELY RESPOND TO THE THROTTLE INPUT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_MIA91LA147.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.