§ 383.115 Requirements for double/triple trailers endorsement.
Current wording, in the annual edition revised as of Oct. 1, 2011.
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, and yaw stability in steady turns;
(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; and
(e) Operating practices and procedures not otherwise specified.
[76 FR 26890, May 9, 2011]
Amendment history
2 distinct wordings on file since Oct. 1, 1996- [76 FR 26890, May 9, 2011]
- Oct. 1, 1996 → Oct. 1, 2011annual editions 1996–2010
A new entry appears whenever the regulatory words change between government snapshots. Day-precise from the eCFR (2017 onward); before that, one snapshot per annual CFR edition (revised as of October 1). Bracketed citations are the Federal Register history printed with the section.