Orami01/Test3 · Datasets at Hugging Face

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H510 Automatic brake, insufficient (H001) -- see note after cause H599
H511 Automatic brake, excessive (H002)
H512 Automatic brake, failure to use split reduction (H003)
H513 Automatic brake, other improper use (H004)
H514 Failure to allow air brakes to fully release before proceeding (H005)
H515 Failure to properly cut-out brake valves on locomotives (H006)
H516 Failure to properly cut-in brake valves on locomotives (H007)
H517 Dynamic brake, insufficient (H009)
H518 Dynamic brake, excessive (H010)
H519 Dynamic brake, too rapid adjustment (H011)
H520 Dynamic brake, excessive axles (H012)
H521 Dynamic brake, other improper use (H013)
H522 Throttle (power), improper use (H014)
H523 Throttle (power), too rapid adjustment (H015)
APPENDIX C - Continued
Train Accident Appendix C - 9 Cause Codes
FRA Guide for Preparing Accident/Incident Reports
H524 Excessive horsepower (H016)
H525 Independent (engine) brake, improper use (except actuation) (H023)
H526 Failure to actuate off independent brake (H024)
H599 Other causes relating to train handling or makeup (Provide detailed description in narrative)
Note: The description of the causes for codes H510 through H526 were originally found in
subgroup “Brakes, Use of.” It has been decided that these causes are more
appropriate to the “Train Handling/Train Makeup” subgroup. Consequently, it
was necessary to assign new codes in order to maintain the coding convention and to
simplify grouping of causes by computer. The original code has been appended to
the description to aid in data conversion.
Speed

H601 Coupling speed excessive
H602 Switching movement, excessive speed
H603 Train on main track inside yard limits, excessive speed
H604 Train outside yard limits, in block signal or interlocking territory, excessive speed
H605 Failure to comply with restricted speed in connection with the restrictive indication of a block or
interlocking signal.
H606 Train outside yard limits in nonblock territory, excessive speed
H607 Failure to comply with restricted speed or its equivalent not in connection with a block or interlocking
signal.
H699 Speed, other (Provide detailed description in narrative)
Switches, Use of

H701 Spring Switch not cleared before reversing
H702 Switch improperly lined
H703 Switch not latched or locked
H704 Switch previously run through
H705 Moveable point switch frog improperly lined
H706 Switch improperly lined, radio controlled
H707 Radio controlled switch not locked effectively (Human Error)
H799 Use of switches, other (Provide detailed description in narrative)
Cab Signals

H821 Automatic cab signal, failure to comply
H822 Automatic cab signal cut out
H823 Automatic train-stop device cut out
H824 Automatic train control device cut out
H899 Other causes relating to cab signals (provide detailed description in narrative)
Miscellaneous

H991 Tampering with safety/protective device(s)
H992 Operation of locomotive by uncertified/unqualified person
H993 Human Factor - track
APPENDIX C - Continued
Train Accident Appendix C - 10 Cause Codes
FRA Guide for Preparing Accident/Incident Reports
Example: Track is inspected and an FRA defect is found; however, the track supervisor decides to
delay repairs and does not slow order that location. A derailment occurs which is attributable to the
defective track condition.
Example: A railroad employee (or a contracted employee), while using a bulldozer to rerail cars,
caused damage to the rail on an adjacent main track. A train passing on this adjacent main track
derailed due to the damage caused by the bulldozer operated by the railroad employee (or an
employee contracted by the railroad).
H994 Human Factor - Signal installation or maintenance error (field)
Example: A signal maintainer was servicing the signal system. It was later determined during the
investigation of a rear-end collision that the signal maintainer made an installation/maintenance
error resulting in an incorrect aspect being displayed in the wayside signal or cab signal.
H99A Human Factor - Signal - Train Control - Installation or maintenance error (shop).
H99B Human Factor - Signal - Train Control - Operator Input On-board computer incorrect data entry.
H99C Human Factor - Signal - Train Control - Operator Input On-board computer incorrect data provided
H99D Computer system design error (non vendor)
H99E Computer system configuration/management error (non vendor)
H995 Human Factor - Motive power and equipment
Example: A car inspector observes an obvious thin flange wheel that normally requires the car to be
removed from service. However, because the train is ready to leave, he elects to leave in service. The
wheel splits the next switch point and the car derails.
H996 Oversized loads or Excess Height/Width cars, misrouted or switched.
H997 Motor car or other on-track equipment rules (other than main track authority) - Failure to Comply.
H999 Other train operation/human factors (Provide detailed description in narrative)

MISCELLANEOUS CAUSES NOT OTHERWISE LISTED
Environmental Conditions

M101 Snow, ice, mud, gravel, coal, sand, etc. on track
M102 Extreme environmental condition - TORNADO
M103 Extreme environmental condition - FLOOD
M104 Extreme environmental condition - DENSE FOG
M105 Extreme environmental condition - EXTREME WIND VELOCITY
M199 Other extreme environmental conditions (Provide detailed description in narrative)
Loading Procedures

M201 Load shifted

H510 Automatic brake, insufficient (H001) -- see note after cause H599

H511 Automatic brake, excessive (H002)

H512 Automatic brake, failure to use split reduction (H003)

H513 Automatic brake, other improper use (H004)

H514 Failure to allow air brakes to fully release before proceeding (H005)

H515 Failure to properly cut-out brake valves on locomotives (H006)

H516 Failure to properly cut-in brake valves on locomotives (H007)

H517 Dynamic brake, insufficient (H009)

H518 Dynamic brake, excessive (H010)

H519 Dynamic brake, too rapid adjustment (H011)

H520 Dynamic brake, excessive axles (H012)

H521 Dynamic brake, other improper use (H013)

H522 Throttle (power), improper use (H014)

H523 Throttle (power), too rapid adjustment (H015)

APPENDIX C - Continued

Train Accident Appendix C - 9 Cause Codes

FRA Guide for Preparing Accident/Incident Reports

H524 Excessive horsepower (H016)

H525 Independent (engine) brake, improper use (except actuation) (H023)

H526 Failure to actuate off independent brake (H024)

H599 Other causes relating to train handling or makeup (Provide detailed description in narrative)

Note: The description of the causes for codes H510 through H526 were originally found in

subgroup “Brakes, Use of.” It has been decided that these causes are more

appropriate to the “Train Handling/Train Makeup” subgroup. Consequently, it

was necessary to assign new codes in order to maintain the coding convention and to

simplify grouping of causes by computer. The original code has been appended to

the description to aid in data conversion.

Speed

H601 Coupling speed excessive

H602 Switching movement, excessive speed

H603 Train on main track inside yard limits, excessive speed

H604 Train outside yard limits, in block signal or interlocking territory, excessive speed

H605 Failure to comply with restricted speed in connection with the restrictive indication of a block or

interlocking signal.

H606 Train outside yard limits in nonblock territory, excessive speed

H607 Failure to comply with restricted speed or its equivalent not in connection with a block or interlocking

signal.

H699 Speed, other (Provide detailed description in narrative)

Switches, Use of

H701 Spring Switch not cleared before reversing

H702 Switch improperly lined

H703 Switch not latched or locked

H704 Switch previously run through

H705 Moveable point switch frog improperly lined

H706 Switch improperly lined, radio controlled

H707 Radio controlled switch not locked effectively (Human Error)

H799 Use of switches, other (Provide detailed description in narrative)

Cab Signals

H821 Automatic cab signal, failure to comply

H822 Automatic cab signal cut out

H823 Automatic train-stop device cut out

H824 Automatic train control device cut out

H899 Other causes relating to cab signals (provide detailed description in narrative)

Miscellaneous

H991 Tampering with safety/protective device(s)

H992 Operation of locomotive by uncertified/unqualified person

H993 Human Factor - track

APPENDIX C - Continued

Train Accident Appendix C - 10 Cause Codes

FRA Guide for Preparing Accident/Incident Reports

Example: Track is inspected and an FRA defect is found; however, the track supervisor decides to

delay repairs and does not slow order that location. A derailment occurs which is attributable to the

defective track condition.

Example: A railroad employee (or a contracted employee), while using a bulldozer to rerail cars,

caused damage to the rail on an adjacent main track. A train passing on this adjacent main track

derailed due to the damage caused by the bulldozer operated by the railroad employee (or an

employee contracted by the railroad).

H994 Human Factor - Signal installation or maintenance error (field)

Example: A signal maintainer was servicing the signal system. It was later determined during the

investigation of a rear-end collision that the signal maintainer made an installation/maintenance

error resulting in an incorrect aspect being displayed in the wayside signal or cab signal.

H99A Human Factor - Signal - Train Control - Installation or maintenance error (shop).

H99B Human Factor - Signal - Train Control - Operator Input On-board computer incorrect data entry.

H99C Human Factor - Signal - Train Control - Operator Input On-board computer incorrect data provided

H99D Computer system design error (non vendor)

H99E Computer system configuration/management error (non vendor)

H995 Human Factor - Motive power and equipment

Example: A car inspector observes an obvious thin flange wheel that normally requires the car to be

removed from service. However, because the train is ready to leave, he elects to leave in service. The

wheel splits the next switch point and the car derails.

H996 Oversized loads or Excess Height/Width cars, misrouted or switched.

H997 Motor car or other on-track equipment rules (other than main track authority) - Failure to Comply.

H999 Other train operation/human factors (Provide detailed description in narrative)

MISCELLANEOUS CAUSES NOT OTHERWISE LISTED

Environmental Conditions

M101 Snow, ice, mud, gravel, coal, sand, etc. on track

M102 Extreme environmental condition - TORNADO

M103 Extreme environmental condition - FLOOD

M104 Extreme environmental condition - DENSE FOG

M105 Extreme environmental condition - EXTREME WIND VELOCITY

M199 Other extreme environmental conditions (Provide detailed description in narrative)

Loading Procedures

M201 Load shifted