MIA91LA047
1990-12-19 · SAN JUAN, Puerto Rico · None · 1 aircraft · Status: Completed
Airport SJU
N433CA has since been reassigned. It is now registered to a different aircraft (CIRRUS DESIGN SR22T, built 2023), which was not involved in this event.
Aircraft involved
Probable cause & findings
LOSS OF CONTROL WHILE FLARING TO LAND DUE TO UNDETERMINED REASONS.
Factual narrative
WHILE FLARING TO LAND, THE CAPTAIN & FIRST OFFICER STATED THAT THE RT PROP BETA LIGHT ILLUMINATED. THE ACFT THEN YAWED TO THE RT, DESCENDED RT WING LOW WHICH CONTACTED THE GROUND. THE ACFT REMAINED ON THE GROUND, TRAVELLED OFF THE RWY, & CAME TO REST ON GRASS ADJACENT TO THE RWY. THE ACFT WAS REMOVED & THE FOLLOWING DAY UNDER THE SUPERVISION OF THE FAA, THE RT ENG & PROP WERE OPERATIONALLY TESTED WHICH REVEALED NO EVIDENE OF MALFUNCTION OF THE PROPELLER BLADE ANGLE RIGGING, FUEL FLOW, OR WORN FLIGHT IDLE GATE. ACCORDING TO THE NTSB FORM 6120.1/2, FILLED OUT BY THE DIRECTOR OF FLT OPS, WAKE TURBULENCE WAS SUSPECTED FOR THE LOSS OF CONTROL. NO DETERMINATION COULD BE MADE AS TO THE REASON FOR THE LOSS OF CONTROL. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1990_MIA91LA047.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (loss of control, wake turbulence, turbulence). All research papers
- NASA NTRS 2019 · Conference Paper Aircraft wake turbulence minimization by aerodynamic means
The paper reviews NASA's efforts on wake vortex turbulence minimization by aerodynamic design or retrofit modifications to large transport aircraft.
- NASA NTRS 2019 · Conference Paper Wake Turbulence Mitigation for Arrivals (WTMA)
The preliminary Wake Turbulence Mitigation for Arrivals (WTMA) concept of operations is described in this paper. The WTMA concept provides further detail to work initiated by the Wake Vortex Avoidance…
- NASA NTRS 2019 · Conference Paper Aircraft wake turbulence avoidance
Aircraft wake turbulence /trailing vortex systems/ avoidance during flight, describing procedures for pilots and tower operators
- NASA NTRS 2019 · Conference Paper Aircraft wake turbulence progress and plans
Aircraft wake turbulence and trailing vortices, investigating physical characteristics, hazard potential and avoidance techniques
- SKYbrary (Eurocontrol) 2023 · SKYbrary article Wake Vortex Turbulence — SKYbrary Knowledge Base
SKYbrary wake vortex turbulence comprehensive article — generation mechanics, dissipation factors, separation standards (ICAO LIGHT/MEDIUM/HEAVY/SUPER + recategorisation RECAT-EU).
- NASA NTRS 2019 · Contractor Report (CR) An Examination of Aviation Accidents Associated with Turbulence, Wind Shear and Thunderstorm
The focal point of the study reported here was the definition and examination of turbulence, wind shear and thunderstorm in relation to aviation accidents.