NTSB CAROL · Event
Event SEA03LA134
Registry · N102PM
FAA Aircraft Registry record.
Make / Model
CLASSIC SPORT AIRCRAFT S-18T
Year of manufacture
2002 · 1 years old at event
Engine
LYCOMING O-360 SERIES (180 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
20021205
ADS-B equipped
Yes — Mode-S A00D73
Registrant of record
BROWN SCOT C
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to maintain an airspeed above Vs (stalling speed) while making a close-in base-to-final turn.
Factual narrative
On July 11, 2003, approximately 1455 Pacific daylight time, an experimental Archer S-18T, N102PM, impacted the surface of the runway during a low-level base-to-final turn at Arlington Municipal Airport, Arlington, Washington. The private pilot and his passenger were not injured, but the aircraft, which is owned and operated by the pilot, sustained substantial damage. The 14 CFR Part 91 personal pleasure flight, which departed Scappoose Industrial Airport, Scappoose, Oregon, about 55 minutes earlier, was being operated in visual meteorological conditions. No flight plan had been filed. There was no report of an ELT activation. According to the pilot, who was arriving at Arlington less than ten minutes prior to the time the field was to be closed for an air show, the tower instructed him to turn base early in order to sequence him in front of an aircraft he was in trail of. Although he was instructed to turn base early so that he could land adjacent to a set of cones set near mid-field, the pilot did not see the cones most of the time he was on base leg. He said that while on base he did not see the cones until the last minute, and when he did, he initiated his turn to final. At the point he started the turn, he was approximately 50 feet above the surface, and because he was so close to the runway, he steepened his turn to near 60 degrees of bank. During the turn the airplane stalled and rolled to a position where the wings where 90 degrees to the ground. The pilot then released back pressure, applied corrective rudder and aileron, and was able to get the wings level, but almost immediately thereafter the aircraft impacted the surface of the runway with sufficient force to result in substantial damage. The pilot, who was arriving at Arlington less than ten minutes prior to the time the field was to be closed for an air show, was instructed by the tower to turn base early in order to sequence him in front of an aircraft he was in trail of. Although he was instructed to turn base early so that he could land adjacent to a set of cones set near mid-field, the pilot did not see the cones most of the time he was on base leg. He said that while on base he did not see the cones until the last minute, and when he did, he initiated his turn to final. At the point he started the turn, he was approximately 50 feet above the surface, and because he was so close to the runway, he steepened his turn to near 60 degrees. During the turn the airplane stalled and rolled to a position where the wings where 90 degrees to the ground. The pilot then released back pressure, applied corrective rudder and aileron, and was able to get the wings level, but almost immediately thereafter the aircraft impacted the surface of the runway with sufficient force to result in substantial damage. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2003_SEA03LA134.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 (stall). 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 · Conference Paper
Computational Analysis of Steady State Aerodynamics of Transonic Truss-Braced Wing Configuration in Deep Stall
This study presents a computational investigation of steady state aerodynamics of the Subsonic Ultra-Green Aircraft Research (SUGAR) Transonic Truss-Braced Wing (TTBW) configuration over a wide range …
- arXiv 2023 · arXiv preprint
Automating Bird Diverter Installation through Multi-Aerial Robots and Signal Temporal Logic Specifications
This paper tackles the task assignment and trajectory generation problem for bird diverter installation using a fleet of multi-rotors.
- 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 2023 · arXiv preprint
Polycrystallinity enhances stress build-up around ice
Damage caused by freezing wet, porous materials is a widespread problem, but is hard to predict or control. Here, we show that polycrystallinity makes a great difference to the stress build-up process…
- 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 (JAAER)
Analysis on the Negative Emotional, Physiological, and Cognitive Responses Elicited from of the Activation of a Stall Alarm
Failing to identify an aerodynamic stall can lead to the inability of an aircraft to sustain flight. To warn pilots of an impending or fully-developed stall, many aircraft have safety devices installe…
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