NTSB CAROL · Event
Event CHI05CA117
Registry · N102AM
FAA Aircraft Registry record.
Make / Model
AVIAT AIRCRAFT INC A-1B
Seats / Engines
2 seats · 1 engine
ADS-B equipped
Yes — Mode-S A00C2E
Registrant of record
ANTCZAK AIR LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The poor inflight planning and the pilot's inability to maintain control of the airplane. A factor associated with the accident was the low altitude at which the airplane encoutnered its own wake.
Factual narrative
On May 19, 2005, at 0815 mountain standard time, an Aviat A-1B, N102AM, operated by the South Dakota Department of Game, Fish, and Parks, collided with the terrain following a loss of control during a predator control flight in Lodgepole, South Dakota. The pilot received serious injuries and the passenger received minor injuries. The airplane was substantially damaged. The public use flight was operating in visual meteorological conditions without a flight plan. The flight originated from a ranch in Meadow, South Dakota. The pilot reported they were flying to Lodgepole, South Dakota, to aerial hunt coyote. The pilot stated that upon arriving in the area, he spotted a coyote and made a normal pass near it. His gunner then informed him that the shotgun had jammed so he made an "immediate 360-degree left turn." The pilot reported that when he got within 20 to 30 yards of the coyote, he encountered wake turbulence from his previous pass. He stated he applied full power and attempted to pull up. The pilot reported, "I sensed that due to the rate of descent I was going to strike the ground." The airplane contacted the terrain and became airborne before striking the terrain a second time. The airplane collided with the terrain following a loss of control during a predator control flight. The pilot reported the purpose of the flight was an aerial hunt of coyote. The pilot stated that upon arriving in the area, he spotted a coyote and made a normal pass near it. His gunner then informed him that the shotgun had jammed so he made an "immediate 360-degree left turn." The pilot reported that when he got within 20 to 30 yards of the coyote, he encountered wake turbulence from his previous pass. He stated he applied full power and attempted to pull up. The pilot reported, "I sensed that due to the rate of descent I was going to strike the ground." The airplane contacted the terrain and became airborne before striking the terrain a second time. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2005_CHI05CA117.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 (loss of control, 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 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.
Browse the full corpus — academia portal ↗