105,313Records 71,083Employers 85,290Hospitalizations 27,770Amputations 2015-01-01 2025-10-31
Safety Incidents OSHA Severe Injury Reports · 2015–2025

OSHA Accident Investigation · Summary #14515597

HOLT TRUCKING CO

Event
SEVERED,ROTATING PARTS,CONSTRUCTION,ENGINE,EQUIPMENT FAILURE,STRUCK BY,FLYING OBJECT,LEG
NAICS
000000
Inspection type
Accident-driven
Activity number
#1233162
Employer profile
HOLT TRUCKING CO
Summary number
14515597
Report ID
420600

Event description

Employee killed when struck by disintegrating flywheel

Investigation abstract

At approximately 11:30 a.m. on May 22, 1984, Employee #1 was working with an eng ineer on an experimental engine that consisted of a diesel engine, a flywheel, a nd a generator. The diesel engine was used to drive the flywheel to a high rotat ional speed to provide energy for the generator. When the flywheel slowed to a g iven rpm, the diesel engine would restart and speed it up again. The flywheel wa s rotating at an estimated 5,600 rpm when it disintegrated. Pieces of the flywhe el struck Employee #1, nearly severing his right leg at the hip and causing seve re bodily injuries. He was killed.

Victim

  1. #1 Fatality Age 40 M

    Nature of injury
    7
    Part of body
    14
    Event type
    1
    Source
    28
    Occupation code
    999
    Human factor
    1
    Environmental factor
    5
    Task assigned
    2

Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.