NTSB CAROL · Event
Event ERA13LA418
Registry · N9433
FAA Aircraft Registry record.
Make / Model
FLEET 7
Engine
KINNER B5 SERIES (125 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19730530
ADS-B equipped
Yes — Mode-S AD1B0E
Registrant of record
GODBEHERE JOHN S
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
Maintenance personnel’s improper service, adjustment, and inspection of the brakes, which resulted in a runway excursion and subsequent noseover.
Factual narrative
On September 7, 2013, about 1110 eastern daylight time, a Fleet 7, N9433, was substantially damaged following a runway excursion after landing at Louisa County Airport/Freeman Field (LKU), Louisa, Virginia. The airline transport pilot and passenger were not injured. The flight was conducted under the provisions of Title 14 Code of Federal Regulations (CFR) Part 91 as a personal flight. Visual meteorological conditions prevailed and no flight plan had been filed for the flight which originated from Warrenton-Fauquier Airport (HMY), Warrenton, Virginia. The pilot reported that following a normal crosswind landing on runway 27, the airplane began to veer to the left. Following an application of right rudder, the airplane continued to the left and departed the left side of the runway. The airplane continued into the grass, nosed over, and came to rest inverted. An inspector with the Federal Aviation Administration responded to the accident site and examined the airplane. The examination revealed substantial damage to the vertical stabilizer. Further examination of the rudder revealed that during the full application of the right rudder the left brake would apply. Photographs provided by the FAA inspector revealed rubber tire marks on the runway, veering to the left, looking towards the direction of travel, and ceasing at the edge of the runway. The rubber tire marks coincided with the tire tracks in the grass which led to the accident airplane. According to airplane maintenance records, the most recent annual inspection was completed on June 29, 2013 at a recorded tachometer time of 3739.7 hours. According to the FAA inspector, the tachometer at the time of the accident indicated about 3742 hours. According to CFR Part 43 Appendix D "Scope and Detail of Items (as Applicable to the Particular Aircraft) to be Included in Annual and 100-Hour Inspections," states in part "Each person performing an annual or 100-hour inspection shall inspect (where applicable) the following components of the landing gear group: (9) Brakes – for improper adjustment." At the time of the accident, the airplane had been flown about 2 hours since this inspection. The wind at the time of the accident was 200 degrees at 6 knots. The pilot reported that, following a normal left-crosswind landing, the airplane veered left. Further right rudder application resulted in the airplane continuing to veer left until it exited the edge of the runway and nosed over. Postaccident examination of the airplane revealed that the brake cable was not properly adjusted and that, as a result, the application of the right rudder pedal engaged the left brake. The airplane's last annual inspection occurred about 2 months before the accident, and, during this inspection, maintenance personnel were required to check the brakes for proper adjustment. It is likely that if maintenance personnel had adequately conducted the annual inspection they could have recognized the incorrectly adjusted brakes. No other anomalies or mechanical malfunctions were found that would have precluded normal operation. 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).
- C Aircraft-Aircraft systems-Landing gear system-Brake-Incorrect service/maintenance - C
- C Aircraft-Aircraft systems-Landing gear system-Brake-Inadequate inspection - C
- C Personnel issues-Task performance-Maintenance-Scheduled/routine maintenance-Maintenance personnel - C
- C Personnel issues-Task performance-Inspection-Scheduled/routine inspection-Maintenance personnel - C
Verbatim from NTSB's published report. Source file
NTSB_2013_ERA13LA418.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 (runway excursion, maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2026 · Journal article (IJAAA)
From Reactive to Predictive: A hybrid Trust-Mediated Adoption Framework for Data-Driven Maintenance in Distributed-Authority Aviation Environments
Modern aviation maintenance operates within increasingly data-intensive technological environments, yet the operational integration of predictive maintenance into routine decision-making remains incon…
- Semantic Scholar 2025 · Article (Applied Sciences)
Decision-Making Framework for Aviation Safety in Predictive Maintenance Strategies
The implementation of predictive maintenance (PM) in aviation presents unique challenges due to strict safety requirements, complex operational environments, and regulatory constraints.
- SKYbrary (Eurocontrol) 2024 · SKYbrary article
Runway Excursion — SKYbrary Knowledge Base
SKYbrary runway excursion review — RE-OE (overruns) + RE-LO (lateral). Risk drivers: long landing, high approach speed, contaminated surface, tailwind, mis-set autobrakes.
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
Low-Resource Automatic Speech Recognition Domain Adaptation – A Case-Study in Aviation Maintenance
With timeliness and efficiency being critical in the aviation maintenance industry, the need has been growing for smart technological solutions that optimize and streamline the different underlying ta…
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
A New Trajectory in UAV Safety: Leveraging Reinforcement Learning for Distance Maintenance Under Wind Variations
In the field of aviation, safety is a critical cornerstone, and the operation of Unmanned Aerial Vehicle (UAV) systems is deeply connected with this principle.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Just Culture in Aviation: A Metaphorical Study on Aircraft Maintenance Students
Just Culture, a sub-dimension of safety culture, has been a prominent and debated topic in aviation safety in recent years.
Browse the full corpus — academia portal ↗