NTSB CAROL · Event
Event CHI06LA100
Registry · N1579A
FAA Aircraft Registry record.
Make / Model
PIPER PA-20
Year of manufacture
1951 · 55 years old at event
Engine
LYCOMING 0-290 SERIES (140 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19560107
ADS-B equipped
Yes — Mode-S A0E7C4
Registrant of record
DELAP JAY
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to maintain directional control during landing roll, which resulted in the collapse of the right main landing gear. A factor associated with the accident was a tailwind.
Factual narrative
On March 25, 2006, at 1220 central standard time, a Piper PA-20, N1579A, piloted by a private pilot, was substantially damaged while landing on runway 16 (4,001 feet by 100 feet, asphalt) at the South St. Paul Municipal Airport (SGS), South St. Paul, Minnesota. Visual meteorological conditions prevailed at the time of the accident. The personal flight was being operated under the provisions of 14 Code of Federal Regulations (CFR) Part 91 without a flight plan. The pilot was not injured. The flight departed Faribault Municipal Airport (FBL), Faribault, Minnesota, at 1130. The pilot reported that he had been practicing full-stop landings and that all of his previous landings that day had been "uneventful." The pilot stated that the airplane touched-down in a "three-point stance tracking down the runway." After touchdown, the pilot reportedly had the flight control yoke "pulled all the way back", engine power "all the way off", and he was braking "evenly to bring the airplane to a stop." During landing roll the airplane "veered to the left without warning." The right main landing gear collapsed and the airplane departed off the left side of the runway. The pilot noted having 19.6 hours in tailwheel airplanes, which included 12.6 hours in the same make/model as the accident airplane. The wind conditions at the time of the accident were from 360 degrees magnetic at 4 knots. The tailwheel airplane veered off the left side of runway 16 during the landing roll. The pilot reported that he had been practicing full-stop landings, and that all of his previous landings that day had been uneventful. The pilot stated that the airplane touched-down in a three-point stance and was tracking down the runway. After touchdown, the pilot reported he had the flight control yoke pulled all the way back, engine power all the way off, and he was braking evenly to bring the airplane to a stop. During landing roll the pilot related the airplane veered to the left without warning. The right main landing gear collapsed, and the airplane departed off the left side of the runway. The pilot noted having 19.6 hours in tailwheel airplanes, which included 12.6 hours in the same make/model as the accident airplane. The wind conditions at the time of the accident were from 360 degrees magnetic at 4 knots. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2006_CHI06LA100.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). 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 2026 · Contractor Report (CR)
Icing Physics Studies Using the 3D SIDRM Test Article: 2023 Icing Tests Analysis
In-flight icing is an important safety issue and is a factor that affects aircraft design and performance. Newer regulations are driving a need for improvements in airframe and engine icing simulation…
- arXiv 2025 · arXiv preprint
Multi-Agent Deep Reinforcement Learning for UAV-Assisted 5G Network Slicing: A Comparative Study of MAPPO, MADDPG, and MADQN
The growing demand for robust, scalable wireless networks in the 5G-and-beyond era has led to the deployment of Unmanned Aerial Vehicles (UAVs) as mobile base stations to enhance coverage in dense urb…
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
A Mathematical Model on the Temporal Dynamics of Aviation Competitive Pricing
This study investigates the competitive dynamics of airport pricing using U.S. airport data to validate the findings. It employs linear and nonlinear ordinary differential equation models to analyze t…
- NASA NTRS 2025 · Presentation
NASA Icing Update – March 2025
This NASA Icing Update was prepared for presentation to the SAE International AC-9C Inflight Icing Technology Committee. This update includes the following topics: planned Rotational Icing Scaling tes…
- arXiv 2024 · arXiv preprint
An energy-stable phase-field model for droplet icing simulations
A phase-field model for three-phase flows is established by combining the Navier-Stokes (NS) and the energy equations, with the Allen-Cahn (AC) and Cahn-Hilliard (CH) equations and is demonstrated ana…
- NASA NTRS 2024 · Presentation
NASA Icing Update – Oct 2024
This presentation provides a status update on select NASA icing research activities for the SAE AC-9C Icing Technical Committee Meeting on Oct 21, 2024.
Browse the full corpus — academia portal ↗