NTSB CAROL · Event
Event SEA91LA149
Registry · N7350E
FAA Aircraft Registry record.
Make / Model
CESSNA 210
Year of manufacture
1959 · 32 years old at event
TCDS
3A21 · TEXTRON AVIATION INC
Engine
CONT MOTOR IO-470 SER (260 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19940927
ADS-B equipped
Yes — Mode-S A9DFFB
Registrant of record
MUSZYNSKI JERRY
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
THE PILOT'S POOR INFLIGHT PLANNING AND DECISIONS IN THAT HE FAILED TO ANTICIPATE WAKE TURBULENCE FROM THE DEPARTING HELICOPTER.
Factual narrative
THE AIRPLANE WAS FLARING TO LAND, WHEN IT TRAVELLED THROUGH THE VORTICES OF A HELICOPTER THAT WAS TAKING OFF NEXT TO THE RUNWAY. THE AIRPLANE LANDED HARD. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1991_SEA91LA149.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type or causal vocabulary (wake turbulence, turbulence). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NASA NTRS 2020 · Technical Memorandum (TM)
Evaluation Issues for a Flight Deck Interface; CAST SE-210 Output 2: Report 4 of 6
This report is part of a series of reports that addresses flight deck design and evaluation, written as a response to loss of control accidents.
- 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).
Browse the full corpus — academia portal ↗