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Code of Federal Regulations (Last Updated: May 6, 2024) |
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Title 49 - Transportation |
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Subtitle B - Other Regulations Relating to Transportation |
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Chapter V - National Highway Traffic Safety Administration, Department of Transportation |
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Part 563 - Event Data Recorders |
§ 563.7 - Data elements.
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§ 563.7 Data elements.
(a) Data elements required for all vehicles. Each vehicle equipped with an EDR must record all of the data elements listed in Table I, during the interval/time and at the sample rate specified in that table.
Table I - Data Elements Required for All Vehicles Equipped With an EDR
Data element Recording interval/time1
(relative to time zero)Data sample rate
(samples per second)Delta-V, longitudinal 0 to 250 ms or 0 to End of Event Time plus 30 ms, whichever is shorter 100 Maximum delta-V, longitudinal 0-300 ms or 0 to End of Event Time plus 30 ms, whichever is shorter N/A Time, maximum delta-V 0-300 ms or 0 to End of Event Time plus 30 ms, whichever is shorter N/A Speed, vehicle indicated −5.0 to 0 sec 2 Engine throttle, % full (or accelerator pedal, % full) −5.0 to 0 sec 2 Service brake, on/off −5.0 to 0 sec 2 Ignition cycle, crash −1.0 sec N/A Ignition cycle, download At time of download3 N/A Safety belt status, driver −1.0 sec N/A Frontal air bag warning lamp, on/off2 −1.0 sec N/A Frontal air bag deployment, time to deploy, in the case of a single stage air bag, or time to first stage deployment, in the case of a multi-stage air bag, driver Event N/A Frontal air bag deployment, time to deploy, in the case of a single stage air bag, or time to first stage deployment, in the case of a multi-stage air bag, right front passenger Event N/A Multi-event, number of event Event N/A Time from event 1 to 2 As needed N/A Complete file recorded (yes, no) Following other data N/A (b) Data elements required for vehicles under specified conditions. Each vehicle equipped with an EDR must record each of the data elements listed in column 1 of Table II for which the vehicle meets the condition specified in column 2 of that table, during the interval/time and at the sample rate specified in that table.
Table II - Data Elements Required for Vehicles Under Specified Minimum Conditions
Data element name Condition for
requirementRecording interval/time1
(relative to time zero)Data sample rate (per second) Lateral acceleration If recorded2 N/A N/A Longitudinal acceleration If recorded N/A N/A Normal acceleration If recorded N/A N/A Delta-V, lateral If recorded 0-250 ms or 0 to End of Event Time plus 30 ms, whichever is shorter 100 Maximum delta-V, lateral If recorded 0-300 ms or 0 to End of Event Time plus 30 ms, whichever is shorter N/A Time maximum delta-V, lateral If recorded 0-300 ms or 0 to End of Event Time plus 30 ms, whichever is shorter N/A Time for maximum delta-V, resultant If recorded 0-300 ms or 0 to End of Event Time plus 30 ms, whichever is shorter N/A Engine rpm If recorded −5.0 to 0 sec 2 Vehicle roll angle If recorded −1.0 up to 5.0 sec3 10 ABS activity (engaged, non-engaged) If recorded −5.0 to 0 sec 2 Stability control (on, off, or engaged) If recorded −5.0 to 0 sec 2 Steering input If recorded −5.0 to 0 sec 2 Safety belt status, right front passenger (buckled, not buckled) If recorded −1.0 sec N/A Frontal air bag suppression switch status, right front passenger (on, off, or auto) If recorded −1.0 sec N/A Frontal air bag deployment, time to nth stage, driver4 If equipped with a driver's frontal air bag with a multi-stage inflator Event N/A Frontal air bag deployment, time to nth stage, right front passenger4 If equipped with a right front passenger's frontal air bag with a multi-stage inflator Event N/A Frontal air bag deployment, nth stage disposal, driver, Y/N (whether the nth stage deployment was for occupant restraint or propellant disposal purposes) If recorded Event N/A Frontal air bag deployment, nth stage disposal, right front passenger, Y/N (whether the nth stage deployment was for occupant restraint or propellant disposal purposes) If recorded Event N/A Side air bag deployment, time to deploy, driver If recorded Event N/A Side air bag deployment, time to deploy, right front passenger If recorded Event N/A Side curtain/tube air bag deployment, time to deploy, driver side If recorded Event N/A Side curtain/tube air bag deployment, time to deploy, right side If recorded Event N/A Pretensioner deployment, time to fire, driver If recorded Event N/A Pretensioner deployment, time to fire, right front passenger If recorded Event N/A Seat track position switch, foremost, status, driver If recorded −1.0 sec N/A Seat track position switch, foremost, status, right front passenger If recorded −1.0 sec N/A Occupant size classification, driver If recorded −1.0 sec N/A Occupant size classification, right front passenger If recorded −1.0 sec N/A Occupant position classification, driver If recorded −1.0 sec N/A Occupant position classification, right front passenger If recorded −1.0 sec N/A [73 FR 2181, Jan. 14, 2008, 73 FR 8408, Feb. 13, 2008, as amended at 76 FR 47486, Aug. 5, 2011]