NTSB CAROL · Event
Event WPR19LA100
Aircraft involved
Probable cause & findings
The pilot’s loss of airplane control during a go-around for reasons that could not be determined based on available evidence.
Factual narrative
On February 9, 2019, about 1039 Pacific standard time, a Bellanca 7GCAA airplane, N11666, was substantially damaged when it was involved in an accident near Watsonville, California. The flight instructor and private pilot sustained serious injuries. The airplane was operated as a Title 14 Code of Federal Regulations (CFR) Part 91 instructional flight. The instructor reported that the purpose of the flight was to conduct a flight review for the private pilot. They departed Watsonville Municipal Airport (WVI), Watsonville, California, to the southwest toward the coast and then set up on a left downwind for a simulated emergency landing to runway 28 at Monterey Bay Academy Airport (CA66), Watsonville, California. Due to the recent rain, they were not planning to land on the grass runway. The instructor stated that during the turn from base to final, “everything looked good” and the pilot initiated a go-around as planned. He further stated that the engine was running and producing power throughout the approach; however, he did not recall the accident sequence. According to a Federal Aviation Administration inspector on scene, the airplane came to rest in an upright, nose-down position about 420 ft short of the approach end of runway 28, about 25 ft from the right side of the runway. The airplane impacted terrain in a steep nose-down attitude and displayed some rotational signatures. Examination of the airframe and engine revealed no preimpact anomalies with the airplane that would have precluded normal operation. Review of the weather conditions revealed a trough of low pressure extended along the California coast in the immediate vicinity west of the accident site, with a general weak pressure gradient over the Watsonville area. The closest weather reporting location, about 3 nm, reported calm winds. A sounding model depicted a light southerly surface wind from 160° at 4 knots with no significant low-level wind shear or turbulence below 1,000 ft at the accident site. The flight instructor and pilot were conducting a flight review. The instructor reported that “everything looked good” during the simulated emergency landing before the pilot initiated a planned go-around while on final approach. The instructor did not recall the accident sequence. The airplane impacted terrain near the runway in a steep nose-down attitude consistent with a loss of control. Examination of the airframe and engine revealed no preimpact anomalies that would have prevented normal operation. Calm to light wind was reported in the vicinity of the accident site around the time of the accident, with no significant low-level wind shear or turbulence below 1,000 ft. The investigation was unable to determine the reason for the loss of control. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- — Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot
- — Not determined-Not determined-(general)-(general)-Unknown/Not determined
Verbatim from NTSB's published report. Source file
NTSB_2019_WPR19LA100.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 (wind shear, loss of control, go-around, 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 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.
- Embry-Riddle Scholarly Commons 2019 · Journal article (IJAAA)
Low Level Turbulence Detection For Airports
Abstract—— Low level wind shear and turbulence present a serious safety risk to aircraft during the approach, landing and take-off phases.
- Embry-Riddle Scholarly Commons 2018 · Journal article (IJAAA)
Evaluating the Effect of Turbulence on Aircraft During Landing and Take-Off Phases
—— Low level wind shear and turbulence present a serious safety risk to aircraft during the approach, landing and take-off phases.
- NTSB Aircraft Accident Reports 2021 · Accident report
Crash of Atlas Air Flight 3591, Boeing 767-300 (N1217A)
Atlas Air 3591 crashed into Trinity Bay, Texas, February 23, 2019. Investigation of the in-flight loss-of-control crash of Atlas Air 3591 into Trinity Bay, Texas.
- NASA NTRS 2019 · Preprint (Draft being sent to journal)
Convectively Induced Turbulence Encountered During NASA's Fall-2000 Flight Experiments
Aircraft encounters with atmospheric turbulence are a leading cause of in-flight injuries aboard commercial airliners and cost the airlines millions of dollars each year.
- NASA NTRS 2019 · Technical Memorandum (TM)
Some aspects of wind shear in the upper atmosphere
Hydrodynamic turbulence and wind shear in upper atmosphere
Browse the full corpus — academia portal ↗