[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR383.115]

[Page 896]
 
                        TITLE 49--TRANSPORTATION
 
        CHAPTER III--FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION,
                      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.