NTSB CAROL · Event
Event SEA96MA079
Aircraft involved
Probable cause & findings
the pilot-in-command's improper decision to take off into deteriorating weather conditions (including turbulence, gusty winds, and an advancing thunderstorm and associated precipitation) when the airplane was overweight and when the density altitude was higher than he was accustomed to, resulting in a stall caused by failure to maintain airspeed. Contributing to the pilot-in-command's decision to take off was a desire to adhere to an overly ambitious itinerary, in part, because of media commitments.
Factual narrative
Refer to NTSB Report PB 97-910402. A 7 year old trainee (passenger), accompanied by her father (a passenger) and the pilot-in-command (PIC), were engaged in a trans-continental record attempt involving 6,660 miles of flying in 8 consecutive days. The 1st leg of the trip (about 8 hours of flying) had been accomplished the previous day and began/ended with considerable media attention. On the morning of the 2nd day, the PIC and the trainee participated in media interviews, pre-flighted, and then loaded the airplane. The PIC then received a weather briefing and was advised of moderate icing conditions, turbulence, IFR flight precautions, and a cold front in the area of the departure airport. The airplane was taxied in rain to takeoff on runway 30. While taxiing, the PIC acknowledged receiving information that the wind was from 280 degrees at 20 gusting 30 knots and that a departing Cessna 414 pilot reported moderate low-level windshear of +/- 15 knots. The airplane then departed on runway 30 towards a nearby thunderstorm and began a gradual turn to an easterly heading. Witnesses described the airplane's climb rate and speed as slow, and they observed the airplane enter a roll and descent that was consistent with a stall. Density altitude at the airport was 6,670 feet. The airplane's gross weight was calculated to be 84 pounds over the maximum limit at the time of the impact. (See: NTSB/AAR-97/02 for detailed info) Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1996_SEA96MA079.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 (icing, stall, turbulence, thunderstorm). 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 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.
- NASA NTRS 2019 · Reprint (Version printed in journal)
Observations of severe turbulence near thunderstorm tops
Data derived from the flight tapes of two airliners that experienced severe turbulence near thunderstorm tops are used to produce quantitative descriptions of the turbulence and its environment.
- Embry-Riddle Scholarly Commons 2023 · Faculty research project
Understanding the Coupled Interactions Between Hair-Like Micromechanoreceptors and Wall Turbulence
This research focuses on understanding the interactions between turbulent flows and long (high aspect ratio), flexible hair-like microstructures or micropillars inspired by those encountered in nature…
- arXiv 2023 · arXiv preprint
Variation of Critical Crystallization Pressure for the Formation of Square Ice in Graphene Nanocapillaries
Two-dimensional square ice in graphene nanocapillaries at room temperature is a fascinating phenomenon and has been confirmed experimentally.
- arXiv 2022 · arXiv preprint
Enhanced Prediction of Three-dimensional Finite Iced Wing Separated Flow Near Stall
Icing on three-dimensional wings causes severe flow separation near stall. Standard improved delayed detached eddy simulation (IDDES) is unable to correctly predict the separating reattaching flow due…
- Embry-Riddle Scholarly Commons 2021 · Journal article (IJAAA)
Comparative Study on the Prediction of Aerodynamic Characteristics of Mini - Unmanned Aerial Vehicle with Turbulence Models
When dealing with CFD simulations the turbulent nature is seen on most of the engineering flows and these flows need to be solved.
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