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Sean Alexander
A.C.T.A.R. ·
Warner Robins, Georgia
Accident Recon./Invest.
Accident Reconstruction
Traffic Crash on scene I evidence gathering and interpretation
Traffic Crash on scene II Vehicle skid and tire mark analysis
Collision at Rail Road crossing investigation
Traffic Reconstruction level 1 Uniform circular motion
Traffic Reconstruction level 2 speed analysis from falling/flipping or vaulting vehicles
Traffic Reconstruction level 3 use of conservation of linear momentum
Traffic Reconstruction Level 4 Accident analysis from velocity, acceleration and concepts of time/distance
Traffic Reconstruction Level 5 Speeds from kinetic and static energy. Damage analysis from crush and Delta Vs
Advanced dynamics in accident reconstruction
Forensic Mapping using a Total Station
Digital Photography
Vehicle Inspection post accident investigations
Vehicle rollover dynamics
Advanced diagramming in Auto CAD
Validation of coefficient of fiction values on different surfaces
Roadway signage and visibility issues
Commercial vehicle reconstruction issues
Commercial Vehicle Post Crash Inspection and Braking analysis
Motorcycle accident reconstruction issues
Pedestrian collisions
Hydroplaning dynamics
Vehicle Autopsy
Crash Data Retrieval system operator
Drag sled verification
Lamp Analysis
PC Crash
Liability issues in Vehicle Pursuit Collision
Spin Analysis in Accident Reconstruction
Balancing Forces in Crush Analysis
Pedestrian /Bicycle Accident Reconstruction "A new approach"
Energy Methods and Damage Analysis in Accident Reconstruction
Crime Scene Technician
Human Factors in Accident Reconstruction
CDR EDR User Conference
Graphing Ford PCM and ACM data in EXCEL
Reconstruction Issues with HYBRID Vehicles
Crash Data Retrieval (CDR) 3.1 & 3.2 updates
Rectification and Photogrammatry from single photographs
Motocycle, Tractor Trailer Dynamics. EDR information and Momentum
Advanced Pedestrian and Bicycle Reconstruction
Heavy Truck (Tractor Trailer) ECM download and Analysis
Crash Data Retrieval (CDR) 3.4 & 3.5 updates
Reconstruction of Inline or small angle collisions
Essentials of Pavement Friction
Combining Speeds in Accident Reconstruction
Crash data collection for GM Airbag Electronic Control Units
Introduction to Microsoft Excel for Crash Reconstruction
NASCAR Safety Innovations
Traffic Signal Timing Essentials
Working Crush and Momentum Solutions for Motorcycle to Car Collisions
Event Data Recorder 3.7 and 3.8 updates
Applying EDR Data to Reconstructing Real World Cases
Tires, Tire Forces and Stability
Rollover Crashes (Dynamics and Drag Factors)
Safe Following Distances and Night-time Driving Speeds for Tractor Trailers
Bicycle Crash Investigation (What's Important)
Momentum Applications of CDR data in Advanced Accident Reconstruction
Animation and Simulation of Vehicle Crashes with ARAS 360
Study on Distracted Driving/ Additional Study on Distracted Tractor Trailer Driving
Introduction Rotational Mechanics
Night and Low - -Light Digital Photography
Safety Belt and Restraint Systems Overview
GPS Forensic Investigations
Introduction to Crush Analysis
Collision Analysis Kinematics-Vectors and DeltaV
Tractor Trailer Underride Crashes
Heavy Vehicle Engine Control Module/Event Data Recorder Course
Animation- 3D MAX in Accident Reconstruction
New Methods in Accident Reconstruction (Momentum Analysis Update)
Crush Applications
Motorcycle and Vehicle collision analysis
Introduction to the Yaris Project
Transit bus crash Reconstruction
Forensic Photography for Accident Reconstruction
Vehicle inspections for mechanical failures
Crash Testing of Vehicles, Buses and Motorcycles
Motorcycle Accident Investigation
Vehicle Safety Features
Vehicle data Recovery (CDR)
Post Collision Vehicle Inspections
Commercial Motor Vehicle Accident Investigations
NHTSA- Model Construction Zones
Rail Road Crossing Accident Investigation
Analysis of Vehicle Crash Forensics
Accident Related Vehicle Fires
CDR Event Data Recorder 2014
Heavy Vehicle Technology in Traffic Crash Reconstruction
Incorporating 3D Scanning Technology into Crash Reconstruction
Bicycle Collision Reconstruction
Crash3 in a Nutshell
Motorcycle Technology Updates and How it affects the Crash Reconstructionist
Strategies for Analyzing Collisions with Multiple Events
Practical Evidence Interpretation, Revisited
3D Laser Scanning with Topcon GLS Series Scanners and Modeling using Topcon Scan Master Software
The Proper use of Simulation Technology for Collisions and Rollover Reconstructions and Highway Safety
Speed Ranges Through Statistics and Common Sense Technique: Real World Cases Analysis
Motorcycle Swerving
Working Time and Distance in the World of Event Data Recorders
Air Brake Inspections and Brake Force Calculations for Heavy Vehicles Equipped with Air Disk Brakes
Video Analysis and Court Presentation in Collision Investigations
Trailer Stability: A look at the Stability of both R.V. and Utility Trailers
CDR Event Data Recorder 2015
How to make certain your Accident Reconstruction is correct.
Vehicle Mechanical Issues Related to Crash Reconstruction
CDR update 2016
Crash Tests data
Interactive Field Projects
Motorcycle Crash Update
Digital Forensics and Heavy Vehicle Post Crash Inspections
Emergency Vehicle Reconstruction
Video Analysis of Body and Dash Cams
Using UAVs in Crash Investigations
Modern Motorcycle Technology and Reconstruction Techniques
In-vehicle infotainment Data
Case Study using EDR information
Electronic Logging Devices - Another Heavy Vehicle EDR
Event Data Recorder Update 2017
Tire Forensics and Tire Investigation Data
Heavy Vehicle Event Data Retrieval Using Synercon Hardware and Software
Using EDR data to calculate Non-EDR equipped vehicle speeds
Investigating & Reconstructing Rollover Crashes
Introduction to Energy & Updating Motorcycle Crush Equations
Motorcycles: Myth, Methodologies, & Momentum
Drivers' Response: Getting a better number & how to apply it
Distracted Driving and Crash Causation: Technology for Enforcement
Case Studies using EDR data
Event Data Recorder update 2018
21st Century Scene Mapping
Load Shifts and Rollover Collisions
Post Crash Tests Data Analysis and Review
Video Analysis for Collision Reconstruction
Vehicle Systems Forensics in Crash Reconstruction
Chip Level Digital Forensics of Heavy Vehicle Electronics Control Units
Case Studies using EDR data 2019
Event Data Recorder update 2019
The use of ELD and Telematics Data in Reconstruction of a Collision
Vehicle Forensic Technician Course
Vehicle Forensic Systems Examiner
Kawasaki Event Data Recorder Extraction and Analysis
Accurate Timing from video
Distracted Driving Cause and Consequences
Event Data Recorders 2021 Update
EPROM Swapping for Airbag Control Modules
Using EDR data for closing speed calculations
Accessing Toyota Vehicle Control History and Collision Avoidance Data
EDR in Traffic Crash Reconstruction Update
New data from General Motors Event Data Recorders
Trailer Crashes and Trailer Dynamics
Notes on Energy Methods in Accident Reconstruction
The Traffic Signal as an Event Data Recorder
Crash Reconstruction and the Highly Automotive Vehicle
Drag Sled Mechanics
Headlights, How far do they Penetrate
Bicycle and Electric Bicycle Performance and Handling for Crash Investigations
DUI Detection Standardized Field Sobriety Course
Drug Recognition Course (NHTSA Certification) DRE Field Evaluations
DRE Final Knowledge exam DRE
NHSTA Recertification 2002 DRE
NHSTA Recertification 2004 DRE
NHSTA Recertification 2010 DRE
Drug Abuse Recognition (D.A.R. NHSTA Certified)
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