Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:standard
|
| gptkbp:amendedBy |
multiple times since 1975
|
| gptkbp:appliesTo |
buses
trucks trailers |
| gptkbp:codifiedIn |
49 CFR 571.121
|
| gptkbp:enforcedBy |
gptkb:United_States
|
| gptkbp:established |
1975
|
| gptkbp:focusesOn |
brake system performance
|
| https://www.w3.org/2000/01/rdf-schema#label |
FMVSS 121
|
| gptkbp:issuedBy |
gptkb:National_Highway_Traffic_Safety_Administration
|
| gptkbp:partOf |
gptkb:Federal_Motor_Vehicle_Safety_Standards
|
| gptkbp:purpose |
to ensure safe braking performance for heavy vehicles
|
| gptkbp:regulates |
air brake systems
|
| gptkbp:requires |
parking brake system performance
service brake system performance emergency brake system performance |
| gptkbp:standardNumber |
121
|
| gptkbp:bfsParent |
gptkb:FMVSS_105
|
| gptkbp:bfsLayer |
7
|