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Vehicle Factors

This document examines the DDEC IV data recorded from a 2000 Prevost Motorcoach, focusing on the dashboard placard events leading up to an accident. Key findings include the last stop record indicating a mileage of 381,699.4 miles at the time of the incident, which occurred on November 14, 2004, at 10:39:49. The data shows a hard brake event occurring just seconds before the impact with a bridge, highlighting a deceleration of 13 mph/s while maintaining a speed of 41-46 mph. This analysis aims to provide insights into the vehicle's performance and circumstances before the accident.

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Vehicle Factors

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  1. Vehicle Factors Jennifer L. Morrison

  2. 2000 Prevost Motorcoach 12 ft 8 ½ ft 45 ½ ft

  3. Dashboard Placard

  4. DDEC IV Data • Detroit Diesel Electronic Control (DDEC) • Engine computer • Capable of recording vehicle events • Last Stop Record • 11/14/04 10:39:49, 381699.4 miles • Corresponds to accident time and mileage • Hard Brake #1 • 11/14/04 10:39:29, 381699.3 miles • Corresponds to accident time and mileage

  5. Brakes ON 5 seconds AFTER impact with bridge, 183 ft Impact with bridge 13 mph/s deceleration Maintaining 41-46 mph DDEC IV Data

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