[Code of Federal Regulations]

[Title 49, Volume 5]

[Revised as of October 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 49CFR383.115]



[Page 199]

 

                        TITLE 49--TRANSPORTATION

 

                      DEPARTMENT OF TRANSPORTATION

 

PART 383_COMMERCIAL DRIVER'S LICENSE STANDARDS; REQUIREMENTS AND 

PENALTIES--Table of Contents

 

                 Subpart G_Required Knowledge and Skills

 

Sec. 383.115  Requirements for double/triple trailers endorsement.



    In order to obtain a Double/Triple Trailers endorsement each 

applicant must have knowledge covering:

    (a) Procedures for assembly and hookup of the units;

    (b) Proper placement of heaviest trailer;

    (c) Handling and stability characteristics including off-tracking, 

response to steering, sensory feedback, braking, oscillatory sway, 

rollover in steady turns, yaw stability in steady turns; and

    (d) Potential problems in traffic operations, including problems the 

motor vehicle creates for other motorists due to slower speeds on steep 

grades, longer passing times, possibility for blocking entry of other 

motor vehicles on freeways, splash and spray impacts, aerodynamic 

buffeting, view blockages, and lateral placement.