NTSB CAROL · Event
Event LAX96LA328
Registry · N425WB
FAA Aircraft Registry record.
Make / Model
CESSNA 425
Engine
P&W PT6A SER (750 hp)
Seats / Engines
12 seats · 2 engines
Last airworthiness date
19831216
ADS-B equipped
Yes — Mode-S A51028
Registrant of record
BAGDASARIAN WALTER DBA
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
failure of the right brake system (master cylinder O-ring seal). Factors relating to the accident were: the narrow runway, and the presence of a ditch adjacent to the runway.
Factual narrative
On September 4, 1996, at 2025 hours Pacific daylight time, a Cessna 425, N425WB, landed on runway 07 at the (uncontrolled) Auburn Municipal Airport, Auburn, California. According to the pilot, he lost control of the airplane during rollout. The airplane veered left off the runway and was substantially damaged. Neither the commercial pilot nor passenger was injured. Visual meteorological conditions prevailed at the time, and an instrument flight rules flight plan was filed. The business flight originated from the Snohomish County Airport (Payne Field), Everett, Washington, at 1800. The pilot reported that the airplane touched down within the first 1/4 of the runway, and he applied full reverse thrust. The application of reverse thrust was discontinued as the airplane approached the last 1/3 of the runway, and firm braking was initiated. As the brakes were applied the airplane veered left, and the "right (rudder) peddle went to the floor." The pilot further reported that he tried steering using the rudder but had little success. About 3/4 of the way down the runway, the pilot feathered the right engine's propeller and applied power to the left engine. Despite these efforts, the airplane continued veering toward the left side of the runway, and it eventually went into a ditch, collapsing the nose gear. The airplane's brake system was examined by a mechanic from PassTime Aviation, Auburn. According to PassTime's general manager, the right brake pads and disc were found in good (serviceable) condition. The O-rings in the brake housing had a distorted shape. When the brake system was pressurized, hydraulic fluid leaked past the O-rings. New O-rings were installed in the right brake assembly and it was pressurized. No leaks were noted, and the brake system then appeared airworthy. The airplane was maintained on an approved inspection program. Its last inspection was performed about 110 hours prior to the accident flight. According to the pilot, at the conclusion of a 2.5 hour cross-country flight, he landed without difficulty within the first 1/4 of runway 07, which was 3,100 long by 60 feet wide. He applied full reverse thrust, and then he discontinued its use as the airplane slowed and approached the last 1/3 of the runway. The pilot then depressed the brake peddles. The right peddle 'went to the floor,' and the airplane veered left. About 3/4 of the way down the runway, the pilot feathered the right propeller and applied power to the left engine. Despite these efforts, the airplane continued veering toward the left, and it eventually went into a ditch collapsing the nose gear. During a subsequent examination of the airplane's brake system, the right gear brake pads and disc were found in good (serviceable) condition. However, the O-rings in the brake housing had a distorted shape. When the brake system was pressurized, hydraulic fluid leaked past the O-rings. New O-rings were installed in the right brake assembly, and it was pressurized. No leaks were noted, and the brake system then appeared airworthy. The airplane was maintained on an approved inspection program, and it had been inspected about 110 hours before the accident flight. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1996_LAX96LA328.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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